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The Siemens 3VA5280-5EC31-0AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, designed for system protection. It has a permanent rated current (Iu) of 80A and a maximum rated operational voltage of 690V AC and 750V DC.
This circuit breaker offers a breaking capacity of 35kA at 480V according to UL 489 standards, and 55kA at 415V according to IEC 60947. The overcurrent release type is TM230 with LI protection function. It is designed as a HACR Type breaker for HVACR applications.
With a mechanical service life of 20,000 switching cycles and electrical endurance ratings of up to 8,000 cycles, this breaker is built for durability. Its dimensions are 7.3 inches (185 mm) in height, 4.1 inches (105 mm) in width, and 3.3 inches (83 mm) in depth. It is suitable for DIN rail mounting.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The maximum rated operational voltage for this circuit breaker is 690 V with AC 50/60Hz and 750 V with DC.
The breaking capacity according to IEC 60947 is 55 kA at 415 V and 7 kA at 690 V. According to UL 489, it is 35 kA at 480 V and 18 kA at 600 Y/347 V.
The permanent rated current (Iu) is 80 A, and the operational current is 80 A at temperatures up to 50 °C.
The dimensions are 7.3 inches (185 mm) in height, 4.1 inches (105 mm) in width, and 3.3 inches (83 mm) in depth.
This circuit breaker is designed for DIN rail mounting.