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This Siemens 3VA5225-0MU31-0AA0 is a 3-pole molded-case circuit breaker from the SENTRON series, specifically designed for starter protection applications. It features a maximum rated operational current of 250A and a maximum operational voltage of 690V AC.
The circuit breaker provides robust short-circuit protection with a maximum breaking capacity (Icu) of 70 kA at 415V and an operating short-circuit capacity (Ics) of 100 kA at 415V. The overcurrent release is designed with an LI protection function and is adjustable, with a minimum li setting of 750A and a maximum of 1500A.
Constructed for reliability, it has a mechanical service life of typically 20,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 380/415V. The unit measures 185 mm in height, 105 mm in width, and 83 mm in depth, designed for DIN rail mounting.
Environmental specifications include an operating temperature range of -25°C to 70°C and a front protection class of IP40. The overcurrent release is designated TM120M, and it is built to UL 489 standards for HACR type applications.
| 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.
The current rating is 250A.
The breaking capacity (Icu) at 415V is 70 kA, and the operating short-circuit current (Ics) at 415V is 100 kA.
The dimensions are 185 mm in height, 105 mm in width, and 83 mm in depth.
The operating temperature range is from -25 °C to 70 °C.