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The Siemens 3VA5170-5EC31-1AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, designed for system protection. It features a rated operational current of 70A at 40°C and a maximum breaking capacity of 35kA at 480V.
This circuit breaker is built with a TM230 overcurrent release and offers LI protection functions. It has a mechanical service life of 15,000 switching cycles and electrical endurance ratings of 8,000 cycles at 380/415V and 480V, and 4,000 cycles at 690V.
The device has a power loss of 16W maximum, with an active power loss of 5.33W per pole. Its dimensions are 140mm in height, 76.2mm in width, and 76.5mm in depth. The protection class on the front is IP40, and it operates within an ambient temperature range of -25°C to 70°C.
Designed for DIN rail mounting, this circuit breaker is suitable for various industrial applications requiring reliable circuit protection. It has a voltage rating of 690V and a frame size rated for up to 125A.
| 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 40°C, 45°C, and 50°C, decreasing slightly at higher temperatures.
The breaking capacity is 35kA at 480V, 85kA at 240V, and 18kA at 600 Y/347 V.
The voltage rating is 690V.
It is a 3-pole circuit breaker.
The mounting type is DIN Rail.
The minimum operating ambient temperature is -25°C.