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The Siemens 3VA5280-7EC61-0AA0 is a robust molded-case circuit breaker from the 3VA5 series, engineered for reliable system protection. This 2-pole unit features a continuous current rating (Iu) of 80A and a significant breaking capacity of 100kA at 480V, ensuring safety in high-fault current situations.
With a maximum rated operational voltage of 690V AC and 500V DC, this circuit breaker is suitable for a wide range of industrial applications. It utilizes the TM230 overcurrent release with LI protection function, offering adjustable short-circuit protection from 400A to 800A (Ii). The breaker is designed for DIN rail mounting, facilitating easy installation in control panels and electrical enclosures.
Key electrical specifications include a 200kA breaking capacity at 240V and 110kA at 415V according to IEC 60947 standards. The mechanical service life is rated for a typical 20,000 switching cycles, while electrical endurance varies with load conditions. Its compact dimensions (185mm height, 105mm width, 83mm depth) make it a practical choice for space-constrained applications.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The continuous current rating (Iu) is 80 A.
The breaking capacity according to UL 489 at 480V is 100 kA.
The maximum rated operational voltage with AC 50/60Hz is 690 V.
This circuit breaker has 2 poles.
It supports DIN Rail mounting.
The adjustable response value for short-circuit protection (Ii) ranges from a minimum of 400 A to a maximum of 800 A.