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This Siemens 3VA5105-1MU31-0AA0 is a molded-case circuit breaker from the 3VA5 series, specifically designed for starter protection applications. It features a 3-pole configuration and a rated operational current of 5A, with a maximum rated operational current for the frame size of 125A.
The circuit breaker operates at a maximum rated voltage of 690V AC and has a high breaking capacity, with a maximum short-circuit current (Icu) of 150 kA at 240V and 70 kA at 415V. The adjustable short-circuit protection (Ii) ranges from 15A to 35A.
With a mechanical service life of typically 15,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 380/415V, this breaker is built for durability. It has a protection class of IP40 on the front and is suitable for operation in ambient temperatures from -25°C to 70°C. The unit is designed for DIN rail mounting and includes an optional motor drive accessory.
| 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 at 50/60Hz.
The permanent rated current (Iu) is 5 A, and the operational current at 40°C is also 5 A.
The breaking capacity (Icu) is 150 kA at 240V, 70 kA at 415V, and 10 kA at 690V.
The operating temperature range is from -25°C to 70°C.
The RoHS status is listed as RoHS3 Compliant.