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The Siemens 3VA5212-5EF31-0AA0 is a 3-pole molded-case circuit breaker from the SENTRON series, designed for system protection. It features a rated operational current of 125A and a maximum rated operational voltage of 690V AC.
This circuit breaker provides a breaking capacity of 35kA at 480V according to UL 489 standards and 55kA at 415V according to IEC 60947 standards. The overcurrent release is of type TM240 with LI protection function. It is suitable for DIN rail mounting and has a mechanical service life of up to 20,000 switching cycles.
Key electrical specifications include an insulation voltage of 800V and adjustable overcurrent protection settings for both long-time (Ir) and short-time (Ii) delays. The dimensions are 7.3 inches in height, 4.1 inches in width, and 3 inches in depth.
This breaker is designed for applications requiring reliable circuit protection in industrial and commercial environments. Its robust construction and adherence to UL and IEC standards ensure dependable performance.
| 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 and 750 V DC.
The continuous current rating (Iu) is 125 A, with a maximum rated operational current of 250 A for the frame size.
The breaking capacity is 35 kA at 480 V (UL) and 55 kA at 415 V (IEC).
It features TM240 overcurrent release with LI protection function and adjustable settings for long-time (Ir) and short-time (Ii) delays.
This circuit breaker is designed for DIN rail mounting.
The dimensions are 7.3 inches in height, 4.1 inches in width, and 3 inches in depth.