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This Siemens SENTRON 3VA5 series molded-case circuit breaker, part number 3VA5145-6ED31-1AA0, is a 3-pole device designed for system protection. It features a current rating of 45A and a voltage rating of 690V AC.
The circuit breaker provides a breaking capacity of 65kA at 480V, with other ratings including 100kA at 240V and 25kA at 600Y/347V. The overcurrent release function is LI, with fixed short-circuit protection set at 10 x In. Adjustable current limits range from 32A to 45A for 'lg' and 450A for 'li'.
With a maximum power loss of 10.2W, the device has a typical mechanical service life of 15,000 cycles and electrical endurance ratings of up to 8,000 cycles at 380/415V. It has a mechanical height of 140mm (5.5 in), width of 76.2mm (3 in), and depth of 76.5mm (3 in).
Environmental specifications include an operating temperature range from -25°C to 70°C and an IP40 protection class on the front. This model is HACR Type certified and offers optional motor drive functionality.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operational current rating is 45A at 40°C, with derated values at higher temperatures.
The breaking capacity is 65kA at 480V, 100kA at 240V, and 25kA at 600Y/347V.
The rated operational voltage is 690V AC.
The dimensions are 140mm in height, 76.2mm in width, and 76.5mm in depth.
The operating temperature range is from -25°C to 70°C.
The protection class on the front is IP40.