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  • Offer Profile
  • A pioneer in the production of Switchgear, E. Dold & Söhne KG is one of the leading European manufacturers and is certified to ISO 9001.
    The precision manufacture of Dold products is in keeping with the best of Black Forest traditions. This private owned company has been producing relay products for some 80 years and is currently managed by the third generation of the Dold family. Dold currently employs over 400 employees, many of them have been with the company for more than two decades and freely associate themselves with Dolds quality driven policies. This creates a depth of knowlege that comprises of something far greater than the often-used buzz word ”Know how”.
Product Portfolio
  • Relay Modules

  • The electrical safety is more and more important when using electronical switching modules. Dold offers the most suitable solution for your application.

    Wherever people, machines and products must be protected against injury or damage and productivity increased, DOLD relay modules and interlocks have been successfully deployed worldwide for many decades. In addition to a variety of devices with standard functions, DOLD can fall back on many years of experience in developing tailor made and economic problem solving solutions.
      • Safety technology

      • Innovation solutions for every function

        Safety technology is an essential product group of the business area of switching devices at DOLD. What began decades ago with the development of a two-hand switch relay has been decisively continued in the last 20 years and expanded into a universal device programme. Today, safety switching devices from DOLD monitor various safety functions such as emergency stop, two-hand switching, safety mat, safety door, light barrier and more.
          • Safety relays

          • The suitable solution for every challenge

            Safety switching devices from the DOLD SAFEMASTER family monitor various safety functions such as emergency stop, two-hand switching, safety mat, light barrier and more. From the monofunctional safety switching devices to the multifunctional modular safety system with field bus connection, all products serve a single purpose: the uncompromising protection of people and machinery. Manufacturers and operators of machines and systems are faced with the challenge of developing and/or operating safety-oriented switching devices that must meet numerous regulations. DOLD supports you with sample-tested modules you can use to realise function- and cost-optimal solutions.

          • Extension / delay time / interface modules

          • Multipled contacts, specific shut-down or switching of functions

            Expansion, delay and coupling modules from DOLD allow for cost-effective contact multiplication as well as for the specific shut-down or switching of functions.

          • Standstill / speed monitoring

          • SAFEMASTER S - Safe and comfortable standstill and speed monitoring

            In accordance with the new machinery directive, the operating condition of a drive must be safely monitored and maintained during its shut-down. Typical applications are the release of locking mechanisms after the standstill of dangerous movements has been detected as well as work with open safety devices and reduced speed during calibration of the machine. The new speed monitors of the SAFEMASTER S series detect and signal the standstill and overspeed of machines and systems in automatic as well as set up operation. Its safely integrated safety door monitoring additionally provides a higher productivity and a higher degree of safety for the operating personnel.
          • Multifunctional safety solutions

          • Multifunctional safety solutions save space and costs

            Alongside a multitude of monofunctional safety switching devices, DOLD also offer high-performance multifunctional safety switching devices and systems. In doing so, DOLD integrates increasing functionality with constantly sinking space requirements. The multifunctional safety switching devices offer you optimal solutions for many areas of use in machinery and system construction. SAFEMASTER C, which is configurable without additional hardware, is one option here just like the modular safety system SAFEMASTER M, which allows you a cost-effective and software-free adjustment of the safety functions to the respective task. With SAFEMASTER PRO, you receive a safety system that you can tailor to the application using variable expansion modules.
             

          • Wireless Safety System

          • SAFEMASTER W - Maximum mobility and flexibility with the highest degree of safety

            The Wireless Safety System from DOLD in the SAFEMASTER W family allows the safe operation and shut-down of systems with hazardous areas, such as in automatic operation (e.g. troubleshooting, lubrication, calibration work) or in set up operation (e.g. putting into service, machine settings, maintenance). The high availability of your machines and systems is only one of many advantages of this solution. The Wireless Safety wins points with its wear- and maintenance-free radio technology, the flexible and mobile use and a high degree of user-friendliness.

          • Wireless Safety System

          • The special devices from DOLD include emergency stop monitors as well as buttons and magnetically coded safety switches.

