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This Siemens 3VA5270-5EF31-0AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, designed for system protection. It has a rated operational current of 70A and a maximum rated operational voltage of 690V AC.
The circuit breaker offers a breaking capacity of 35kA at 480V according to UL 489 standards and 55kA at 415V according to IEC 60947. The overcurrent release is of type TM240 with LI protection function, adjustable from 56A to 70A for overload (Ir) and 5 to 10 times In for short-circuit (Ii).
With a mechanical service life of typically 20,000 switching cycles, this breaker is built for durability. It features a compact design with dimensions of 7.3 inches (185 mm) in height, 4.1 inches (105 mm) in width, and 3.3 inches (83 mm) in depth. The mounting type is DIN rail, making installation convenient in standard electrical enclosures.
| 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 with AC 50/60Hz and 750 V with DC.
The permanent rated current (Iu) is 70 A, and the operational current at 40°C is also 70 A.
The breaking capacity according to IEC 60947 is 55 kA at 415 V, and according to UL 489 it is 35 kA at 480 V.
This circuit breaker is designed for DIN rail mounting.
The RoHS status is RoHS3 Compliant.
The Moisture Sensitivity Level is 1 Unlimited.
