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This Siemens 3VA5 molded-case circuit breaker, part number 3VA5140-6EF32-0AA0, is designed for system protection applications. It features a 3-pole configuration and a rated operational current of 40A at 40°C, with derated values at higher temperatures.
The circuit breaker has a rated insulation voltage of 800V and an operating voltage of 690V AC. It offers a significant breaking capacity, with 65kA at 480V according to UL 489 standards and up to 150kA at 240V according to IEC 60947.
With a mechanical service life of 20,000 cycles and electrical endurance ratings of 8,000 cycles at 380/415V, this breaker is built for durability. It is designed for DIN rail mounting and features a lever actuator.
Key electrical protection functions include overload protection (Ir=32A...40A) and short-circuit protection (Ii=5...10 x In). The overcurrent release type is TM240 with an LI protection function. It is also listed as HACR Type compliant.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated insulation voltage is 800 V.
The maximum rated operational voltage with DC is 500 V.
The rated operating voltage at AC is 690 V.
The maximum power loss is 11.2 W.
The typical mechanical service life is 20,000 switching cycles.
The operational current at 40°C is 40 A.
The breaking capacity according to UL 489 at 480V is 65 kA.