            Special devices from DOLD include emergency stop monitors for the fast localisation of actuated emergency stop buttons, emergency stop devices and magnetically coded safety switches. The DOLD emergency stop monitors help to quickly and easily located actuated emergency stop buttons. This can significantly reduce the standstill times of machines and systems. Emergency stop devices from DOLD deactivate machines and/or place them in standstill. This thus reduces dangers to persons or damage to machinery as well as the manufactured products. With the coded magnetic switches from DOLD, the position of movable, rotatable or removable safety doors is monitored. The contactless devices can also be used for doors that are difficult to move or that are imprecisely positioned.
        • Monitoring devices

        • Custom- made monitoring solutions- from standard modules for monitoring single measuring sizes over multifunction devices up to flexible fault indicator systems.

          Monitoring hardware is one of the most important and wide-ranging specialties of DOLD’s relay module programme. It is subdivided in 3 partial areas: insulation monitors, measuring relays and fault annunciators. Our products from this subject area are used to detect and signal in good time critical off-limit conditions of electrical quantities such as current, voltage, power, insulation resistance, etc. and help to avoid dangers to man and machine. Moreover, these products help to improve the availability of your machines and systems by minimizing downtimes.
            • Residual current monitors

            • VARIMETER RCM - Reliably detect residual currents

              Unplanned interruptions of the operation of machines and systems are a significant cost factor. Insulation errors are a frequent cause for this. In grounded networks (TN networks), DOLD difference current sensors ensure reliable residual current monitoring. Expensive standstill time is avoided by this and, in addition, a possible risk of fire that latently exists by a gradual insulation error is also prevented. The difference current sensors are universally deployable as they can detect both direct and alternating current.
            • Insulation monitors

            • VARIMETER IMD - Convincing solutions for insulation monitoring

              Unplanned standstills of machines and systems as a result of insulation errors can have serious consequences. By detecting such errors in ungrounded networks (IT networks) early on, DOLD insulation monitors prevent outages of electrical systems and thus guarantee higher operating and system security. The system operator is informed early on about pending critical operating conditions and people and machinery are protected by the insulation monitoring. The functionality of DOLD insulation monitoring devices has been intentionally designed simply. You profit twice over from this: through high user-friendliness as well as cost savings.
            • Equipment for insulation fault location

            • VARIMETER EDS - Precise error localisation during ongoing operation

              In complex industrial systems, the localisation of insulation errors can be expensive and time-consuming. The insulation error search system from DOLD allows an automatic and fast localisation of faulty electrical circuits in complexly insulated AC/DC networks (IT systems) and this increases reliability and system availability. Thanks to the low maintenance costs and the avoidance of interruptions in operation, the investment costs for the DOLD insulation error search system are amortised quickly.
            • Measuring relays / Monitoring relays

            • Maximum functionality for your application

              DOLD offers custom solutions for the monitoring of electrical variables such as current, voltage, power, resistance, et cetera. The measuring relays report error conditions and thus offer increased protection even for complex systems as well a ensure an optimal production process. LEDs on the front of the device provide you with optimal information about the current condition. We can provide you with both mono-functional and multifunctional relays with which you can realise your solutions with minimal costs or maximum flexibility and functionality.

            • Fault annunciators

            • Interference suppressor systems for systems and buildings

              DOLD interference suppressors of the INFOMASTER family use lamps, signals or text notifications to inform about interferences and the conditions of electrical systems in industrial settings and buildings. In addition, they are also used to define maintenance intervals for preventive maintenance. Especially in the event of interferences in complex machine and systems, they can decisively reduce the length of the search for interferences. This minimises standstill times of the production system and helps to save on costs. The compact DOLD interference suppressor ensures a cost-efficient monitoring of small machines without SPS, such as compressors. Thanks to it modular construction, it can grow with the system through expansions.
          • Power electronics

          • High-performance and flexible device solutions for demanding drive tasks

            Demanding drive tasks call for high-performance and flexible device solutions. Power electronics from DOLD contain a wide range of product offers consisting of semiconductor contactors, soft start/brake devices as well as reversing contactors, speed controllers as well as multifunctional motor control devices. The products play a large role in part in modern motor control systems.
              • Solid state relays / contactors

