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This Siemens 3VA5270-7EC41-0AA0 is a 4-pole molded-case circuit breaker from the 3VA5 series, designed for system protection. It features a rated operational current of 70A and a maximum rated operational voltage of 690V AC.
The circuit breaker boasts a high breaking capacity, with a maximum short-circuit current (Icu) of 200kA at 240V and 100kA at 480V, according to UL 489 standards. It also meets IEC 60947 standards with a breaking capacity of 85kA at 415V.
Key electrical parameters include adjustable overload protection (Ir=70A) and fixed short-circuit protection (Ii=5-10 x In). The device has a mechanical service life of typically 20,000 switching cycles and an electrical endurance of up to 8,000 cycles at 380/415V.
Mounted on a DIN rail, this circuit breaker is suitable for various industrial and commercial applications requiring reliable circuit protection. It operates within a wide temperature range, maintaining its performance.
| 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 690 V with AC 50/60Hz and 1000 V with DC.
The breaking capacity according to UL 489 is 100 kA at 480 V.
The permanent rated current (Iu) is 70 A.
This circuit breaker has 4 poles.
This circuit breaker supports DIN Rail mounting.