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This Siemens 3VA5280-5EF36-0AA0 is a molded-case circuit breaker designed for system protection. It features a 3-pole configuration, an 80A operational current rating, and a rated operational voltage of 690V AC.
The circuit breaker has a breaking capacity of 35kA at 480V according to UL 489 standards, and 55kA at 415V according to IEC 60947 standards. It is equipped with TM240 overcurrent release and LI protection function. The device supports HACR Type operation.
With a mechanical service life of 20,000 switching cycles, this circuit breaker is built for durability. It has a maximum power loss of 20W and an active power loss of 6.8W per pole. The dimensions are 185mm in height, 105mm in width, and 83mm in depth. Mounting is via DIN rail.
Key electrical specifications include a rated insulation voltage of 800V and a maximum rated operational voltage of 750V DC. The adjustable response current ranges from 56A to 80A.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operational current is 80 A at temperatures up to 50 °C, derating to 70.4 A at 70 °C.
The rated operational voltage is 690 V AC, with a maximum rated operational voltage of 750 V DC.
According to UL 489, the breaking capacity is 35 kA at 480 V. According to IEC 60947, it is 55 kA at 415 V and 7 kA at 690 V.
This circuit breaker is designed for DIN rail mounting.
It features TM240 overcurrent release with LI protection function.