3VA5125-4ED21-1AA0
Siemens
The Siemens 3VA5125-4ED21-1AA0 is a 2-pole molded-case circuit breaker with a 25A current rating and a 25kA breaking capacity at 480V. It utilizes a TM210 overcurrent release.
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The Siemens 3VA5125-6ED21-1AA0 is a 2-pole molded-case circuit breaker from the 3VA5 series, designed for system protection. It features a current rating of 25A and a significant breaking capacity of 65kA at 480V, with a switching capacity class of H.
This circuit breaker is built with a TM210 overcurrent release and offers LI protection function. It has a mechanical service life of 15,000 switching cycles and electrical endurance ratings suitable for various AC voltage levels. The unit is designed for DIN rail mounting and has a compact width of 50.8 mm.
Key electrical specifications include a maximum power loss of 5.6W and operational current ratings that vary slightly with ambient temperature, down to 22.8A at 70°C. The overcurrent release is adjustable, with a minimum Ir of 25A and a minimum/maximum Ii of 300A. It does not include ground-fault monitoring.
Environmental and safety features include an IP40 protection rating on the front and a minimum operating ambient temperature of -25°C. The breaker is compliant with various approval agencies including UL489, CSA, CE, and VDE.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The permanent rated current (Iu) is 25A, and the operational current at 40°C is also 25A.
The breaking capacity current at 480V is 65 kA.
This circuit breaker has 2 poles.
The Siemens 3VA5125-6ED21-1AA0 is designed for DIN rail mounting.
The minimum operating ambient temperature is -25 °C.
The RoHS status is RoHS3 Compliant.
The Moisture Sensitivity Level (MSL) is 1 Unlimited.