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This Siemens 3VA5 molded-case circuit breaker, part number 3VA5290-5EC31-2AA0, is a 3-pole unit designed for system protection applications. It features an operational current of 90A at 40°C and a rated operating voltage of up to 690V AC or 750V DC.
The breaker provides a maximum short-circuit breaking capacity (Icu) of 55 kA at 415V and 35 kA at 480V according to UL 489 standards. It is equipped with a TM230 overcurrent release with LI protection function, offering adjustable short-circuit protection (Ii) from 5 to 10 times the rated current (In).
Designed for DIN rail mounting, this circuit breaker has a mechanical service life of typically 20,000 operating cycles and an electrical endurance of 8,000 cycles at 480V. Its insulation voltage is rated at 800V.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated operating voltage is 690 V AC and 750 V DC.
The operational current is 90 A at 40°C.
The maximum short-circuit current breaking capacity (Icu) is 55 kA at 415V and 35 kA at 480V (UL 489).
This circuit breaker is designed for DIN rail mounting.