              • POWERSWITCH - Wear-free, noiseless switching

                Solid state contactors and relays from DOLD are the first choice everywhere that high switching frequencies and cycles in the industry are needed. They conduct switching and control tasks especially efficiently in numerous applications in industrial and building technology. Their long service life due to wear-free switching is the reason for this. DOLD also has an innovative answer to the problem caused by switching with high load currents, the severe heating of solid state contactors and relays: the use of DCB processes (Direct Copper Bonding) optimises the heat dissipation in the power stage of the device and thus ensure the operational security of your system. Solid state conductors are also used in other applications such as heating, lighting, et cetera.
              • Reversing contactors

              • POWERSWITCH - High functionality in the smallest space

                DOLD reversing contactors of the POWERSWITCH series are used to change the direction of rotation in alternating current motors, start them gently and/or to monitor their load. Various diagnostic functions inform you constantly about the operating condition of the motor. The DOLD reversing contactors save space and have few wires as all functions are combined in a single housing. Costs can also be saved as an alternative to a frequency converter. The devices are universally usable, e.g. for extruders, pumps, actuators or conveyors.
              • Softstarters

              • MINISTART - Intelligent, flexible and high-performance!

                DOLD soft start devices of the MINISTART family ensure that your machines start up gently and smoothly and/or minimise a wide variety of problems such as mechanical wear during the direct start of drives, the tipping or sliding of loads on transport belts, pressure surges in the lines of pump systems and much more. They reduce the wear on and increase the service life of your motors and mechanical drive components. DOLD soft start devices offer additional advantages as a simple and space-saving installation, provide flexible configuration options and relieve the supplying grid through reduced starting current.
              • Motor brake relays

              • MINISTOP - High-performance and flexible device solutions

                The factors of safety and efficiency are an important argument for the motor braking devices of DOLD. The wear- and maintenance-free devices can be easily installed, even in existing systems. The configurable braking current allows an optimal adjustment to machines and systems. Asynchronous motors up to 160 kW are reliably braked with the DOLD braking devices of the MINISTOP series. This allows your machine to be brought to a standstill in only ten seconds in accordance with the EU Machinery Directive and European standards.
              • Speed controller

              • Simple speed controlling of fans and pumps

                The speed controllers from DOLD especially serve the simple speed controlling of pumps and fans to adjust the load on the drive machine. In comparison to frequency converters, they provide with substantially few EMC problems because no shielded wires are necessary. Possible applications are the speed controlling of exhaust fans for large kitchens.
              • Multifunctional motor control unit

              • MINISTART - Intelligent motor starter with motor protection function

                The multifunctional motor control devices from DOLD in the MINISTART family offer a combination of functions for motor control such as revering or soft start with monitoring functions such as the effective power or current monitoring. The ready-to-use devices with optimised parameters such as heat sink size, EMC, heat dissipation, et cetera are easy to use. Benefits such as low material costs, fast device connection and reduced space and wiring needs are on the plus side of these intelligent devices. In addition, they often prevent the need for a frequency converter.
            • Control devices

            • Control technology for all requirements

              DOLD is a pioneer in the field of control technology and present the first SPS in a standard housing in the automobile and tool machine industry in 1978. Benefit from this experience. DOLD offers you a universal portfolio of safe, efficient solutions for control technology that is tailored to your needs. A comprehensive palette of field bus-capable input and output modules are available for you.
                • Latching / interface / switching relays

                • Links between logic and load

                  The DOLD toggle, coupling and switch relays are the first choice for all interface applications in demanding control systems. They connect the highly sensitive logic level of the SPS, a shelf system or process computer with the raw operation of the power levels of a machine. Installation and maintenance of the relays can be conducted in a time-saving manner with the snap-on plug-in sockets on the top-hat rail. Your additional benefit: They are not sensitive to overcurrent and/or overloads and are significantly less expensive that semiconductors with medium to low switching frequency.
                • Power supply units

                • Switch power supply units with a wide voltage range

                  DOLD switch power supply unit and/or switch mode power supply units have diverse uses thanks to a wide voltage range. Their task is to convert unstable input voltage into a constant output voltage. They save space in the control cabinet thanks to their compact construction. They are in accordance with the standard IEC/EN 60950 and EN 61558, are highly effective and feature a short circuit and overload protection.
                • Programmable logic controllers

                • Flexible applications for safety and automation simply realised

                  The increasing complexity of control technology in machines and systems as well as strong trend towards decentralisation result in an increased communication need between control technology and peripheral equipment in machine and system control. The field bus-capable SPS from DOLD is available with a comprehensive palette of field bus-capable input and output modules with which flexibly applications for safety and automation can be simply realised. The input and output modules (I/O modules) represent peripheral components of an SPS in the bus system. Both analogue and digital DOLD bus modules are available for the field bus system CANopen.
                   

