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The Siemens SENTRON 3VA5280-6EF31-0AA0 is a 3-pole molded-case circuit breaker designed for system protection. It operates with a rated operational voltage of up to 690V AC and 750V DC, and has a permanent rated current (Iu) of 80A.
This circuit breaker offers a breaking capacity of 65kA at 480V and 100kA at 240V according to UL 489 standards. It features adjustable overload protection (Ir) from 56A to 80A and adjustable short-circuit protection (Ii) from 400A to 800A. The overcurrent release type is TM240 with LI protection function.
With a mechanical service life of 20,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 480V, this breaker is built for durability. Its dimensions are 185mm in height, 105mm in width, and 83mm in depth, suitable for DIN rail mounting.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The maximum rated operational voltage for this circuit breaker is 690 V AC.
The permanent rated current (Iu) is 80 A, and the operational current at 40°C is also 80 A.
The breaking capacity according to IEC 60947 at 415V is 70 kA, and according to UL 489 at 480V is 65 kA.
This circuit breaker is designed for DIN rail mounting.
The adjustable response current for overload protection (Ir) ranges from 56 A to 80 A, and for short-circuit protection (Ii) ranges from 400 A to 800 A.