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The Siemens 3VA5140-5ED31-0AA0 is a 3-pole molded-case circuit breaker designed for system protection. It features a permanent rated current (Iu) of 40A and a maximum rated operational voltage of 690V AC.
This circuit breaker offers a breaking capacity of 35kA at 480V according to UL 489 standards, and 55kA at 415V according to IEC 60947. The overcurrent release is of type TM210 with LI protection function. It has a mechanical service life of typically 15,000 switching cycles and an electrical endurance of 8,000 cycles at 380/415V.
With a compact design, the breaker has dimensions of 5.5 inches in height and 3 inches in width and depth. It is suitable for DIN rail mounting. The insulation voltage is rated at 800V.
Key electrical specifications include adjustable response current for overload protection (Ir) from 28A to 40A and for short-circuit protection (Ii) from 400A to 400A. The maximum power loss is 10.1W.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The maximum rated operational voltage for this circuit breaker is 690 V AC at 50/60 Hz and 500 V DC.
The permanent rated current (Iu) is 40 A, and the operational current at 40°C is also 40 A.
The breaking capacity according to UL 489 is 35 kA at 480 V.
The circuit breaker measures 5.5 inches (140 mm) in height, 3 inches (76.2 mm) in width, and 3 inches (76 mm) in depth.
This circuit breaker uses DIN Rail mounting.