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The Siemens 3VA5280-7EC36-1AA0 is a 3-pole molded-case circuit breaker from the SENTRON series, designed for system protection applications. This breaker operates at a rated voltage of 690V AC and features an 80A operational current, with a breaking capacity of 100kA at 480V and 200kA at 240V.
It utilizes the TM230 overcurrent release with LI protection function. The breaker is built for durability, with a typical mechanical service life of 20,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 480V. The unit is designed for front connection with circular conductor terminals on both sides, accommodating conductor cross-sections from 6 AWG to 350 kcmil.
With dimensions of 185mm height, 105mm width, and 83mm depth, this circuit breaker is suitable for DIN rail mounting. It meets UL489 standards and is designated as HACR Type. The maximum power loss is rated at 20W.
| 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 for this circuit breaker is 690 V AC.
The operational current at 40°C is 80 A.
The breaking capacity at 480V is 100 kA.
The typical mechanical service life is 20,000 switching cycles.
The dimensions are 185 mm height, 105 mm width, and 83 mm depth.
This circuit breaker uses DIN Rail mounting.