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This Siemens 3VA6225-5HN31-2AA0 is a molded-case circuit breaker designed for system protection. It is a 3-pole unit with a rated current of 250A and a breaking capacity of 35kA at 480V, compliant with UL 489 standards. The circuit breaker utilizes an ETU350 electronic trip unit with LSI (Long-time, Short-time, Instantaneous) protection functions.
Key electrical specifications include an insulation voltage of 600V and a maximum power loss of 42W. The mechanical service life is rated at a typical 20,000 switching cycles, with electrical endurance varying based on voltage and load conditions. The unit is designed for DIN rail mounting and has dimensions of 7.8 inches in height, 4.1 inches in width, and 3.4 inches in depth.
Additional features include HACR type compliance and a 100%-rated breaker marking according to UL 489. The adjustable overload protection ranges from 100A to 250A, and short-circuit protection is adjustable from 1.5 to 10 times the overload setting (Isd) and 10 times the rated current (Ii).
| 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 is 250A at temperatures from 55°C to 70°C.
The breaking capacity according to UL 489 is 35kA at 480V, and according to IEC 60947, it is 55kA at 415V.
It features an ETU350 electronic trip unit with LSI (Long-time, Short-time, Instantaneous) protection functions.
The insulation voltage (Ui) is rated at 600V.
The dimensions are 7.8 inches (198 mm) in height, 4.1 inches (105 mm) in width, and 3.4 inches (86 mm) in depth.
The RoHS status is listed as RoHS3 Compliant.
The Moisture Sensitivity Level (MSL) is 1 Unlimited.