3VA5125-4EC31-0AA0
Siemens
The Siemens 3VA5125-4EC31-0AA0 is a 3-pole molded-case circuit breaker with a 25A current rating and a 690V AC maximum operational voltage. It offers a breaking capacity of 25kA at 480V.
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The Siemens 3VA5125-1MH31-0AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, designed for starter protection applications. This breaker has a permanent rated current (Iu) of 25A and is rated for a maximum operational voltage of 690V AC.
Key electrical specifications include a maximum breaking capacity (Icu) of 150 kA at 240V and 70 kA at 415V. The adjustable response current (Ii) ranges from 125A to 300A. The breaker is built with a mechanical service life of typically 15,000 switching cycles.
Mechanically, the unit has dimensions of 5.5 inches in height, 3 inches in width, and 3 inches in depth. It is designed for DIN rail mounting and has a front protection class of IP40. The operating temperature range is from -25°C to 70°C.
This circuit breaker carries multiple approvals, including CCC, CE, CSA, EAC, UL489, and VDE, ensuring compliance with various industry standards. It is suitable for applications requiring reliable overcurrent and short-circuit protection.
| 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 690 V AC.
The permanent rated current (Iu) is 25 A, and the operational current at various temperatures up to 70°C is also 25 A.
The maximum short-circuit current breaking capacity (Icu) is 150 kA at 240 V, 70 kA at 415 V, and 10 kA at 690 V. The operating short-circuit current breaking capacity (Ics) is 150 kA at 240 V, 70 kA at 415 V, and 5 kA at 690 V.
The circuit breaker has a height of 5.5 inches (140 mm), a width of 3 inches (76.2 mm), and a depth of 3 inches (76.5 mm).
The circuit breaker can operate in ambient temperatures ranging from a minimum of -25 °C to a maximum of 70 °C.