                • I/O Modules

                • Flexible applications for safety and automation simply realised

                  The increasing complexity of control technology in machines and systems as well as strong trend towards decentralisation result in an increased communication need between control technology and peripheral equipment in machine and system control. The field bus-capable SPS from DOLD is available with a comprehensive palette of field bus-capable input and output modules with which flexibly applications for safety and automation can be simply realised. The input and output modules (I/O modules) represent peripheral components of an SPS in the bus system. Both analogue and digital DOLD bus modules are available for the field bus system CANopen.
                   

              • Timers

              • Safe relays for applications with high demands

                DOLD has been a renowned, innovative manufacturer in the field of timer technology for decades that has continued to set standards with its developments. Time relays, that is, relays with specific time response, help you to cost-effectively realised start-up and shut-down delays in industry and building technology. The timer technology from DOLD includes both electro-mechanical and electro-pneumatic time relays as well as electronic devices on the basis of modern microprocessor technology.
                  • Multifunction relays

                  • Universally usable - maximum function in minimum width

                    Multifunctional relays are universally usable thanks to the selection of the corresponding function. They also belong to the group of time relays with which you can cost-effectively realised specific time functions. A multifunctional relay can be used as a flasher relay, clock, impulse former, start-up and/or shut-down relay as well as contact and recurrence delay. You can simply set the respective function on the device.
                  • Flasher

                  • Control of malfunction notifications and position lights

                    DOLD flasher relays are used on cranes, wind power systems as well as airfield lighting where they control position lighting. The control of malfunction notifications on machines, lighting, fans, et cetera is an additional task of these devices. Impulse time and pause time are identical with flasher relays.
                  • Cycling timers

                  • Impulse and pause times configurable independent from each other

                    Clocks from DOLD are important components of traffic light control systems, automatic ovens, et cetera. They have the same function as flasher relays with the difference that the impulse and pause times for time-dependent control systems are different from each other and can thus be set separately.
                  • Fleeting action relays

                  • Input and output wiping relays for time-dependent control systems

                    Machines and systems such as dosing systems and rinsing systems are where wiping relays are used. DOLD wiping relays are available as both input as well as output wiping relays. While the input wiping relays immediately switch the operating voltage to the work position after installation, output wiping relays are placed over the voltage control contact on the control input. If this is open, the relay immediately switches to the work position. Both relay types switch back to resting position immediately after the expiration of the set wiping time.
                  • Timers on delayed

                  • Time relays with contact delay for forward switching

                    With contact delayed time relays, the start is triggered by the activation of the operating voltage. The relay switches to the work position after the expiration of the configured delay time. Contact delayed time relays from DOLD are used for forward switching, e.g. pre-heating, or for delay times in switching systems such as for the delayed activation of system parts in burner controls, escalators and elevators.
                  • Timers off delayed

                  • Time relays with recurrence delay for forward switching

                    For time relays with recurrence delay, we distinguish between devices with and without auxiliary voltage. While devices without auxiliary voltage are only realisable for short times, those with auxiliary voltage are also suitable for longer periods of time. Repress delayed time relays from DOLD are used for follow-on switching (e.g. fans), lighting control systems (e.g. stairwell lighting) or for the delayed switching to an emergency power generator and/or an emergency lighting system.
                • Installation electronics

                • Innovative installation devices so that you aren't left standing in the dark

                  DOLD offers you a wide palette of products for installation technology. These basic devices for modern building automation ensure that you aren't left standing in the dark or ensure that energy is reasonably saved over the scope of the lighting controls. Alongside timers and remote switches, energy-saving switches and load shedding relays, additional installation devices, such as Venetian blinds switches, network relays or the innovative hybrid switch relays round out the coordinated DOLD programme of installation devices.

