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This Siemens 3VA5 series molded-case circuit breaker, part number 3VA5140-5EC32-1AA0, is designed for system protection. It features a 3-pole configuration and a rated operational current of 40A at 40°C.
The circuit breaker operates at a rated voltage of 690V AC and provides a breaking capacity of 35kA at 480V, with other ratings available at different voltages. It includes overload protection with a fixed Ir of 40A and short-circuit protection with an adjustable Ii range of 5 to 10 times the rated current.
With a mechanical service life of typically 20,000 switching cycles and electrical endurance ratings varying by voltage and load conditions, this breaker is built for durability. It has a maximum power loss of 11.2W. The unit is designed for front connection and utilizes a nut keeper kit for secure connections.
Key technical specifications include a TM230 overcurrent release with LI protection function. The dimensions are 140mm in height, 76.2mm in width, and 76.5mm in depth. It is suitable for HACR type applications.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated operating voltage is 690 V AC.
The operational current rating is 40 A at 40°C.
The breaking capacity is 35 kA at 480 V.
This circuit breaker has 3 poles.
It uses a TM230 overcurrent release with LI protection function.
The typical mechanical service life is 20,000 switching cycles.