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The Siemens 3VA5140-6EC31-0AA0 is a three-pole circuit breaker designed for electrical protection applications. It features a rated operational current of 40A and a breaking capacity of 65KA, suitable for high short-circuit current environments. The device is rated for 690V maximum operational voltage with AC and 500V with DC. Its mechanical service life is approximately 15,000 switching cycles, and it can endure up to 8,000 electrical endurance cycles at 380/415V AC. The breaker is housed in a compact package measuring 5.5 inches (140 mm) in height and 3 inches in width, suitable for panel mounting. It is used in electrical distribution systems to protect circuits from overloads and short circuits, ensuring safety and reliability in industrial and commercial installations.
| 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 with AC is 690 V and with DC is 500 V.
The breaking capacity at 240 V is 150 kA.
The mechanical service life is approximately 15,000 switching cycles.