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This Siemens 3VA5 series molded-case circuit breaker, part number 3VA5170-4EC32-1AA0, is designed for system protection. It operates at a rated voltage of 690V AC and features a 70A current rating at 40°C, with derated values at higher temperatures.
The breaker offers a breaking capacity of 25kA at 480V and 14kA at 600Y/347V, adhering to UL489 standards. It includes overload protection with an adjustable short-circuit protection setting (Ii) from 5 to 10 times the rated current (In).
With a mechanical service life of 20,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 380/415V, this circuit breaker is built for durability. It is DIN rail mountable and features front connections with a nut keeper kit.
Key technical specifications include a maximum power loss of 18.3W and an active power loss of 6.1W per pole. The overcurrent release type is TM230 with LI protection function. It is also designated as HACR Type 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 rated operating voltage is 690 V AC.
The operational current rating at 40°C is 70 A.
The breaking capacity at 480V is 25 kA.
This circuit breaker has 3 poles.
It offers LI protection function for overcurrent release.
The mounting type is DIN Rail.