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The 3VA5145-4ED31-1AA0 is a molded-case circuit breaker manufactured by Siemens. It features a rated operational current of 45A at 40°C and 50°C, and 42.2A at 70°C. The breaker has a breaking capacity of 25kA at 480V and a breaking capacity class of S. It is designed with three poles and includes overload protection of 45A and short-circuit protection of 10 times In. The device is suitable for electrical protection applications requiring high capacity circuit interruption. Its mechanical service life is approximately 15,000 switching cycles, with electrical endurance up to 8,000 cycles at 380/415V AC. The physical dimensions are 140mm in height, 76.2mm in width, and 76.5mm in depth.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The UL frame size is 125 A.
The breaking capacity is 25 kA at 480V.
It has three poles.
The protection function is LI.
The maximum rated operational current is 125 A.