The Failsafe Coupling Relay SIRIUS 3RQ1000-1HB00 from Siemens enables the safe switching on/off of signals up to PL c in accordance with ISO 13849-1 and SIL 2. It has two NO and two NC contacts as auxiliary contacts and the control voltage is 24 V DC. The forcibly actuated Coupling Relay SIRIUS 3RQ1000-1HB00 is easily connected using screw terminals and can be mounted on a DIN 35 rail.
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