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This Siemens 3VA5140-5ED21-1AA0 is a molded-case circuit breaker designed for system protection. It operates with a 40A rated current and offers a breaking capacity of 35kA at 480V, with other ratings available at different voltages.
The breaker has 2 poles and utilizes a TM210 overcurrent release with LI protection function. It is rated for a permanent current of 40A and has adjustable response currents for overload and short-circuit protection. The device is built for durability with a typical mechanical service life of 15,000 switching cycles.
Mechanical dimensions include a height of 140mm, width of 50.8mm, and depth of 76.5mm. It features IP40 protection on the front and is suitable for operation in ambient temperatures from -25°C. The circuit breaker is designed for DIN rail mounting and has a connection type described as 'Without connection'.
This model is also designated as HACR Type and meets UL 489 SB (naval) standards at 50°C. An optional motor drive accessory is available.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated operational current is 40A at 40°C, 45°C, and 50°C, with slight reductions at higher temperatures.
The breaking capacity is 35kA at 480V, 85kA at 240V, and 18kA at 600 Y/347 V.
This circuit breaker has 2 poles.
It features a TM210 overcurrent release with LI protection function.
The minimum operating ambient temperature is -25°C.
The mounting type is DIN Rail.