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The Siemens 3VA5217-5EF31-0AA0 is a 3-pole molded-case circuit breaker designed for system protection. It features a rated operational current of 175A and a maximum rated operational voltage of 690V AC and 750V DC. The breaker has a breaking capacity of 35kA at 480V according to UL 489 standards and 55kA at 415V according to IEC 60947.
With a mechanical service life of 20,000 switching cycles, this circuit breaker is built for durability. It includes adjustable overload protection (Ir) from 123A to 175A and adjustable short-circuit protection (Ii) from 875A to 1750A. The dimensions are 7.3 inches in height and 4.1 inches in width.
This molded-case circuit breaker is suitable for various applications requiring reliable overcurrent protection. Its robust construction and adjustable protection settings make it a versatile component for industrial and commercial installations.
| 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 AC and 750 V DC.
The breaking capacity according to UL 489 at 480V is 35 kA.
The permanent rated current (Iu) is 175 A.
The adjustable response current for overload protection (Ir) ranges from 123 A to 175 A, and for short-circuit protection (Ii) ranges from 875 A to 1750 A.
The circuit breaker has a height of 7.3 inches (185 mm) and a width of 4.1 inches (105 mm).
The typical mechanical service life is 20,000 switching cycles.