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This Siemens 3VA5 molded-case circuit breaker, part number 3VA5280-5EC31-2AA0, is a 3-pole device designed for system protection applications. It features an operational current rating of 80A at 40°C, with a maximum insulation voltage of 800V and an operating voltage of up to 690V AC.
The circuit breaker provides overload protection with an adjustable response current (Ir) of 80A and short-circuit protection with an adjustable response current (Ii) from 5 to 10 times In. It boasts a breaking capacity of 35 kA at 480V according to UL 489 standards and 55 kA at 415V according to IEC 60947.
Designed for DIN rail mounting, this breaker has a mechanical service life of 20,000 operating cycles and an electrical endurance of 8,000 cycles at AC-1 and 380/415V. The overcurrent release type is TM230 with LI protection function.
| 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 40 °C.
The rated operating voltage at AC is 690 V.
The breaking capacity according to UL 489 at 480 V is 35 kA.
It is designed for DIN Rail mounting.
It offers LI protection function for the overcurrent release.