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This Siemens 3VA5190-5ED31-1AA0 is a molded-case circuit breaker designed for system protection. It features a 3-pole configuration with a permanent rated current (Iu) of 90A, maintaining this rating up to 50°C ambient temperature. The circuit breaker provides overload protection with an adjustable response value (Ir) of 90A and fixed short-circuit protection (Ii) at 10 times the nominal current, with adjustable limits from 900A to 900A.
With a breaking capacity of 35kA at 480V and 85kA at 240V, this breaker is suitable for various applications. It is designed for DIN rail mounting and has a mechanical service life of typically 15,000 switching cycles. The operating voltage is rated up to 690V, and it meets UL 489 standards, including HACR Type suitability.
Environmental specifications include an operating temperature range starting from -25°C and a front protection class of IP40. The breaker does not have communication or other measurement functions. It is designed without connection for the main current circuit and has 0 CO contacts for auxiliary circuits. An optional motor drive accessory is available.
| 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, 45°C, and 50°C is 90A. The permanent rated current (Iu) is also 90A.
The voltage rating is 690V.
The breaking capacity at 480V is 35kA.
It has 3 poles.
It is designed for DIN Rail mounting.
The minimum operating ambient temperature is -25°C.