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This Siemens 3VA5140-5EF32-0AA0 is a 3-pole molded-case circuit breaker from the 3VA51 series, designed for system protection. It operates with a rated voltage of 690V and a current rating of 40A at 40°C, with a maximum breaking capacity of 35kA at 480V according to UL 489 standards.
The circuit breaker utilizes a TM240 trip unit with LI protection function, offering adjustable overload protection (Ir) from 32A to 40A and adjustable short-circuit protection (Ii) from 5 to 10 times the rated current. It has a mechanical service life of 20,000 switching cycles and electrical endurance ratings of 8,000 cycles at 380/415V and 4,000 cycles at 690V.
With a compact design, the dimensions are 76.2mm in width, 140mm in height, and 76.5mm in depth. It is suitable for DIN rail mounting and features a rocker lever actuator. The device is built-in and designed for front-side connection.
Key electrical specifications include a rated insulation voltage of 800V and a maximum power loss of 11.2W. The active power loss per pole in hot operating state is 3.73W. This breaker is HACR Type compliant.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated voltage is 690 V.
The operational current is 40 A at 40°C.
The breaking capacity according to UL 489 is 35 kA.
It uses the TM240 trip unit with LI protection function.
The dimensions are 76.2 mm width, 140 mm height, and 76.5 mm depth.
Yes, it is suitable for DIN rail (top hat rail) mounting.