3VA5140-1MU31-0AA0
Siemens
The 3VA5140-1MU31-0AA0 is a Siemens three-pole circuit breaker rated for 40 amperes and designed for circuit protection applications.
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This Siemens 3VA5 molded-case circuit breaker, part number 3VA5140-4EC31-0AA0, is designed for reliable system protection. It features a 3-pole configuration and a permanent rated current (Iu) of 40A, with operational current ratings adjusted for temperatures up to 70°C.
The breaker provides a maximum rated operational voltage of 690V AC and 500V DC, with an insulation voltage of 800V. Its breaking capacity according to IEC standards includes 55kA at 240V and 36kA at 415V. Under UL 489 standards, it offers a breaking capacity of 25kA at 480V and 14kA at 600Y/347V.
With a mechanical service life of 15,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 380/415V, this circuit breaker is built for durability. It is suitable for DIN rail mounting and features a lever actuator. The overcurrent release type is TM230 with LI protection function, and it is HACR Type certified.
Key electrical specifications include adjustable response currents for short-circuit protection, with Ii ranging from 200A to 400A. The dimensions are 5.5 inches in height and 3 inches in width and depth.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The maximum rated operational voltage for this circuit breaker is 690V AC at 50/60Hz and 500V DC.
The breaking capacity according to UL 489 at 480V is 25kA.
The permanent rated current (Iu) is 40A, and the operational current at 40°C is also 40A.
This circuit breaker supports DIN Rail mounting.
Yes, the RoHS status is RoHS3 Compliant.
