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monitoring relay / security / DIN rail
monitoring relay

This safety monitor is intended for the smallest AS-i safety systems. With this safety monitor, the smallest safety applications can be implemented with AS-i, something which was previously unthinkable for cost reasons. The programming ...

switching relay / security / compact / DIN rail
switching relay
SCR series

Load current: 5 A
Load voltage: 24 V - 230 V

From safety relays to safety switches, the complete range of products needed for your application can be found at Bernstein. The SCR safety relays reliably evaluate signals including those created ...

electronic relay / monitoring
electronic relay
PMDsigma

PMDsigma is the new generation of electronic monitoring relays. They reduce the number of hazardous situations for man and machine and increase the service life of plant and machinery. Save costs and guarantee an efficient ...

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PILZ
electromechanical relay / monitoring / protection
electromechanical relay
PNOZ X

PNOZ X safety relays are proven through their reliability and robustness. You'll find them used over a wide area in the most diverse safety applications. Use one PNOZ X per safety function. Technical features are based ...

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PILZ
monitoring relay / protection / compact
monitoring relay
PNOZcompact

... terminals fixed on the safety relay can be wired without the need for tools. A block diagram with connection example is printed on the side of the safety relay and is a great help. Original PNOZ safety ...

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PILZ
electromechanical relay / monitoring / protection
electromechanical relay
PNOZelog

The innovative PNOZelog product range combines the experience of electromechanical safety relays with the advantages of modern electronics. With PNOZelog you can reliably monitor up to four safety functions. Wear-resistance, ...

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PILZ
switching relay / monitoring / protection / modular
switching relay
PNOZpower

Load current: 0 A - 16 A

Use the modular safety relay PNOZpower to monitor E-STOP, safety gates and light beam devices. With PNOZpower you can switch currents of up to 16 A AC/DC per contact. An overall breaking capacity of 40 A is available ...

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PILZ
electronic relay / security / DIN rail / for sensors
electronic relay
MSI-TRM

Load voltage: 24 V

MSI-TRM is a safety monitoring device for the evaluation of one-channel testable optoelectronic protective devices of type 4 acc. to EN IEC 61496. Up to six type 4 sensors can be connected to the device. Benefits Evaluation of up ...

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Leuze electronic GmbH + Co. KG
programmable relay / security / compact / configurable
programmable relay
MSI-EM series

Load current: 0.5 A
Load voltage: 24 V

The MSI-EM extension module expands the MSI 200 programmable Safety Controller with 8 safe inputs and 4 freely configurable channels. These may be either safe inputs or outputs (OSSDs). Advantages 4 freely configurable channels-either ...

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Leuze electronic GmbH + Co. KG
programmable relay / security / compact
programmable relay
MSI‑FB series

Load current: 0.5 A
Load voltage: 24 V

This is a fieldbus module for the MSI 100 and MSI 200 programmable Safety Controllers for connecting to PROFIBUS. Advantages Transfers diagnostic data (not safety-oriented) 4 additional inputs and 4 additional outputs for communication ...

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Leuze electronic GmbH + Co. KG
electromechanical relay / security / DIN rail
electromechanical relay
MSI-CM series

The MSI-CM Safety Relay is used as a contact extension module in accordance with DIN EN 60204‑1/VDE 0113 Part 1 for contact extension for E-Stop relays and two-hand control units. It also has five release ...

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Leuze electronic GmbH + Co. KG
electronic relay / security / DIN rail / configurable
electronic relay
MSI-DT series

LEUZE MSI-DT Series are designed and developed as safety relays with high-tech electronics that comprises their adjustable delay time that can be used for E-stop or protective-door monitoring. It is made according ...

