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The Siemens 3VA6225-5KM31-0AA0 is a 3-pole molded-case circuit breaker from the 3VA6 series, designed for system protection applications. It has a rated current (In) of 250A and a voltage rating of 690V, with an insulation voltage (Ui) of 600V.
This circuit breaker is equipped with an ETU830 overcurrent release and provides adjustable protection functions including overload protection (Ir: 100A to 250A), short-circuit protection (Ii: 1.5 to 10 x In), and ground-fault protection (Ig: 0.2 to 1 x In, tg: 0.05 to 0.8s). It also features a HACR Type designation.
Key electrical specifications include a breaking capacity (Icu) of 55 kA at 415V and 35 kA at 480V (UL 489). The mechanical service life is typically 20,000 switching cycles, with electrical endurance varying by voltage and load conditions.
Mechanically, the unit has dimensions of 198 mm height, 105 mm width, and 86 mm depth. It is designed for DIN rail mounting. The circuit breaker also supports communication and other measurement functions.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated current (In) for the Siemens 3VA6225-5KM31-0AA0 circuit breaker is 250A.
The Siemens 3VA6225-5KM31-0AA0 circuit breaker has a voltage rating of 690V.
This circuit breaker has 3 poles.
The 3VA6225-5KM31-0AA0 circuit breaker supports DIN rail mounting.
Overload protection (Ir) is adjustable from 100A to 250A, and short-circuit protection (Ii) is adjustable from 1.5 to 10 times the rated current.
The breaking capacity according to UL 489 at 480V is 35 kA.