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Relay and Optocoupler Modules

Functionality in a Wide Range of Applications:

Whether relay sockets or pluggable relay and optocoupler modules, WAGO's array of relays and optocouplers offer a solution for any requirement. Use them in any sector of industry including process technology and power engineering, railway applications and machine engineering, as well as general control cabinet construction.


Your benefits:

  • Large range of coupling and timer relays
  • Easily connect conductors from 0.34 to 2.5 mm2 (22–12 AWG) without preparation
  • Switchable loads from 1 mA to 16 A (e.g., lamp loads)
  • Wide range of accessories (e.g., adjacent jumpers, markers, system cables)
  • Easy to operate and service

Relay Sockets with a Miniature Switching Relay (788 Series)

WAGO's 788 Series Relay Sockets are ideal for switching applications in both industrial and process automation. These modules can be used either with two channels or for reliably switching higher loads (e.g., lamp loads) up to 16 A.

Advantages:

  • Quick and easy elementary relay replacement after a failure
  • Compact housing: just 15 mm (0.590 inch) wide
  • Commoning on both the control and load sides
  • Tool-free connection via Push-in CAGE CLAMP®
relaissockel_serie-788_2000x2000px.jpg

Relay Modules with a Miniature Switching Relay and Optocoupler Modules (859 Series)

WAGO's 859 Series Relay Modules with a Miniature Switching Relay and Optocoupler Modules are ideal for any industrial interface applications. Their slim design saves valuable control cabinet space. Simple commoning at the control and load side streamlines looping through of common input and output potentials.

Advantages:

  • Versatile relay modules for AC and DC applications
  • Slim 6 mm (0.236 inch) housing saves space
  • Low-profile design for optimum use in terminal boxes
  • Front-side jumpers streamline connections
  • Top-of-unit LED for status signal indication
  • Proven CAGE CLAMP® connection technology
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Pluggable Relay Modules (2042 Series)

WAGO's 2042 Series Pluggable Relay Modules plug directly onto the carrier terminal blocks from the WAGO TOPJOB® S Rail-Mount Terminal Block System for easy and secure installation. This combination of rail-mount terminal blocks and relay modules saves the user an extra wiring level.
Incredibly robust, the 2042 Series Modules withstand high vibration and shock loads, and meet both DIN EN 61373 (vibration and shock) and DIN EN 50121-3-2 (EMC) railway standard requirements.

Advantages:

  • Pluggable for WAGO Rail-Mount Terminal Blocks TOPJOB® S
  • Input voltage ranges from 16.8 V to 253 V
  • Designed for a temperature range of −40°C to +70°C
  • Ideal for railway and industrial applications thanks to EN 50155 and EN 61010 (safety regulations for electronic devices)
relais-ssr-serie-204200402_2000x1500.jpg

DIN-Rail-Mount Carriers with a Miniature Switching Relay (287/288 Series)

WAGO's fully wired DIN-rail-mount carriers with a miniature switching relay (287/288 Series) provide direct, in-the-field switching of actuators and other coupling elements. They also permit fast and easy peripheral signal connections.

Advantages:

  • Faster and easier connection of peripheral signals
  • Pluggable relays for rapid and simple replacement
  • Easily connect conductors ranging from 0.08 to 2.5 mm2 (28–14 AWG)
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Relay Modules in a DIN-Rail-Mount Enclosure
(789 Series)

WAGO's 789 Series Relay Modules serve a wide variety of applications, from basic lighting control in building installations to industrial control cabinet installations. Just 17.5 mm (0.689 inch) wide, the compact DIN-rail-mount enclosure is ideal for distribution boards and meter cabinets.

Advantages:

  • Up to two break contacts and make contacts, or four make contacts
  • Available with manual operation
  • Commoning on each level via push-in jumpers
  • Clearly identified connection points
  • LED indicator for switching status
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Sockets with a Miniature Switching Relay or a Solid-State Relay
(857 Series)

WAGO's sockets with a miniature switching relay or a solid-state relay are the perfect combination of housing and electronics.

Advantages:

  • Pluggable MSR and SSR for DC and AC applications
  • Same profile allows the use of a single in-line, push-in jumper
  • Quick, easy replacement of relays in case of failure
  • Tool-free connection via Push-in CAGE CLAMP®
  • Ex approval (Zone 2)
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Sockets with an Industrial Relay (858 Series)

WAGO's DIN-35-rail-mount 858 Series Relay Sockets are designed for conventional industrial relays with standard pin spacing. These sockets carry relays equipped with two or four changeover contacts. During maintenance, they allow quick relay replacement without removing conductors.

Advantages:

  • Push-in termination of solid and ferruled conductors from 0.5 mm2 (20 AWG)
  • Dual conductor entries with Push-In CAGE CLAMP® connection technology
  • Manual operation in case of failure or during commissioning
  • Relay status indicator to stay updated visually
  • Relays with gold contacts for dry switching circuits
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Product News

Maximize Space in the Control Cabinet

New Solid-State Relay Module with Lower Power Dissipation at Higher Load Current

Maximizing the limited space available is the primary goal in control cabinet manufacturing. WAGO's new solid-state relay module (SSR module) can help: It switches a limiting continuous current up to 8 A. Due to low power loss, significantly less heat is generated. Thus, with the same total power loss, a higher packing density, i.e. a larger number of switching elements, can be realized in the control cabinet.

SSR modules are ideal for applications where a coupling level between the PLC and the load to be switched is required. Because they work without moving parts, there is no mechanical wear. As a result, they achieve a long service life, switch noiselessly and are unaffected by shock and vibration. WAGO's SSR modules use sockets that are pin-compatible with standard relays. This greatly simplifies relay replacement.

Your Benefits:

  • New SSR module now switches loads up to 8 A.
  • Lower power dissipation reduces heat generation and allows for higher packing density.

Get In Touch

Your Contact Person at WAGO

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Applications for Relays and Optocouplers

Learn all about the extensive scope of applications for our relays and optocouplers and discover vividly illustrated applications. These include the application of relays with manual operation in buildings, or how we meet the special requirements EN 50155 sets for the rail industry.

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