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This Siemens 3VA5 series molded-case circuit breaker, part number 3VA5125-4EC31-0AA0, is designed for system protection. It features a 3-pole configuration and a rated operational current of 25A at 40°C, with derating at higher temperatures.
The breaker operates at a maximum AC voltage of 690V and DC voltage of 500V, with an insulation voltage of 800V. It provides overload protection with Ir=25A and fixed short-circuit protection with Ii ranging from 6 to 12 times the rated current.
Key electrical performance includes a breaking capacity of 25kA at 480V according to UL 489, and 36kA at 415V according to IEC 60947. The mechanical service life is typically 15,000 switching cycles. The unit is designed for DIN rail mounting and has dimensions of 140mm height, 76.2mm width, and 76.5mm depth.
| 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 690V AC at 50/60Hz and 500V DC.
The circuit breaker has a permanent current rating (Iu) of 25A and an operational current of 25A at 40°C.
According to UL 489, the breaking capacity is 25kA at 480V. According to IEC 60947, it is 55kA at 240V, 36kA at 415V, and 5kA at 690V.
This circuit breaker is designed for DIN rail mounting.
This component is RoHS3 Compliant.
The Moisture Sensitivity Level (MSL) is 1.