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The Siemens 3VA5170-5EF32-0AA0 is a 3-pole molded-case circuit breaker designed for system protection. It features a TM240 thermal-magnetic trip unit with adjustable LI protection, offering overload protection from 49A to 70A and short-circuit protection from 5 to 10 times the rated current.
This breaker has a rated operational voltage of 690V AC and a maximum breaking capacity of 35kA at 480V according to UL 489 standards, and 55kA at 415V according to IEC 60947.
With a mechanical service life of 20,000 switching cycles and electrical endurance ratings up to 8,000 cycles, it is built for durability. The unit is designed for fixed built-in technique with DIN rail mounting and features a rocker lever actuator. Its dimensions are 76.2mm width, 140mm height, 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 rated operational voltage for this circuit breaker is 690 V AC.
The breaking capacity according to UL 489 at 480V is 35 kA.
The rated permanent current (Iu) is 70 A, with an operational current of 70 A at 40°C.
This breaker features TM240 overcurrent release with LI protection.
The dimensions are 76.2 mm in width, 140 mm in height, and 76.5 mm in depth.