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This Siemens SENTRON 3VA5 series molded-case circuit breaker, part number 3VA5140-4EC36-1AA0, is engineered for robust system protection. It operates at a rated voltage of 690V AC and features a 3-pole configuration.
The breaker provides a nominal operational current of 40A at 40°C, with derated values at higher temperatures up to 70°C. Its short-circuit protection is fixed, ranging from 5 to 10 times the rated current (In). The breaking capacity is rated at 25kA at 480V, with other ratings available at different voltages.
Designed for reliability, it boasts a typical mechanical service life of 20,000 switching cycles and significant electrical endurance ratings at various AC voltage levels. The unit is suitable for HACR Type applications according to UL 489. It is mounted on a DIN rail and features a lever actuator.
Environmental compliance includes RoHS3 compliance and an MSL of 1. The breaker has a maximum power loss of 11.2W and an active power loss of 3.73W per pole under hot operating conditions.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated operating voltage is 690 V AC.
The operational current at 40°C is 40 A.
The breaking capacity is 25 kA at 480 V.
This circuit breaker has 3 poles.
The typical mechanical service life is 20,000 switching cycles.
The mounting type is DIN Rail.