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The Siemens SENTRON 3VA5217-7EF31-0AA0 is a 3-pole molded-case circuit breaker designed for system protection applications. It operates with a rated current of 175A and offers a significant breaking capacity, rated at 100kA at 480V according to UL 489 standards, and up to 110kA at 415V per IEC 60947.
This circuit breaker features an adjustable overload protection (Ir) from 140A to 175A and short-circuit protection (Ii) from 5 to 10 times the rated current. It has a maximum rated operational voltage of 690V AC and 750V DC. The device is built for durability with a typical mechanical service life of 20,000 switching cycles.
Designed for DIN rail mounting, the 3VA5217-7EF31-0AA0 has dimensions of 7.3 inches (185 mm) in height and 4.1 inches (105 mm) in width. It is equipped with a TM240 overcurrent release and provides LI protection function. The breaker is suitable for HACR Type applications as per UL 489.
Key electrical specifications include an insulation voltage of 800V and a maximum power loss of 35.1W. The operational current is maintained at 175A up to 50°C, with gradual reductions at higher temperatures. It is classified under switching capacity class C according to IEC 60947.
| 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 is 690 V.
The current rating is 175A.
The breaking capacity at 690V is 10 kA.
It uses DIN rail mounting.
It has 3 poles.