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This Siemens 3VA5112-5ED21-0AA0 is a 2-pole molded-case circuit breaker from the 3VA5 series, designed for system protection. It features a rated current of 125A and a maximum operational voltage of 415V AC at 50/60Hz, with a DC operational voltage rating of 250V.
The circuit breaker provides a breaking capacity of 55kA at 415V according to IEC 60947 standards and 35kA at 480V according to UL 489 standards. It includes overload protection (Ir=125A) and fixed short-circuit protection (Ii=10 x In).
With a mechanical service life of typically 15,000 switching cycles and electrical endurance ratings of 8,000 cycles at 380/415V AC-1 and 4,000 cycles at 690V AC-1, this breaker is built for durability. It is designed for DIN rail mounting and has dimensions of 140mm height, 50.8mm width, and 76.5mm depth.
| 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 is 415 V with AC 50/60Hz and 250 V with DC.
The breaking capacity according to IEC 60947 is 55 kA at 415 V, and according to UL 489 it is 35 kA at 480 V.
The permanent rated current (Iu) is 125 A, and the operational current at 40°C is also 125 A.
This circuit breaker has 2 poles.
This circuit breaker supports DIN Rail mounting.