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The Siemens SENTRON 3VA5140-4EF36-0AA0 is a 3-pole molded-case circuit breaker designed for system protection applications. It operates with a rated voltage of 690V AC and has an operational current of 40A at 40°C, derating to 36A at 70°C.
This circuit breaker offers a breaking capacity of 25kA at 480V according to UL 489 standards, and 55kA at 240V and 36kA at 415V according to IEC 60947 standards. The overcurrent release is of type TM240 with LI protection function, allowing adjustable overload protection from 32A to 40A and short-circuit protection from 5 to 10 times the rated current.
With a mechanical service life of 20,000 cycles and electrical endurance ratings of 8,000 cycles at 380/415V and 4,000 cycles at 690V, this breaker is built for durability. It is suitable for HACR Type applications and mounts via DIN rail.
Key electrical specifications include an insulation voltage of 800V and a maximum operational DC voltage of 500V. The maximum power loss is 11.2W, with an active power loss per pole of 3.73W in hot operating state.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operational current rating is 40A at 40°C, decreasing to 36A at 70°C.
The breaking capacity according to UL 489 is 25 kA at 480V.
The rated operating voltage at AC is 690 V.
This circuit breaker has 3 poles.
It uses DIN Rail mounting.