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This Siemens 3VA5250-5ED31-0AA0 is a 3-pole molded-case circuit breaker from the SENTRON series, designed for system protection applications. It features a rated operational current of 50A and a maximum rated operational voltage of 690V AC.
The circuit breaker provides a breaking capacity of 35kA at 480V according to UL 489 standards and 55kA at 415V according to IEC 60947 standards. The overload protection is set at Ir=50A fixed, with short-circuit protection at Ii=10 x In. It is built on the UL Frame 250.
With a mechanical service life of typically 20,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 380/415V, this breaker is designed for durability. Its dimensions are 105mm width, 185mm height, and 83mm depth, suitable for DIN rail mounting.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The Siemens 3VA5250-5ED31-0AA0 circuit breaker has a permanent current rating (Iu) of 50A.
The maximum rated operational voltage (Ue) for this circuit breaker with AC 50/60Hz is 690 V.
The breaking capacity according to UL 489 at 480V is 35 kA.
This circuit breaker has 3 poles.
The mounting type for this circuit breaker is DIN Rail.