Product Guide Trip Circuit Supervision Relay TSR-B
Product Guide Trip Circuit Supervision Relay TSR-B
Product Guide Trip Circuit Supervision Relay TSR-B
FA C T S H E E T
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01 TSR-B
Application When the circuit breaker is closed, the TSR-B will
The TSR-B relay is used to supervise the trip circuit supervise the circuit via terminal 21. If the protective
and this provides alarm: relay trips the breaker, the protective relay contact
• For loss of DC supply will short circuit the supply to the TSR-B. The circuit
• Faults on trip coil or cable independent of breaker breaker will open after a certain time and its
position auxiliary contacts will switch over. The protective
• For faults on breaker auxiliary contacts relay contact will also open and TSR-B will be supplied
• For faults in the supervision relay itself via terminal 13 and additional supervision wire.
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Specify: U1 11
• Type, TSR-B
TRIP
• Quantity
CONTACT 12
• Ordering No. Refer table below U2
BREAKER
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1MYN209004-001 Copyright© 2019 ABB. All rights reserved.
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