ABB 1VCR004290G0005 Under Voltage Release

FAQ

Q1: What is ABB 1VCR004290G0005?
A: It is an ABB MU undervoltage release coil assembly used with compatible vacuum circuit breakers.

Q2: What is the rated voltage?
A: The coil is rated for 110–132 V DC or 110–127 V AC at 50–60 Hz.

Q3: What is the function of the MU coil?
A: The MU coil is an undervoltage release. When the control voltage falls below the required level, the mechanism releases the circuit breaker, providing an undervoltage protection function.

Q4: Which circuit breakers use 1VCR004290G0005?
A: It is associated with ABB VD4 and VMax vacuum circuit breakers, including compatible indoor medium-voltage breaker configurations.

Q5: Is 1VCR004290G0005 an opening coil?
A: No. It is an MU undervoltage coil. ABB uses separate part numbers for the MO opening release and MC shunt closing release.

Q6: What are the dimensions of this ABB undervoltage release?
A: The listed dimensions are approximately 160 × 55 × 110 mm.

Q7: How much does 1VCR004290G0005 weigh?
A: The listed product weight is approximately 0.83 kg.

Q8: What should be checked before replacement?
A: Confirm the complete part number, 110–132 VDC / 110–127 VAC rating, breaker model, mounting arrangement and existing MU coil configuration before replacement. The voltage version is important because ABB offers different MU coils for 24 V, 30 V, 48 V, 60 V, 110–132 V and 220–250 V applications.

1VCR004290G0005 ABB

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