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This Siemens 3VA5 molded-case circuit breaker, part number 3VA5170-5ED21-0AA0, is designed for system protection. It features a 2-pole configuration and a continuous current rating of 70A. The breaker has a maximum operational voltage rating of 415V AC and 250V DC, with an insulation rated voltage of 600V.
Key electrical specifications include a breaking capacity of 35kA at 480V (UL 489) and 55kA at 415V (IEC). Overload protection is set at Ir=70A, and short-circuit protection at Ii=10 x In. The breaker has a mechanical service life of 15,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 380/415V.
Mechanically, the unit is designed for DIN rail mounting and has dimensions of 140mm height, 50.8mm width, and 76.5mm depth. It also has a maximum power loss of 16.5W.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The continuous current rating (Iu) is 70A.
The maximum rated operational voltage for AC is 415V.
The breaking capacity according to UL 489 is 35kA at 480V, and according to IEC 60947 it is 55kA at 415V.
This circuit breaker has 2 poles.
It is designed for DIN rail mounting.