The PSR safety relay extension units are for contact expansion.

Single and two-channel control (stock no. 768-5147 & 801-5937), with one-channel connection only (stock no. 666-7113 & 801-5934)
5 enabling current paths, 1 signalling current path, and 1 confirmation current path
Input voltage 24 Vac/dc
Option of basic insulation or reinforced insulation

Up to Cat. 4/PL e according to ISO 13849-1, SILCL 3 according to IEC 62061, SIL 3 according to IEC 61508.

Closely monitor your automated system's electrical flow with this output module from Phoenix Contact. It checks your setup for power faults like short circuits, reliably detecting an issue as it pops up to minimise the risk of damage. By responding to signals in just 20ms, the unit catches sudden faults in no time. Thanks to silver alloy contacts, it efficiently carries power to ensure smooth processing.
Looking to track down issues in multiple circuits? This module monitors two channels at once for efficient setup coverage. Mounting is a breeze, as it simply snaps onto a standard DIN rail without the hassle of tools. Screw terminals clamp down firmly to hold wires secure against disruptive movement. A built-in LED indicator clearly shows the unit's power status at a glance for speedy inspections. As it comes with surge protection, it pushes through sudden overloads without a hitch.

• Mechanical lifespan of 10 million cycles means you get long-lasting monitoring
• Durable PA housing to block damage from impacts
• Maximum power consumption of 1.94W for minimal energy use
• Meets IEC 60664-1 standard for air clearances, ensuring effective electrical insulation