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Leuze electronic GmbH + Co. KG
level relay / security / compact
level relay
RT, BT, JSB series

Load voltage: 24 V - 230 V

... safety relays designed to connect safety devices, such as emergency stops, directly in the voltage supply circuit to the relay. Despite a compact width of 22.5 mm the relays are very ...

electromechanical relay / power / switching / DIN rail
electromechanical relay

This unit uses a power relay that will manage signals and protect units from noise while also alarming the user when voltage changes happen. Honeywell makes these power relays to work for power switching ...

electromechanical relay / security / DIN rail / for machines
electromechanical relay
G1502S

Load voltage: 24 V

... particular protection relay works extremely well in many different approaches: This works tracking jobs in complete safety uses jointly with various electronic-sensitive protective equipment (ESPE). The particular protection ...

security relay / electromechanical / DIN rail / with semiconductor output
security relay
G1503S

Load current: 100 mA
Load voltage: 24 V

... multifunctional safety relays are certified to IEC 61508, ISO 13849-1, EN 574 type IIIC. There are several options for connection to the safety relay, for instance, when combined with different non-contact ...

programmable relay / power / fused / modular
programmable relay
CR0431, CP9006, CP9008, EC04xx series, EC211x series

Power management in mobile vehicles Modular mini controller with high-current relay outputs High-performance, protected relay outputs with diagnostic function Connection of sensors and actuators ...

electromechanical relay / security / plug-in
electromechanical relay
F-OK B 400 Enerdis

The F-OK B 400 is an instantaneous, electromagnetic, on-off relay with a 4 double cutout changeover contact in series. It is a high-performance rugged relay with easy assembly and is particularly suitable ...

solid-state relay / control / DIN rail
solid-state relay
25,45 A | THYRITOP 1 Pyrocontrole

These thyristor solid state relays are piloted directly by our STATOP temperature controllers. They are mounted on a DIN rail or at the back of a cabinet. # Two models: 25A or 45A current # Single-phase network, voltage ...

solid-state relay / control / DIN rail
solid-state relay
8 - 280 A | THYRITOP 20 Pyrocontrole

Thyristor solid state relays for switching resistive loads from 8A to 280A, in single-phase. Direct drive by our STATOP temperature controllers. DIN rail mounting (models 8, 16 and 30A) or in the back of a cabinet. # ...

electromechanical relay / control / DIN rail / galvanically-isolated
electromechanical relay
9172 series

IS Relay Module Series 9172 is specifically created for binary signal and control circuits. This widely known technology has naturally safe inputs or outputs {Ex 1a} IIC. This amazing piece of technology also has galvanic ...

electromechanical relay / power / control / for printed circuit boards
electromechanical relay
24 VDC | H-462

The Hengstler GmbH 402 safety relay with 4 to 6 contacts can handle a maximum 10A switching and constant current. It can operate at ambient temperatures from -25°C to 80°C with a drive available as DC monostable, DC ...

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HENGSTLER
electromechanical relay / power / switching / for printed circuit boards
electromechanical relay
12 VDC | H-463

The H-463 safety relays allows 4 contacts with a maximum 6 A switching and permanent current. It is ideal for applications needing a lot of switching actions on moderate switching loads. It has a monostable DC drive ...

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HENGSTLER
electromechanical relay / control / surface-mount / general purpose
electromechanical relay
36 VDC | H-464

The 464 relay comprises of around 8/10 contacts. It can withstand up to 10 Amps current and three variants available are load current controlled, DC monostable and DC bistable. Operable within the range of -25 to 80 ...

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HENGSTLER
electromechanical relay / control / for printed circuit boards
electromechanical relay
24 VDC | H-466

Including four, six, eight or ten contacts, this device offers a switching and constant current that can manage 10A and ambient temperatures from -25 to 80°C. DC monostable or DC bistable drives are also available and the device ...

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HENGSTLER
electromechanical relay / switching / for printed circuit boards
electromechanical relay
24 VDC | H-467

Safety relays help check and monitor safety systems and provides economical solutions for smaller machines. This Hengstler GmbH 467 safety relay has 4 contacts and can handle a maximum 6 A switching ...

