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This Siemens SENTRON molded-case circuit breaker, part number 3VA5140-5EF36-0AA0, is engineered for system protection applications. It features a 3-pole configuration and a 40A operational current rating at 40°C, with derated values at higher temperatures.
The breaker operates at a rated voltage of 690V AC and has a maximum DC operational voltage of 500V. It boasts a high breaking capacity, with an Icu of 55 kA at 415V and 35 kA at 480V according to UL 489 standards. The TM240 overcurrent release provides LI protection functionality.
With a mechanical service life of 20,000 cycles and electrical endurance ratings up to 8,000 cycles, this circuit breaker is built for durability. It is designed for DIN rail mounting and features aluminum lug connections on both line and load sides. The enclosure type is IP40, and it operates within a temperature range of -25 to 70°C.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operational current is 40A at 40°C, derating to 36A at 70°C.
The rated operating voltage at AC is 690V, and the maximum operational voltage with DC is 500V.
The breaking capacity according to UL 489 is 35 kA at 480V.
This circuit breaker has 3 poles.
It uses a TM240 thermal-magnetic trip unit with LI protection.
The mounting type is DIN Rail.