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This Siemens 3VA5 molded-case circuit breaker, part number 3VA5190-6ED12-1AA0, is a 1-pole device designed for system protection applications. It features a rated operational current of 90A at 40°C, with derated values at higher temperatures up to 70°C.
The breaker provides a breaking capacity of 50kA at 277V and 100kA at 120V, conforming to UL489 standards. It includes overload protection (TM210, FTFM) with a fixed short-circuit protection setting of Ii=10 x In and an overload setting of Ir=90A.
Designed for DIN rail mounting, this circuit breaker has a compact mechanical design with dimensions of 140mm height, 25.4mm width, and 76.5mm depth. It utilizes front connections with nut keeper kits on both ends for main current circuits, accommodating conductor cross-sections from 12 x 1 mm up to 17 x 6.5 mm.
Additional technical data includes a maximum power loss of 7.13W, a typical mechanical service life of 20,000 switching cycles, and electrical endurance ratings of 8,000 cycles at 380/415V AC-1.
| 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 90A at 40°C, derating to 79A at 70°C.
The breaking capacity is 50kA at 277V and 100kA at 120V according to UL489.
This is a 1-pole circuit breaker.
It supports DIN rail mounting.
The rated operating voltage at AC is 415V.
The overcurrent release has LI protection function, with overload protection set at 90A and short-circuit protection at Ii=10 x In.