The SIL 3 Safety Relay is created specifically for use in the emergency shutdown of plants and plant components in the process industry. The device meets the requirements of EN61508 as well as the safety demands of Safety Integrity Level 3.
The device guarantees safe electrical isolation of the safety PLC to the field and initiates protective measures in the face of danger or immediately cuts the energy supply. The SIL 3’s safety and monitoring circuits each have a yellow LED to indicate the functioning of the relay and ensure faultless operation of the relay.
The safety relay is fitted with gold-plated contacts and an additional switching current range of 6 mA up to 5 A of the monitoring circuit to provide reliable reaction of the emergency shutdown system. In addition, the time span between Relay ON and Response is only 4.5 ms (230 VAC) and 5.7 ms (120 VAC) respectively.
The device offers a widespread rated operational voltage of 120/230 VAC at the input of the monitoring circuit. A wide temperature range of -25 up to +50ºC makes it suitable for use in numerous environments including harsh surrounds. It is 92.4 x 22.5 x 112.4 mm and can be mounted on a TS35 DIN rail.
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