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The Siemens 3VA5250-5ED31-1AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, designed for system protection applications. This breaker features a fixed overload protection setting of 50A (Ir=50A) and a short-circuit protection setting of 10 times the rated current (Ii=10 x In).
With a permanent rated current (Iu) of 50A and a maximum rated operational current of the frame size at 250A, it is suitable for various industrial and commercial applications. The breaking capacity is rated at 35kA at 480V, with other ratings including 85kA at 240V and 18kA at 600Y/347V. The device is designed for DIN rail mounting and has an IP40 protection rating on the front.
General technical data includes a maximum power loss of 17.4W and a typical mechanical service life of 20,000 switching cycles. Electrical endurance varies with voltage, with 8,000 cycles at 380/415V AC-1 and 4,000 cycles at 690V AC-1. The operating temperature range is from -25°C to 70°C.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The permanent rated current (Iu) is 50A, and the maximum rated operational current of the frame size is 250A.
The breaking capacity current at 480V is 35 kA.
This circuit breaker has 3 poles.
It uses DIN Rail mounting.
The operating temperature range is from -25°C to 70°C.