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The Siemens 3VA6225-5KM31-2AA0 is a 3-pole molded-case circuit breaker from the 3VA6 series, designed for system protection applications. It features a robust construction with a 250A current rating and a high insulation voltage of 600V, suitable for circuits up to 690V.
This circuit breaker is equipped with an ETU830 electronic overcurrent release with LIG protection function, offering adjustable overload protection (Ir) from 100A to 250A and adjustable short-circuit protection (Ii) from 1.5 to 10 times the rated current. It also includes adjustable ground-fault protection (Ig) and time delay (Tg).
With a breaking capacity of 35kA at 480V according to UL 489 and 55kA at 415V according to IEC 60947, this HACR Type breaker ensures reliable circuit protection. It is designed for DIN rail mounting and has a mechanical service life of 20,000 cycles.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operational current rating varies with temperature, from 238A at 55°C down to 200A at 70°C. The nominal current rating is 250A.
The insulation voltage is 600V, and the rated voltage is 690V.
It features an ETU830 electronic trip unit with adjustable overload protection (Ir) from 100A to 250A and adjustable short-circuit protection (Ii) from 1.5 to 10 times the rated current.
According to UL 489, the breaking capacity is 35kA at 480V. According to IEC 60947, it is 85kA at 240V, 55kA at 415V, and 3kA at 690V.
This circuit breaker is designed for DIN rail mounting.