Trip circuit monitoring relay XR351 Trip Circuit Supervision Relay
time delayIEC

trip circuit monitoring relay
trip circuit monitoring relay
trip circuit monitoring relay
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Measured/monitored value
trip circuit
Other characteristics
time delay, IEC


XR351 is an electro-mechanical relay for supervision and monitoring of a trip circuit, during both open and closed CB position, as well as for preclosing supervision. The XR351 has 3 attracted armature elements. It incorporates a time delay on de-energization, to keep the relay in an operated condition, during temporary reduction in the battery voltage. Application Supervision and ensuring the integrity of the trip circuit of a breaker Continuous supervision, during both, open and closed position of circuit breaker Preclosing supervision to prevent circuit breaker from being closed where the trip relay has not been reset Features Low burden Consistent positive action Complies with appropriate requirements of IEC 60255 Epsilon draw-out case


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