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The Siemens 3VA5140-4EC31-1AA0 is a 3-pole molded-case circuit breaker from the SENTRON series, designed for system protection. It has a rated current of 40A and an operational current of 40A at 40°C, with a maximum operational current of 125A for the frame size.
This circuit breaker offers a breaking capacity of 25kA at 480V and 14kA at 600Y/347V, with a switching capacity class of S according to IEC 60947. The overload protection is handled by a TM230 release, and it features fixed short-circuit protection with an adjustable range of 5 to 10 times the rated current (Ii).
With a mechanical service life of typically 15,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 380/415V, this breaker is built for durability. It operates within an ambient temperature range of -25°C to 70°C and has a front protection class of IP40. The unit is designed for DIN rail mounting and has dimensions of 140mm height, 76.2mm width, and 76.5mm depth.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated current is 40A.
The voltage rating is 690V.
The breaking capacity is 25kA at 480V.
It has 3 poles.
The mounting type is DIN Rail.
The minimum operating ambient temperature is -25°C.