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HENGSTLER
solid-state relay / power / switching / DIN rail
solid-state relay
E-SAFE® II

Load current: 35 A
Load voltage: 100 V - 240 V

Usage of mercury during relays has been removed by the implemented policies in the United States and even around the world. E-SAFE II hybrid is indeed a mercury-free product that gives dependable, exact and reliable ...

solid-state relay / control / compact / DIN rail
solid-state relay
CZR series

Load current: 18 A - 42 A
Load voltage: 24 V - 530 V

This SERIES CZR solid state relay is enabling a faster and much easier mounting process through the use of DIN-rail and the back panel installation standard on each and every controllers. At the same time, it gives a ...

solid-state relay / control / DIN rail / instrumentation
solid-state relay

Load current: 10 A - 75 A
Load voltage: 24 V - 660 V

... affordable Watlow solid state relays (SSR) provide customers with similar advantages to those offered by solid state power controllers. These machines feature a special fast cycle input card which enables a solid state ...

electromechanical relay / signaling / time delay / DIN rail
electromechanical relay
SRB 031MC

Load voltage: 24 V

Best with regard to signal assessment involving results of security magnetic fuses Drop-out hold off could be established around 0,4 until 1,5 s 3 security connections, STOP 1 1 Signalling yield Well suited for signal handling ...

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SCHMERSAL
solid-state relay / signaling / security / DIN rail
solid-state relay
SRB 219IT

Load current: 0 A - 0.2 A
Load voltage: 20.4 V - 28.8 V

The SCHMERSAL multi-functional safety relay module offers exceptional diagnostics and superior visualization. The module is appropriate for signal processes of potential free outputs such as solenoid interlocks or emergency ...

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SCHMERSAL
electromechanical relay / signaling / control / security
electromechanical relay
SRB 301AN

Load current: 0.1 A
Load voltage: 20.4 V - 28.8 V

This device is an SRB 301AN model and it comes from a series of general process safety controllers. It features one signalling output and three safety connections, and also has a STOP 0 mechanism. It is highly useful for evaluating ...

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SCHMERSAL
solid-state relay / signaling / security / DIN rail
solid-state relay
SRB 308IT

Load current: 0.1 A
Load voltage: 20.4 V - 253 V

Multifunctional safety relay module for superior diagnostics and visualisation Suitable for signal processing of potential-free outputs, e.g. emergency stop command devices, position switches and solenoid interlocks ...

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SCHMERSAL
electromechanical relay / security / monitoring / control
electromechanical relay
SRB 400C series

Load current: 0.2 A
Load voltage: 20.4 V - 28.8 V

The SRB 400C Series possesses two-function safety monitoring module (double evaluation). Level 1/emergency exit shut-down behavior opens both enabling paths while Level 2/guard door monitoring only opens the 2nd enabling path. It is ...

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SCHMERSAL
electromechanical relay / power / miniature / for contactor
electromechanical relay
K6/KC6 series

Load current: 3 A
Load voltage: 400 V

ABB mini contactors are compact and powerful contactors. They are ideally suited for applications where reliability is a must and space is at a premium. The dimensions, technical features and the variety of the assortment provide customers ...

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ABB
electromechanical relay / power / miniature / for railway applications
electromechanical relay
TKC6 series

Load current: 3 A
Load voltage: 12 V - 415 V

ABB mini contactors are compact and powerful contactors. They are ideally suited for applications where reliability is a must and space is at a premium. The dimensions, technical features and the variety of the assortment provide customers ...

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ABB
electromechanical relay / thermal protection / miniature
electromechanical relay
Txx series

Load current: 0.1 A - 96 A
Load voltage: 440 V - 690 V

... mini contactors. The thermal overload relays are three pole relays with bimetal tripping elements. The motor current flows through the bimetal tripping elements and heats them directly and indirectly. ...

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ABB
electronic relay / protection / timer / surface-mount
electronic relay
CM-KRN

Load current: 4 A
Load voltage: 220 V - 250 V

· 2 c/o (SPDT) contacts · Single-supply voltage range · ON-delay (0.05-30 s) adjustable via direct reading scale* · Setting and operation via front-face operating controls · LEDs for status indication · 45 mm wide enclosure · Integrated ...

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ABB
electronic relay / time delay / DIN rail
electronic relay
CM-WDS

CM-WDS is a cycle monitor with watchdog function. It observes if a regularly intermittent pulse is applied to its pulse input. Characteristics of CM-WDS cycle monitors · 1 c/o (SPDT) contact · Single-supply voltage range · 4 selectable ...

