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This Siemens SENTRON 3VA5 series molded-case circuit breaker, part number 3VA5217-7EF36-0AA0, is engineered for system protection applications. It features a 3-pole configuration and a rated operational current of 175A at 40°C, with a maximum operating voltage of 690V AC.
The breaker provides a significant breaking capacity, rated at 100kA according to UL 489 standards at 480V, and 110kA according to IEC 60947 standards at 415V. The overcurrent release is designed with TM240 and offers LI protection functionality, with an adjustable response current range from 123A to 175A.
Designed for DIN rail mounting, this circuit breaker has a mechanical service life of typically 20,000 switching cycles. Its dimensions are 185mm in height, 105mm in width, and 83mm in depth. The unit is compliant with UL 489 standards and is suitable for HACR Type applications.
Key electrical specifications include a maximum power loss of 35W and an active power loss of 11.7W per pole at rated current in hot operating state. Electrical endurance varies by voltage, 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 operational current rating is 175A at 40°C.
The rated insulation voltage is 800V, the maximum rated operational voltage with DC is 750V, and the rated operating voltage at AC is 690V.
According to UL 489, the breaking capacity is 100kA at 480V. According to IEC 60947, it is 200kA at 240V, 110kA at 415V, and 10kA at 690V.
This circuit breaker is designed for DIN rail mounting.
The typical mechanical service life is 20,000 switching cycles.
