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This Siemens 3VA5290-6ED31-1AA0 is a 3-pole molded-case circuit breaker from the SENTRON series, designed for system protection. It has a rated operational current of 90A at 40°C and a significant breaking capacity of 65kA at 480V, with other ratings available at different voltages.
The circuit breaker utilizes the TM210 overcurrent release with LI protection function, offering overload protection set at Ir=90A and fixed short-circuit protection at Ii=10 x In. It is UL 489 listed and HACR Type.
With a mechanical service life of typically 20,000 switching cycles and electrical endurance ratings up to 8,000 cycles at 480V, this breaker is built for durability. It operates within an ambient temperature range of -25°C to 70°C and has an IP40 protection class on the front.
The unit measures 185 mm in height, 105 mm in width, and 83 mm in depth. It is designed for DIN rail mounting and comes without a connection for the main current circuit.
| 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 at 40°C is 90A, and the permanent assigned current (Iu) is also 90A.
The breaking capacity is 65kA at 480V, 100kA at 240V, and 25kA at 600Y/347V.
It features TM210 overcurrent release with LI protection function, including overload protection (Ir=90A) and fixed short-circuit protection (Ii=10 x In).
The operating temperature range is from -25°C to 70°C.
The ingress protection rating on the front is IP40.
The typical mechanical service life is 20,000 switching cycles.