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The Siemens 3VA5107-1MU31-0AA0 is a high-performance molded-case circuit breaker from the SENTRON series, specifically designed for starter protection applications. This 3-pole unit operates with a permanent rated current of 7A and supports a maximum operational voltage of 690V AC.
With a robust mechanical service life of 15,000 switching cycles and significant electrical endurance ratings, this circuit breaker ensures reliability in demanding environments. It offers a breaking capacity (Icu) of up to 150 kA at 240V and 70 kA at 415V, with an adjustable short-circuit response current (Ii) ranging from 21A to 49A.
Designed for easy installation, the 3VA5107-1MU31-0AA0 features DIN rail mounting. Its compact dimensions (76.2mm width, 76.5mm depth, 140mm height) and IP40 protection class on the front make it suitable for various control panel configurations. The overcurrent release is designated as TM110M, providing essential protection functions.
This circuit breaker is compliant with UL 489 standards and carries multiple agency approvals including CE, CSA, and VDE. It operates within an ambient temperature range of -25°C to 70°C, making it suitable for a wide array of industrial and commercial applications.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The permanent rated current (Iu) is 7A, with operational current maintained at 7A up to 50°C.
The maximum rated operational voltage (Ue) with AC 50/60Hz is 690 V.
The breaking capacity (Icu) at 415V is 70 kA, and the operating short-circuit current (Ics) at 415V is also 70 kA.
The circuit breaker has a height of 140 mm, a width of 76.2 mm, and a depth of 76.5 mm.
The circuit breaker can operate in ambient temperatures from a minimum of -25°C to a maximum of 70°C.
The RoHS status is listed as RoHS3 Compliant.
This circuit breaker is designed for DIN Rail mounting.