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ABB
electromechanical relay / protection / surge / voltage
electromechanical relay
Series 9079

Series 9079 Over-voltage protectors for applications up to 100 V DC, or 75 V AC based on varistor technology are available as single components.

pneumatic relay / control / plug-in
pneumatic relay
PR range

Rotork Fairchild pneumatic relays meet all the requirements of a precision device including accuracy, sensitivity and fast response.

electromechanical relay / voltage / current / trip
electromechanical relay
RTA421

Load voltage: 20 V - 250 V

... power supply contact is mainly for monitoring voltage signals. It has Loop power supply for connectors and sensors with 2 relays for efficient monitoring even with changeover contacts. Has 3 push buttons for font end ...

electromechanical relay / monitoring / security / control
electromechanical relay

A part of the Moeller® series, this device is an easySafety control relay. Both standard and safety functions can be found in this device. Indeed, these control relays have a great many safety features, ...

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Eaton
electromechanical relay / monitoring / security / control
electromechanical relay
ESR5

he Eaton ESR5 safety relay is used to monitor safety devices such as Emergency-Stop buttons, safety guards, light curtains and two-hand controls. ESR5 safety relay quickly switches off power to the machine ...

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Eaton
electromechanical relay / control / control / DIN rail
electromechanical relay
easy 500/700/800

The Control relay easyRelay Moeller® series that includes the easy500, easy700 and easy800 collectively works as one device with various functions. Combined, they complete a universal system with common programming software ...

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Eaton
electromechanical relay / phase sequence / monitoring / DIN rail
electromechanical relay
EMR4/EMR5

Load voltage: 160 V - 580 V

Measuring and monitoring relays are required for various applications in electrical switchgear technology. EMR4/EMR5 range measuring and monitoring relays cover a wide range of applications. All relays ...

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Eaton
electromechanical relay / DIN rail / for contactor
electromechanical relay
DIL A

A wide array of managing tasks can be perfectly implemented with the DIL A contractor relays and its respective system parts. It ideally accompanies the new engine contractors. It is obtainable in a basic unit with additional ...

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Eaton
electronic relay / time delay / DIN rail
electronic relay
0.1 s - 1 h, 8 A | TUR, TBR, TLR series

This multi-range timer features an LED status indicator. It can have either a mono-function or multi-function setup. It has a multi-voltage operation with either screw or spring terminals. An external power supply can be connected to ...

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CROUZET
electromechanical relay / time delay / DIN rail
electromechanical relay
0.1 s - 1 h, 10 A | OUR, PUR series

- Multi-function or mono-function - Multi-range - Multi-voltage - Relay output 1 or 2: 8 A - 250 V (10 A UL) - LED status indicator - Option of connecting an external power supply to the control input - 3-wire ...

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CROUZET
solid-state relay / time delay / DIN rail
solid-state relay
17.5 mm | Chronos 2

Relay or solid state output Multi-function or mono-function Multi-range Multi-voltage Screw or spring terminals LED status indicator (relay version) Option of connecting an external power supply ...

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CROUZET
electromechanical relay / time delay / DIN rail
electromechanical relay
0.1 s - 10 h, 5 A | RTMA series

... start-up process. Time ranges from 0.1 second to 10 hours. Displays best noise resistance. 2-4 changeover contacts embedded as relay output.a

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CROUZET
electromechanical relay / current / voltage / control
electromechanical relay
max. 10 A, 230 V | EI series

... passing a cable through the front AC current treshold adjustable from 1 to 20 A AC (30 Hz to 400 Hz) via button on front Relay output 5 A - 250 V AC - 1 N/O contact Multivoltage power supply : 100 to 230 V AC 50-60 ...

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CROUZET
electromechanical relay / protection / panel-mount / electrical line
electromechanical relay
1/3 x 19 in | 7SA84

All voltage levels are covered by the line protection system of this device, which comes with a 3-pole tripping system to ensure the best user experience and help you achieve the best results from your project. The overhead lines and ...

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SIEMENS Energy Management
electromechanical relay / protection / panel-mount / electrical line
electromechanical relay
1/3 x 19 - 2/1 x 19 in | 7SA86

Presenting a revolutionary new product. The SIEMENS 7SA86 - Distance Protection is a wonder of modern technology. It's key features are Line protection for all voltage levels with 3-pole tripping, Very short tripping time, Also used ...

