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 3VA5270-6EF31-0AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, designed for system protection. It features a current rating of 70A and a maximum operational voltage of 690V AC and 750V DC.
This circuit breaker boasts a breaking capacity of 65kA at 480V according to UL 489 standards and 70kA at 415V according to IEC 60947 standards. It includes adjustable overload protection (Ir=56A...70A) and short-circuit protection (Ii=5...10 x In).
With a mechanical service life of 20,000 switching cycles and electrical endurance ratings of up to 8,000 cycles, this breaker is built for durability. It is designed for DIN rail mounting and has dimensions of 185mm height and 105mm width.
Key electrical specifications include a maximum power loss of 17.1W and an active power loss per pole of 5.7W. The overcurrent release type is TM240 with LI protection function.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The permanent rated current (Iu) is 70A, and the operational current at 40°C is also 70A.
The maximum rated operational voltage for AC is 690V (50/60Hz) and for DC is 750V.
The breaking capacity according to UL 489 is 65kA at 480V and 25kA at 600Y/347V.
This circuit breaker has 3 poles.
The mounting type is DIN Rail.
