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This Siemens 3VA5290-5EC36-0AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, designed for system protection applications. It features a nominal operational current of 90A at 40°C, with derated values at higher temperatures.
The circuit breaker provides a breaking capacity of 35kA at 480V according to UL 489 standards, and 55kA at 415V according to IEC 60947 standards. It operates at a rated insulation voltage of 800V and a maximum operational voltage of 690V AC. The overcurrent release is of type TM230 with LI protection function.
Mechanically, the unit has a typical service life of 20,000 switching cycles. Its dimensions are 185mm in height, 105mm in width, and 83mm in depth. The mounting type is DIN Rail, and it features a lever actuator.
General technical data includes a maximum power loss of 25W and an active power loss per pole of 8.2W. The electrical endurance varies with voltage and load conditions, with 8,000 cycles at 380/415V AC-1 and 4,000 cycles at 690V AC-1.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated insulation voltage is 800 V.
The maximum operational voltage with DC is 750 V, and the rated operating voltage at AC is 690 V.
The operational current is 90A at temperatures up to 50°C, derating at higher temperatures.
The breaking capacity according to UL 489 is 35 kA at 480 V.
The breaking capacity according to IEC 60947 is 55 kA at 415 V.
The dimensions are 185 mm in height, 105 mm in width, and 83 mm in depth.
It is designed for DIN Rail mounting.