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SIEMENS Energy Management
electromechanical relay / protection / panel-mount / electrical line
electromechanical relay
1/3 x 19 - 2/1 x 19 in | 7SA87

Line protection for all voltage levels and a short tripping time are among the features of this product. It can also be used in switchgear schemes as it comes complete with a breaker-and-a-half. This product also features cables with ...

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SIEMENS Energy Management
electromechanical relay / protection / panel-mount / differential
electromechanical relay
1/3 x 19 in | 7SD84

The 7SD84 - Differential Protection is a one of a kind product delivered by SIEMENS. It utilizes adaptive algorithm integrated with differential protection to achieve optimum stability and sensitivity. It is equipped with Auxiliary functions ...

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SIEMENS Energy Management
electromechanical relay / protection / panel-mount / differential
electromechanical relay
1/3 x 19 - 2/1 x 19 in | 7SD86

Line protection for all voltage levels with 3-pole tripping Phase-selective protection of overhead lines and cables with single multi-ended infeeds of all lengths with up to 6 line ends, it is also used in switch gear with breaker-and-a-half ...

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SIEMENS Energy Management
smart relay / latching / switching / bistable
smart relay
LEDEX-EM series

Load current: 100 A - 120 A
Load voltage: 230 V

... maximum electrical performance in a compact package. The compact relays use innovative technology for precise switching with low contact resistance and lowest recoil time. The separate relays offer the ...

smart relay / latching / switching / miniature
smart relay
LEDEX-BLP 200

Load current: 200 A
Load voltage: 240 V

... revolutionary new product. The Johnson Disconnect relays are top of the line creation. Assembled with state of the art parts and components. The Ledex-EM and Ledex-BLP products are bi-stable latching relays ...

protection relay / overload / motor / low-voltage
protection relay
193-T1 series

Load current: 0.1 A - 90 A
Load voltage: 0 V - 600 V

The 193-T1 Thermal Overload Relays are designed compatible for use with the Bulletin 100-C Contactors and Bulletin 104-C Reversing Contractors. It provides phase-loss protection with ambient temperature compensation. ...

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Allen Bradley
electronic relay / monitoring / protection / compact
electronic relay
825-P

Load current: 0.5 A - 5000 A
Load voltage: 24 V - 240 V

The Bulletin 825-P Modular Protection System provides a sturdy and modular look that allows configuration on the comprehensive and resistant functions of a certain apparatus in order to comply with its standards. The advanced design ...

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Allen Bradley
arc protection relay / FEEDER protection / motor control / motor
arc protection relay
857 series

Load voltage: 40 V - 265 V

... in one package. The protection relay provides diverse choices of control to take full advantage the motors output capabilities. It presents current, voltage and motor protection functions. The exclusive protection relay ...

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Allen Bradley
differential relay / FEEDER protection / motor / medium-voltage
differential relay
865 series

Load voltage: 40 V - 265 V

... utilities, industry, power plants in addition to offshore application. This astounding device is remarkably used by means of a relay configuration tool known as the SetPointPS software package.

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Allen Bradley
under/over-current relay / monitoring / SPDT / motor control
under/over-current relay
809S

Load current: 1 A - 10 A
Load voltage: 24 V - 230 V

The Bulletin 809S Current Monitoring Relays provides supplementary tasks that can be effortlessly added and incorporated to any and all motor control circuits. This equipment features under and overcurrent detection. ...

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Allen Bradley

How to choose this product

relay

A relay is a control mechanism that activates or deactivates one or several parts of an electrical circuit. The two main categories are electromechanical and solid state relays.

Applications

These devices are used primarily to remotely switch a device or a circuit on or off. Remote electromechanical or electronic switching protects the user from possible danger associated with direct switch or contactor use, and makes possible automated switching. Some relays are used for security and protection. At activation thresholds, relays are used to control current, voltage, or a signal level. Time-delay relays exist as well.

Technologies

Relays exist in mechanical form, with electromagnets moving contacts when energized. Normally open or normally closed relays change position when activated by an electrical signal. Compact, solid-state relays consist of semiconductors and have no moving parts.

How to choose

Choice of a relay depends on intended use. For example, a time-delay relay is activated with a predetermined lapse after receiving a signal. Current strength must also be considered. Solid state relays cannot handle currents of the same strength as electromechanical models. On the other hand, solid state relays offer faster switching speeds.

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