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The Siemens 3VA5170-4ED21-1AA0 is a 2-pole molded-case circuit breaker from the SENTRON series. It is designed for system protection and features a TM210 overcurrent release with LI protection function.
Key electrical specifications include a rated operational current of 70A at 40°C, a maximum frame size current rating of 125A, and a breaking capacity of 25kA at 480V. The device also offers a fixed short-circuit protection setting of Ii=10 x In and overload protection of Ir=70A.
With a mechanical service life of 15,000 switching cycles and electrical endurance ratings of up to 8,000 cycles, this circuit breaker is built for durability. It has a protection class of IP40 on the front and an operating temperature range from -25°C.
The circuit breaker is suitable for DIN rail mounting and has dimensions of 140mm height, 50.8mm width, and 76.5mm depth.
| 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.
The breaking capacity is 25kA at 480V, 65kA at 240V, and 14kA at 600 Y/347 V.
This circuit breaker has 2 poles.
The mounting type is DIN Rail.
The minimum operating temperature is -25°C.