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The Siemens 3VA5170-1MU31-0AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, designed for starter protection applications. It features a permanent rated current of 70A and a maximum rated operational voltage of 690V AC.
This circuit breaker offers a high breaking capacity, with a maximum short-circuit current (Icu) of 150 kA at 240V and 70 kA at 415V. The adjustable response current (Ii) ranges from 210A to 490A. It is built to UL 489 standards and is HACR Type.
Mechanical specifications include a height of 140mm, width of 76.2mm, and depth of 76.5mm. The device has a mechanical service life of typically 15,000 switching cycles and an electrical endurance of up to 8,000 cycles at 380/415V. The protection class on the front is IP40. The operating temperature range is -25°C to 70°C.
This model is suitable for DIN rail mounting and is equipped with a lever actuator. It is compliant with CCC, CE, CSA, EAC, UL489, and VDE approval agencies. The Siemens 3VA5170-1MU31-0AA0 is designed without overload protection but includes short-circuit protection.
| 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 is 70A, and the operational current at various temperatures up to 70°C is also 70A.
The maximum rated operational voltage (Ue) with AC 50/60Hz is 690 V.
The dimensions are 140 mm in height, 76.2 mm in width, and 76.5 mm in depth.
The operating ambient temperature range is from -25 °C to 70 °C.
The RoHS status is listed as RoHS3 Compliant.