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This Siemens 3VA5 series molded-case circuit breaker, part number 3VA5280-6EC36-1AA0, is engineered for system protection applications. It features a 3-pole configuration with a rated operational current of 80A at 40°C, derating to 70.4A at 70°C. The breaker provides a significant breaking capacity of 65kA at 480V and operates at a rated voltage of up to 690V AC.
Designed with a TM230 overcurrent release and LI protection function, this circuit breaker ensures reliable overload and short-circuit protection. It supports HACR Type applications according to UL 489 standards. The unit has a mechanical service life of 20,000 cycles and electrical endurance ratings varying by voltage and load conditions.
Mechanical dimensions include a height of 185mm, width of 105mm, and depth of 83mm. It is designed for front connection with circular conductor terminals on both sides, accommodating stranded conductors from 6 AWG to 350 kcmil. The mounting type is DIN Rail.
| 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 at AC is 690 V.
The breaking capacity current at 480 V is 65 kA.
The operational current at 50 °C is 80 A.
This circuit breaker has 3 poles.
The mounting type is DIN Rail.