3VA5270-5EC31-0AA0
Siemens
The Siemens 3VA5270-5EC31-0AA0 is a three-pole circuit breaker rated for 70A with a breaking capacity of 35KA. It features DIN rail mounting and a lever actuator.
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The Siemens SENTRON 3VA5270-6EC31-0AA0 is a 3-pole molded-case circuit breaker designed for system protection applications. It operates with a rated operational voltage of up to 690V AC and 750V DC, and has a maximum frame size current rating of 250A.
This circuit breaker offers a permanent rated current of 70A, with operational current ratings maintained at 70A up to 50°C. It provides a significant breaking capacity, rated at 65kA at 480V according to UL standards and 70kA at 415V according to IEC standards. The overcurrent release is a TM230 type with LI protection function.
Designed for DIN rail mounting, this circuit breaker has a mechanical service life of typically 20,000 switching cycles. Its dimensions are 185mm in height and 105mm in width. The product is approved by CCC, CE, CSA, EAC, and UL489.
Key electrical specifications include an insulation voltage of 800V and a maximum power loss of 17.1W. The adjustable response current for overload protection (Ir) is fixed at 70A, while the short-circuit protection (Ii) is adjustable from 350A to 700A.
| 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 for this circuit breaker is 690 V AC at 50/60Hz and 750 V DC.
The permanent rated current is 70 A, and the operational current at 40°C is also 70 A.
The breaking capacity according to UL 489 is 65 kA at 480 V, and according to IEC 60947 it is 70 kA at 415 V.
This circuit breaker is designed for DIN Rail mounting.
