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This Siemens 3VA5111-5ED31-1AA0 is a 3-pole molded-case circuit breaker from the 3VA series, designed for system protection and line applications. It features a permanent rated current of 110A and a maximum rated operational current of 125A. The circuit breaker offers a breaking capacity of 35kA at 480V and is UL 489 listed, including SB (naval) and HACR Type ratings.
Key electrical specifications include overload protection set at Ir=110A and fixed short-circuit protection at Ii=10 x In. The device has a maximum power loss of 25.4W. Mechanical endurance is rated at a typical 15,000 switching cycles, with electrical endurance varying by voltage, such as 8,000 cycles at 380/415V AC-1.
The physical dimensions are 140mm in height, 76.2mm in width, and 76.5mm in depth. It is designed for DIN rail mounting and has a front protection class of IP40. The operating ambient temperature ranges from a minimum of -25°C.
| 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 is 110 A, and the maximum rated operational current of the frame size is 125 A. The operational current at 40°C is 110 A.
The breaking capacity is 35 kA at 480 V, 85 kA at 240 V, and 18 kA at 600 Y/347 V.
The voltage rating is 690 V.
The dimensions are 140 mm in height, 76.2 mm in width, and 76.5 mm in depth.
The minimum operating ambient temperature is -25 °C.