Safety relays

Safety relays

Our TÜV-certified safety relays with force-guided contacts provide maximum safety for one to three fixed safety functions. Depending on space requirements, highly compact designs starting at just 6 mm are available.

New products

PSRcompact safety relay
PSRuni multifunctional safety relays
PSR-MC35 Ex i intrinsically safe safety relay

Compact safety relays

Maximum safety in the smallest space

The PSRcompact safety relays feature reliable safety technology in a particularly space-saving design. They enable the safe shutdown of machines and systems, meet particularly high safety standards, and can be easily integrated into existing systems.

Main features

  • Up to 5 enabling current paths in 17.5 mm housing
  • Overall width starting from 12.5 mm
  • Extended temperature range up to +60°C
  • TÜV-certified safety up to SIL 3 / PL e
  • Push-in connection technology
  • Force-guided contacts
  • Digital product documentation via DT4I code

Your Advantages

  • Compact design for space savings of up to 25% in the control cabinet
  • Compatible with all relevant sensor types for flexible use
  • Easy startup without parameterization or using software
  • Quick installation due to tool-free wiring with Push-in connection technology
  • Robust and durable housing for use in industrial environments

Multifunctional safety relays

All safety functions in one device

With the PSRuni multifunctional safety relay, up to four safety functions can be monitored with just one device. The comprehensive coverage of common safety functions enables flexible configuration and adaptation to individual requirements.

Main features

  • Configuration via rotary coding switch on the device or via clipx ENGINEER Device Parameterization software
  • Coverage of common safety functions, such as emergency stop, light grid
  • Monitoring of up to two safety circuits
  • Overall width: 22.5 cm
  • Push-in connection technology

Your Advantages

  • Universal use by covering all common safety functions
  • Flexible adaptation to individual requirements
  • Space-saving and efficient monitoring of up to four safety functions in a single device
  • Fast startup with easy configuration
  • Can be used in applications up to the highest safety level, SIL 3/PL e

Safety relays for the Ex area

Monitoring signal generators in zone 0

The PSR-MC35 Ex i safety relay has intrinsically safe input contacts and is particularly suitable for monitoring single- or two-channel signal generators, such as emergency switching off switches or safety door switches, in potentially explosive environments.

Main features

  • Certified in accordance with IECEx and ATEX
  • 2 intrinsically safe inputs up to zone 0
  • Suitable for installation in zone 2
  • Overall width: 17.5 mm
  • Automatic or manual, monitored start
  • Push-in Technology

Your Advantages

  • Corrosion protection with additional conformal coating of the printed circuit board
  • Highly reliable even in extended temperature ranges up to +60°C
  • High-level safety even under extreme ambient conditions up to PL e or SIL 3
  • Reduced wiring time with Push-in Technology
  • Space savings with the compact overall width

Three product families for various machine applications

Our compact safety relays meet the demands made of machine building applications all over the world. They are used primarily in food, packaging, and assembly handling machines.

PSRmini safety relay

Safety relays starting from an overall width of 6 mm

Highly compact PSRmini safety relays

PSRmini relays are the narrowest safety relays available on the market. PSRmini safety relays need up to 70% less space in the control cabinet, without compromising on performance.

  • A large selection of safety relays for safety functions such as emergency stop, light grids, safety doors, two-hand controls, and much more
  • Narrow housings of 6 mm and 12 mm
  • Safety relays with 1 to 3 enabling paths
  • Contact extension available with 5 enabling paths
  • Screw or spring-cage connection
PSRclassic safety relays

Safety relays with a market-standard design

PSRclassic conventional safety relays

The PSRclassic conventional safety relay range features a large selection of functions and versions. The housing width corresponds to the market standard.

  • A large selection for safety functions such as emergency stop, light grids, safety doors, two-hand controls, and much more
  • Housing widths from 17.5 mm
  • Large selection of versions
  • Available with up to 8 enabling paths
  • Screw or spring-cage connection
Multifunctional safety relay

Multifunctional safety relay with up to two adjustable safety functions

PSRuni multifunctional safety relays

With the PSRuni multifunctional safety relay up to two safety functions can be monitored with just one device. The comprehensive coverage of common safety functions enables flexible configuration and adaptation to individual requirements.

  • Configuration directly on the device via rotary coding switch
  • Coverage of common safety functions, such as emergency stop, light grid
  • Monitoring of two independent circuits
  • Overall width: 22.5 cm
  • Push-in connection technology

Compact, modular safety technology for machine building

As a machine builder, you are familiar with the dynamics and requirements of your market. Functional safety is playing an increasingly significant role. Standards and directives make an important contribution here. With our PSR safety relays, you are able to create new safety concepts that provide many advantages:

  • Compatible with many sensors and actuators for use in countless applications, particularly in machine building
  • Able to realize applications up to performance level e in accordance with ISO 13849 and SIL 3 in accordance with IEC 62061
  • All of our safety products are TÜV-certified and come with comprehensive approvals for global markets
  • The Phoenix Contact relay technology installed in the safety relay offers maximum functional safety thanks to force-guided contacts
  • Our safety relays have an overall width starting from 6 mm, and a minimum of one enabling path make them suitable for modular safety concepts