The Siemens 3VA1125-4ED46-0AA0 is a molded-case circuit breaker (MCCB) from the SENTRON 3VA1 series, engineered for dependable line and feeder protection in industrial and commercial power distribution. With a 4-pole configuration and a rated current of 125 A, it delivers high short-circuit performance in a compact frame for panel-space efficiency.
Suitable for feeders and sub-distribution in industrial plants, commercial buildings, and infrastructure projects—where compact size, 125 A rated current, and high short-circuit capability are required for reliable protection and selectivity.
| Adjustment range undelayed short-circuit release | 1250 A |
| Complete device with protection unit | Yes |
| Degree of protection (IP) | IP40 |
| Device construction | Built-in device fixed built-in technique |
| DIN rail (top hat rail) mounting optional | Yes |
| Motor drive optional | Yes |
| Number of poles | 4 |
| Overload release current setting | 125 A |
| Position of connection for main current circuit | Front side |
| Power loss | 28.1 W |
| Rated permanent current Iu | 125 A |
| Rated short-circuit breaking capacity lcu at 400 V, 50 Hz | 36 kA |
| Rated voltage | 690 V |
| Suitable for DIN rail (top hat rail) mounting | Yes |
| Type of control element | Rocker lever |
| Type of electrical connection of main circuit | Frame clamp |
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