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The Siemens 3VA5280-5EC32-1AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, designed for system protection applications. This breaker operates at a rated voltage of 690V AC and features an 80A operational current rating at 40°C, with derated values at higher temperatures.
It provides a breaking capacity of 35kA at 480V, 85kA at 240V, and 18kA at 600V, ensuring reliable protection against overloads and short circuits. The overcurrent release is of type TM230 with LI protection function. The breaker is UL489 listed and HACR Type.
With a mechanical service life of 20,000 switching cycles and electrical endurance ratings of up to 8,000 cycles, this circuit breaker is built for durability. It is designed for DIN rail mounting and features front connections with nut keeper kits. The dimensions are 185mm in height, 105mm in width, and 83mm in depth.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operating voltage is 690 V AC.
The current rating is 80 A at 40°C, 45°C, and 50°C, with slight reduction at higher temperatures.
The breaking capacity at 240 V is 85 kA.
It uses DIN rail mounting.
The mechanical service life is 20,000 switching cycles.