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This Siemens 3VA5112-1MH31-0AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, specifically designed for starter protection applications. It features a rated operational current of 125A at 40°C, with a maximum operational voltage of 690V AC.
The circuit breaker provides robust protection with a maximum breaking capacity (Icu) of 150 kA at 240V and 70 kA at 415V. The adjustable short-circuit response current (Ii) ranges from 625A to 1500A. It is built for durability with a typical mechanical service life of 15,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 380/415V.
Mechanically, the unit has dimensions of 140mm in height, 76.2mm in width, and 76.5mm in depth. It is designed for DIN rail mounting and has an actuator type of Lever. The front protection class is rated at IP40. The operating temperature range is from -25°C to 70°C, with storage temperatures from -40°C to 80°C.
This breaker is UL489 listed and meets HACR Type requirements. It is also compliant with CCC, CE, CSA, EAC, and VDE standards. The overcurrent release type is TM120M, providing 'I' protection function.
| 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 permanent rated current is 125 A, and the operational current at 40°C is also 125 A.
This circuit breaker has 3 poles.
The operating temperature range is from -25°C to 70°C.
The breaking capacity (Icu) at 415V is 70 kA, and the operating short-circuit current (Ics) at 415V is also 70 kA.
The adjustable response current (Ii) ranges from a minimum of 625 A to a maximum of 1500 A.
The circuit breaker has a height of 140 mm, a width of 76.2 mm, and a depth of 76.5 mm.