Disconnector unit SR852

Powerful relay for safe shutdown in zones 1 and 21

Separation of non-intrinsically safe interface cables directly in the hazardous area in conjunction with a pressurized enclosure system
Ex e relay contacts: 8 or 16 galvanically isolated switching contacts that open when the control voltage is switched off
Safe switching: Opening of the contacts is ensured by two independent contact relays connected in series (corresponds to safety integrity level SIL 2)
Simple cascading: Any number of disconnector units can be cascaded using the double terminals 9/19 and 10/20 on the control side
Standard version with three cable glands, others optionally available (see also “> Cable gland configuration”)