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This Siemens 3VA5217-6EF31-0AA0 is a molded-case circuit breaker from the 3VA5 series, designed for system protection applications. It features a 3-pole configuration and a permanent rated current of 175A, with a maximum frame size current rating of 250A. The breaker operates at a maximum rated operational voltage of 690V AC and 750V DC, with an insulation voltage of 800V.
Key electrical specifications include a breaking capacity of 100kA at 240V and 70kA at 415V according to IEC standards, and 65kA at 480V according to UL 489. The overcurrent release is of type TM240 with LI protection function, offering adjustable overcurrent response values from 123A to 175A and adjustable short-circuit response values from 875A to 1750A.
Mechanically, the circuit breaker has a typical service life of 20,000 switching cycles. It is designed for DIN rail mounting and has dimensions of 7.3 inches (185 mm) in height and 4.1 inches (105 mm) in width. The breaker is listed with approval agencies including CCC, CE, CSA, EAC, and UL489.
| 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 with AC 50/60Hz is 690 V.
The permanent rated current is 175 A, and the maximum rated operational current of the frame size is 250 A.
The breaking capacity at 480V according to UL 489 is 65 kA.
The typical mechanical service life is 20,000 switching cycles.
This circuit breaker is designed for DIN rail mounting.