Safety Relays from RS Components, Ltd.


9176660 -- View Larger Image

The JSBT4 safety relay from ABB has synchronised dual input channels, within 0.5 s. When both inputs are closed, the safety output contacts are kept closed. The inputs can be continuously short circuited without damaging the safety relay. The test input of the JSBT4 is intended to monitor when contactors or valves have dropped/returned before a new start is permitted. The relay functions safely in the event of component failure, short circuit or loss of power supply.
Supply Voltage = 24 V dc
Number of Channels = 2
Auxiliary Contacts = 1
Function = Two-Hand Control
Safety Category ISO 13849-1 = 4
SIL IEC 61508 = 3
PL ISO 13849-1 = E
Safety Contacts = 3
Reset Method = Automatic
Terminal Type = Screw

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