                    • Time switches

                    • Timer for saving energy and costs

                      With DOLD timers, you can save energy and costs by avoiding unnecessarily long activation times for lighting and other electricity consumers. The usage spectrum for timers is vast and ranges from stairwell and hallway lighting to courtyard lighting to follow-on controls for bathroom ventilation fans. Additional cost benefits from space savings result from the compact construction of the device. The continuous lighting function ensure that lighting is not interrupted during longer activities.
                    • Remote control switches

                    • Switch lighting on and off from any number of locations

                      In large office buildings, factories, hospitals, schools, public buildings, et cetera, one often has to individual turn different lamp groups on or off. At the same time, it should be possible to turn all lamps on in the morning or off at night with a central control command, possibly only by authorised personnel. You can realise central and group switching very easily with remote switches from DOLD. You can connect any number of unlit push buttons to a remote switch. The distances between the push buttons and the remote switch barely plays a role.
                    • Specific installation devices

                    • Special installation devices for building technology

                      This product group from DOLD includes the energy-saving switch, the hybrid switch relay and the network relay. You can save energy and costs with the energy-saving switch which is a combination of a timer and remote switch. With it, you can turn off the lighting in a controlled manner before the expiration of the time configured. Alongside lighting, it also makes sense for fans, dryers and other electricity consumers that seldom have to be immediately turned back on after being used. The hybrid switch relay is used in heating, ventilation, air conditioning and lighting technology for the switching of strongly inductive and/or capacitive loads such as energy-saving lamps. Electro-smog can be avoided with DOLD net relays. They are used to deactivate the power supply of electrical circuits in bedroom or other rooms sensitive to electro-smog.
                  • Printed Circuit Board relays

                  • The comprehensive product portfolio encompasses miniature relays, PCB relays and safety relays with forcibly guided contacts.

                    DOLD is one of the leading manufacturers in the field of PCB relays and offers suitable electro-mechanical relays for a multitude of application fields. The comprehensive product portfolio encompasses miniature relays, PCB relays and safety relays with forcibly guided contacts. As a specialist in PCB relays, we stand for quality and reliability from a single source. In order to meet the highest quality requirements, we rely on high production depth, the most up-to-date manufacturing equipment and the combination of experience and knowledge. Our PCB relays are available in a great variety of different contact variants and construction forms and guarantee the highest switching safety with minimal dimensions.

                      • Safety relays with forcibly guided contacts

                      • Energy efficiency and safety for your applications

                        In the machine- and plantbuilding sector the safety becomes more and more important. Everywhere, safety modules and also safety control systems are used. Despite the increasing use of semiconductor relays, the electromechanical relays are still an important part. Safety relays, i.e. relays with mechanically forcibly guided contacts per DIN EN 61810-3, are used wherever people, machines and valuable goods must be protected from injury and damage. One such relay comprises at least one NC contact set and one NO contact set and is constructed such that the NC set and the NO set can never be closed at the same time. For example, if a NO contact fails when trying to open, the associated NC contact cannot close when the power supply is switched off.
                      • PCB relays

                      • PCB relays, also known as plug-in/print relays, are used for galvanic separation of circuits as well as for signal adaptation and signal strengthening. Our vertical and horizontal designs enable optimum adaptation to your application. DOLD PCB relays, with max. continuous currents up to 16 A, are available with one or two contacts, in different installation heights and with different contact materials.
                      • Miniature relays

                      • Highest switching safety on smallest space

                        If it is necessary to switch heavy currents reliably in a small space and galvanic separation of control and load circuits is also required, there is no better answer than the compact miniature power relays available in SMD (Surface Mount Device) form and in DIL (Dual In-Line) form. With the smallest of dimensions, at around 20 mm long and 10 mm wide, they can be inserted into conventional 16-pole ICsockets.
                      • Bistable relays

                        • Power miniature relay OB 5690
                        • Printed circuit board relay, bistable OB 5693
                        • Printed circuit board relay, bistable OB 5694
                        • Bistable relay OB 5623
                    • Enclosures

                    • For each application the suitable enclosure solution

                      DOLD offers a wide range of different enclosures for installation in control cabinets, consumer units and industrial distribution boards. Therefore finding an enclosure solution to meet the demands of various applications is always possible. Do you prefer to use an electronics enclosure which has been designed exclusively for your special applications? DOLD develops and manufactures customer-specific tailor made electronics enclosures and can also provide you with the matching terminals.

