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This Siemens 3VA6225-5HM31-0AA0 is a 3-pole molded-case circuit breaker designed for system protection. It features an ETU330 electronic trip unit with LIG protection function and an operational current of 250A at temperatures up to 70°C.
The circuit breaker has a rated insulation voltage of 600V and a maximum power dissipation of 42W. It boasts a mechanical service life of 20,000 switching cycles and significant electrical endurance ratings at various voltages, including 6,000 cycles at 380/415V AC-1 and 6,000 cycles at 480V.
With a breaking capacity (Icu) of 85 kA at 240V and 55 kA at 415V according to IEC 60947, and a UL 489 breaking capacity of 35 kA at 480V, this breaker provides robust protection. Adjustable parameters include overload protection (Ir=100A...250A), short-circuit protection (Ii=1.5...10 x In), and ground-fault protection (Ig=0.2...1 x In, tg=0.1/0.3s).
The unit is designed for DIN rail mounting and has dimensions of 198mm height, 105mm width, and 86mm depth. It is approved by CCC, CE, CSA, EAC, UL489, and VDE.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operational current is 250A at temperatures from 55°C to 70°C.
The voltage rating is 690 V.
This circuit breaker has 3 poles.
It is designed for DIN Rail mounting.
The breaking capacity (Icu) is 85 kA at 240V, 55 kA at 415V, and 3 kA at 690V.
The typical mechanical service life is 20,000 switching cycles.
Yes, it features ground-fault protection with switchable I2t ON/OFF.