IDEM SCR-21/31/73-i VIPER Screw Safety Relay Professional range of IDEM VIPER Safety Relays with screw terminals. The safety relays incorporate expansion units. The relays can be directly wired to increase the number of safety output contacts. Designed to meet the latest safety standard and offer enhanced LED diagnostics and simplified wiring. Typical applications include safety interlock switches and emergency e-stop devices door guard monitoring. Single or Dual channel operation
Monitored Manual or Auto Start/Reset
LED Indication status
22.5 or 45 mm DIN Rail mounting