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This Siemens 3VA5270-7EF31-0AA0 is a 3-pole molded-case circuit breaker designed for system protection. It features a current rating of 70A and a maximum operational voltage of 690V AC and 750V DC. The circuit breaker has a breaking capacity of 100kA at 480V according to UL 489 standards and 110kA at 415V according to IEC 60947.
With a TM240 overcurrent release and LI protection function, this breaker is suitable for HACR type applications. It is designed for DIN rail mounting and has a mechanical service life of 20,000 switching cycles.
Key electrical specifications include a rated insulation voltage of 800V and a maximum power loss of 17.1W. The operational current is maintained at 70A up to 50°C, with gradual reduction at higher temperatures. The dimensions are 185mm in height, 105mm in width, and 73mm in depth.
| 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 is 70A, and the operational current is 70A at temperatures up to 50°C.
The maximum rated operational voltage is 690 V with AC 50/60Hz and 750 V with DC.
The breaking capacity according to UL 489 is 100 kA at 480 V, and according to IEC 60947 it is 110 kA at 415 V.
This circuit breaker is designed for DIN rail mounting.
The dimensions are 185 mm in height, 105 mm in width, and 73 mm in depth.