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The Siemens 3VA5270-7EC31-0AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, designed for system protection applications. It features a current rating of 70A and a maximum rated operational voltage of 690V AC (750V DC).
This circuit breaker boasts a high breaking capacity, with a maximum short-circuit current (Icu) of 110 kA at 415V and 100 kA at 480V according to UL 489 standards. The overcurrent release is of type TM230 with LI protection function. It is designed for DIN rail mounting and has a mechanical service life of up to 20,000 switching cycles.
Key electrical specifications include a permanent rated current (Iu) of 70A, with operational current ratings varying slightly with temperature from 70A at 40°C down to 61.6A at 70°C. The switching capacity class according to IEC 60947 is C.
With dimensions of 185mm height, 105mm width, and 3.3 inches depth, this circuit breaker is suitable for various industrial and commercial applications requiring reliable circuit protection.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The maximum rated operational voltage is 690 V AC.
It has 3 poles.
The current rating is 70A.
The breaking capacity at 240V is 200 kA.
It is certified by CCC, CE, CSA, EAC, and UL489.