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This Siemens 3VA5112-5ED31-1AA0 is a 3-pole molded-case circuit breaker designed for system protection. It features a rated operational current of 125A and a maximum voltage rating of 690V.
The circuit breaker has a breaking capacity of 35kA at 480V, with other ratings including 85kA at 240V and 18kA at 600Y/347V. The overcurrent release is type TM210 with LI protection function, and it includes fixed short-circuit protection with an adjustable response value of 1250A.
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 has a maximum power loss of 29.1W.
The unit is designed for DIN rail mounting and has a front protection class of IP40. Its dimensions are 140mm in height, 76.2mm in width, and 76.5mm in depth. The operating temperature range is from -25°C.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The current rating is 125A at 40°C, 45°C, and 50°C, decreasing slightly at higher temperatures.
The maximum voltage rating is 690V.
The breaking capacity is 35kA at 480V.
This circuit breaker has 3 poles.
The minimum operating ambient temperature is -25°C.
It is designed for DIN rail mounting.