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The Siemens SENTRON 3VA5170-1MH32-0AA0 is a 3-pole molded-case circuit breaker, specifically designed for starter protection applications. It operates with a rated insulation voltage of 800V and a rated operating voltage of 690V AC.
This circuit breaker features a 70A operational current across a temperature range from 40°C to 70°C. Its breaking capacity according to IEC 60947 includes a maximum short-circuit current (Icu) of 150 kA at 240V and 70 kA at 415V. The operating short-circuit current (Ics) is 150 kA at 240V and 70 kA at 415V.
With a mechanical service life of 20,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 380/415V, this breaker is built for durability. It has a front connection type with a nut keeper kit and dimensions of 140mm height, 76.2mm width, and 76.5mm depth. The device is HACR Type compliant according to UL 489.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operational current rating is 70A at temperatures ranging from 40°C to 70°C.
The rated operating voltage at AC is 690 V.
The maximum breaking capacity (Icu) at 240V is 150 kA.
The dimensions are 140 mm in height, 76.2 mm in width, and 76.5 mm in depth.
Yes, it is designed as a load switch according to UL 489 for Heating, Air Conditioning, and Refrigeration (HACR) Type.
The overcurrent release type is TM120M.