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This Siemens SENTRON 3VA5 series molded-case circuit breaker, part number 3VA5111-5EC31-1AA0, is designed for system protection. It is a 3-pole breaker with a permanent rated current (Iu) of 110A and a maximum rated operational current of 125A.
The breaker offers a breaking capacity of 35kA at 480V and 18kA at 600Y/347V, with a switching capacity class of M. The overcurrent release is of type TM230 with LI protection function. Adjustable short-circuit protection is available with Ii ranging from 550A to 1100A.
With a mechanical service life of typically 15,000 switching cycles and electrical endurance up to 8,000 cycles at 380/415V, this circuit breaker is built for durability. It has a maximum power loss of 25.4W. The dimensions are 140mm in height, 76.2mm in width, and 76.5mm in depth. It features IP40 protection on the front and operates within an ambient temperature range of -25°C to 70°C.
Mounting can be done via DIN rail, cable, or panel. It is compliant with various standards including UL, VDE, CCC, and EAC. An optional motor drive can be added.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The permanent rated current (Iu) is 110A, and the maximum rated operational current of the frame size is 125A.
The breaking capacity is 35kA at 480V, 85kA at 240V, and 18kA at 600Y/347V.
The dimensions are 140mm in height, 76.2mm in width, and 76.5mm in depth.
The minimum operating ambient temperature is -25°C.
The IP protection class on the front is IP40.
No, it does not have a communication function.
The typical mechanical service life is 15,000 switching cycles.