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This Siemens SENTRON 3VA5 series molded case circuit breaker, part number 3VA5190-5EC31-1AA0, is designed for system protection applications. It features a 3-pole configuration with a rated operational current of 90A at 40°C, derating to 81.2A at 70°C. The circuit breaker offers a significant breaking capacity of 35kA at 480V, ensuring safety under fault conditions.
The tripping mechanism is thermal magnetic, with adjustable short-circuit protection (Ii) ranging from 450A to 900A. It has a mechanical service life of 15,000 cycles and electrical endurance ratings of up to 8,000 cycles at 380/415V. The unit is rated for a maximum AC voltage of 690V.
With a width of 76.2mm, height of 140mm, and depth of 76.5mm, it is suitable for various installations. The protection class on the front is IP40, and it operates within an ambient temperature range of -25°C to 70°C. This circuit breaker is also designed as a HACR Type for heating, air conditioning, and refrigeration applications.
Compliance includes UL489 and IEC standards. The mounting type is fixed, and it is designed for line protection.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The breaking capacity is 35kA at 480V, 85kA at 240V, and 18kA at 600V.
The operational current rating is 90A at 40°C, which derates to 81.2A at 70°C.
The rated AC voltage is 690V.
It uses a thermal magnetic tripping mechanism.
The operating ambient temperature range is from -25°C to 70°C.
The protection class on the front is IP40.