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This Siemens 3VA5 series molded-case circuit breaker, part number 3VA5170-4ED31-1AA0, is designed for system protection applications. It features a 3-pole configuration and a rated operational current of 70A at 40°C, with a maximum frame size current of 125A.
The circuit breaker has a voltage rating of 690V and a breaking capacity of 25kA at 480V, and 14kA at 600Y/347V. The overcurrent release is of type TM210 with LI protection function. It is designed for HACR type applications.
With a mechanical service life of 15,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 480V, this breaker is built for durability. It has a compact mechanical design with dimensions of 140mm height, 76.2mm width, and 76.5mm depth. The mounting type is DIN Rail, and it has an IP40 protection class on the front.
Additional features include an optional motor drive accessory. The operating ambient temperature ranges from -25°C to 70°C. It is compliant with various approval agencies including CCC, CE, CSA, EAC, UL489, and VDE.
| 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 (Iu) is 70A, and the operational current at 40°C is also 70A. The maximum rated operational current of the frame size is 125A.
The voltage rating is 690 V.
The breaking capacity current at 480V is 25 kA.
It has 3 poles.
It supports DIN Rail mounting.
The minimum operating ambient temperature is -25°C.