                        • Switch cabinet enclosures

                        • You are looking for an universal enclosure solution for your electronic? We offer the suitable enclosure for your application. Dold now offers 7 different Series for installation in industrial cabinets / distribution boards which means that, no matter what the application, there is always an enclosure for the job. All these Series provide several width sizes, screw-terminals or plug-in terminals, different colours and customised options.
                            • Enclosure Series KS 4400

                            • More space for your ideas

                              Modern electronics demands innovative enclosure solutions. From design, through production to final supply, the KS 4400 Series is an ideal platform for numerous applications from stand-alone devices to full system integration offering more decentralised distribution functions. This universal enclosure system, in modular widths from 6.2 mm to 90 mm and optional In-Rail-Bus assembly, provides the user with extensive design and assembly space. Its distinctive, aesthetically appealing design and high functionality, enable the realisation of your individual ideas.
                            • Enclosure Series KO 4300

                            • Space-saving and with selectable connection system

                              With their electronic enclosures of the compact range KO 4300, DOLD supports the trend towards miniaturisation - without any compromises in the connection convenience. Apart from conventional screw-type terminals, the enclosures can also be equipped with advanced spring-loaded terminals, for example. They considerably reduce the time required for the device connection. In addition to this, both designs are available with plug-type terminal blocks which provide additional advantages and savings potential. With such detachable terminal blocks the user not only benefits from an easier installation, but also from a faster device replacement with fixed wiring in the case of service. Also a pre-assembly without device is possible.
                            • Enclosure Series K 70

                            • Enclosure system with many widths proved in various applications

                              This consistent enclosure range allows for an especially fine graded adjustment to the size of the electronics. Thus, this enclosure system not only covers the common widths from 22.5 mm to 150 mm, but also provides intermediate sizes such as 32.5 mm or 55 mm. These enclosures are suitable for both DIN rail mounting and screw mounting.
                            • Enclosure Series KO 4030

                            • Dynamic enclosure system with detachable terminal blocks

                              The electronic enclosures of this variable system excel by their detachable terminal blocks. They are available in different designs while maintaining the same overall dimensions. You can choose from terminal blocks with plug-type box terminals in a variable quantity or with solderable heavy-duty terminals, for example. Because any combination of the different terminal blocks is possible, the enclosures can be easily tailored to specific applications.
                            • Enclosure Series KO 4000

                            • Versatile enclosure system with high modularity

                              Electronic enclosures of this very diverse range are available in a variety of sizes. From the 22.5 mm wide compact enclosure with 8 terminals up to the 200 mm wide large enclosure with up to 132 terminals. For devices that require more space, the 200 mm wide version can also be delivered with a height of 123 mm apart from the standard height of 73 mm.
                            • Enclosure Series KO 4070

                            • Innovative compact enclosures for space-saving devices

                              The electronic enclosures of this compact range are the perfect shell for space-saving devices. Available in widths from 12.5 mm to 28 mm, they provide up to 16 terminals. Guides inside the enclosure allow for a convenient accommodation of PCBs in up to three tiers. PCBs can be reliably connected on mechanically solderable double pins of the terminal blocks.
                            • Enclosure Series KO 4900

                            • Versatile enclosure series for individual requirements for advanced building automation

                              These enclosure ranges meet all the requirements for advanced building automation. Their design variety allows you to also solve individual requirements without any problems. The enclosure size can also be adjusted to specific applications by fine steps. Thus, the enclosure ranges cover all common widths from 8.8 mm to 140 mm. Apart from conventional captive screw-type terminals, cage clamps are also available for the device connection, which allows for a very efficient device installation. And if higher current intensities are possible, you can use heavy-duty terminals up to a rated current of 50 A. For the connection and communication with other devices and systems, a variety of connectors are, of course, also available such as bus connectors, KNX (EIB), RJ-45, etc. These enclosures are designed for both top-hat-rail mounting and screwtype mounting.
                          • Distribution enclosures

                          • Distribution enclosures with fine graded size adjustment and individual enclosure openings for your application

                            A part of Dold’s extensive enclosure range, is provided in two complete Series of distribution enclosures. Series KU 4000 requires a mounting depth of only 55 mm, with Series KU 4100 providing even more space for your electronics. Both the KU 4000 and KU 4100 Series offer enclosure widths from 17.5 mm to 140 mm, having up to 64 and 96 terminals respectively. In addition to various terminal options, there are several BUS-connections available.

