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This Siemens 3VA5 series molded-case circuit breaker, part number 3VA5280-7EF41-0AA0, is a 4-pole device designed for system protection applications. It operates with a rated operational current of 80A and offers a significant breaking capacity of 100kA at 480V, and up to 200kA at 240V according to UL 489 standards.
The breaker is built with a TM240 overcurrent release and provides LI protection functionality. It has an insulation voltage of 800V and a maximum rated operational voltage of 690V AC. The device is suitable for DIN rail mounting and features a lever actuator.
With a mechanical service life of typically 20,000 switching cycles, this circuit breaker is engineered for durability. It also offers adjustable current settings for overload (Ir) from 56A to 80A and short-circuit (Ii) from 400A to 800A.
Key electrical specifications include a maximum power loss of 20.4W. The breaker is designed for line protection and meets UL 489 standards for HACR type applications.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The maximum rated operational voltage for this circuit breaker with AC 50/60Hz is 690 V.
The breaking capacity according to UL 489 at 480V is 100 kA.
The permanent rated current (Iu) is 80 A.
This circuit breaker has 4 poles.
The typical mechanical service life is 20,000 switching cycles.