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The Siemens 3VA5280-7EC32-1AA0 is a high-performance molded-case circuit breaker from the SENTRON series, designed for robust system protection. This 3-pole breaker operates at a rated voltage of 690V AC and features an 80A operational current at 40°C, with a significant breaking capacity of 100kA at 480V.
Equipped with a TM230 overcurrent release and LI protection function, it provides reliable overload and fixed short-circuit protection, with adjustable settings for short-circuit protection from 5 to 10 times the rated current. The breaker is UL489 listed and HACR Type approved, making it suitable for various applications including HVAC systems.
Constructed for durability, it has a mechanical service life of 20,000 cycles and electrical endurance ratings that vary by voltage. The unit mounts on a DIN rail and features front connections with nut keeper kits. Its dimensions are 185mm in height, 105mm in width, and 83mm in depth, with a net weight of 2.252 kg.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated operating voltage is 690 V AC.
The operational current is 80 A at 40°C, 45°C, and 50°C.
The breaking capacity is 100 kA at 480 V and 200 kA at 240 V.
This is a 3-pole circuit breaker.
It uses the TM230 overcurrent release with LI protection function.
The dimensions are 185 mm in height, 105 mm in width, and 83 mm in depth.