                            This enclosure series fulfils all the requirements for the modern building automation system. With its variant diversity, also individual task assignments can be solved without problems. Also the enclosure size can be adapted gradually to the application. So the enclosure series covers all common mounting widths from 8.8 to 140 mm. For connecting the devices, along with the conventional, undetachable screw-type terminals, also cage tension-spring clamps for particularly economical installation of the devices are available. Also stronger currents can flow and high-voltage current pins of up to 50 A can be used. It goes without saying that for connecting and communication with other devices and systems also various connections can be realised such as, for example, BUS connections, KNX (EIB), RJ-45, etc. The enclosures are designed both for top-hat rail and screw attachment.

                            • In-Rail-Bus

                            • Smartest solution for a reliable and quick transmission of signals, data and energy

                              The IN-RAIL BUS system is based on a carrier section. It can be easily integrated in the 35 mm standard DIN rail and accommodates the BUS pcb that can be individually configured. With its high flexibility, this concept allows a variety of custom solutions. The In-Rail Bus replaces the costly individual wiring by an uninterruptible and flexible system solution. It is safely integrated in a standard 35 mm top-hat rail. Perfectly fitting carrier sections allow the use of standard rails with a height of 7.5 mm or 15 mm.
                                • Safety switch, Guard lock, Key transfer

                                • Safety switch, solenoid guard lock, trapped key interlock and command function in one system

                                  Safety with System. The special thing about SAFEMASTER STS is the system concept and the simple design which allows any conceivable variant, from the smallest standard solution to a complex safety system. Any solution remains flexible, unique and economical thanks to the modular design principle.
                                    • Safety switch

                                    • Electromechanical safety switches monitor accesses and safety gates

                                      SAFEMASTER STS series safety switches reliably secure access and protective doors and hatches, and are suitable for safety applications up to Cat. 4 / PL e in accordance with EN ISO 13849-1 without fault exclusion. They are suited for applications requiring a high level of security. The very narrow design also allows them to be installed on movable safety guards.
                                       
                                    • Guard lock

                                    • Electromechanical solenoid locking units prevent the opening of access or safety gates

                                      Guard locks in the SAFEMASTER STS family combine our trusted mechanical principle with the advantages of electromechanical safety switches with a 2-channel locking function. Thanks to their lock monitoring features, they can be used to reliably protect both processes and personnel. Different coding levels, very high locking forces, and comprehensive diagnostic capabilities allow them to be used in almost all safety-relevant applications.
                                    • Key transfer

                                    • The key transfer system combines the advantages of none wiring, mechanical safety with electrical safety

                                      The basic principle of the key transfer system ensures that a machine or system is in a safe state before an access can be made. A further safety aspect is that a key is inserted either in a safety switch or can be used for opening a door lock. This property can be used to force a certain operating sequence, which can not be deviated from. As a result, a high safety level is achieved and a large number of different danger areas can be ensured.

                                    • SAFEMASTER STS - Individual moduls

                                    • Flexibly, individually and perfectly adapted to your applications

                                      The modularity of the SAFEMASTER STS allows individual adaptions to the corresponding applications. By means of bayonet locks (see accessory) any number of units can be mounted of only a few basic modules. The function of the units are defined from the way and arrangement of the modules, whereby several unities form a system. The possible combinations of the composed unities determine the individual functions of the total system.

                                    • Command devices

                                    • The robust stainless steel option module expands the modular SAFEMASTER STS safety switch and key transfer system with variable command, indication, selection and emergency stop functions. This turns the system into a true "control centre" from where command functions, status displays, release signals, main and maintenance access points can be controlled. The option module is form-fitting and can be installed directly underneath safety switches or hold closed units thus enabling direct command execution at the access points for machines and systems. It can also be installed as a standalone command device. You too can benefit from the high degree of system flexibility.
                                    • Power Interlocking - switching off with safety!