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The Siemens 3VA5170-1MH31-0AA0 is a molded-case circuit breaker from the SENTRON series, designed for starter protection applications. This 3-pole breaker has a permanent rated current (Iu) of 70A, with operational current maintained at 70A across a temperature range of 40°C to 70°C.
It offers a maximum rated operational voltage of 690V AC and an insulation voltage (Ui) of 800V. The breaker provides adjustable short-circuit protection with an Ii range from 350A to 840A. Its breaking capacity (Icu) at 240V is 150kA, at 415V is 70kA, and at 690V is 10kA.
With a mechanical service life of 15,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 380/415V, this circuit breaker is built for durability. It features a lever actuator and is designed for DIN rail mounting. The dimensions are 140mm in height, 76.2mm in width, and 76.5mm in depth, with a front protection class of IP40. Operating temperatures range from -25°C to 70°C.
| 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 (Iu) is 70 A, and the operational current is maintained at 70 A across various temperatures from 40°C to 70°C.
The dimensions are 140 mm in height, 76.2 mm in width, and 76.5 mm in depth.
The operating temperature range is from -25 °C to 70 °C.
The RoHS status is RoHS3 Compliant.