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This Siemens SENTRON 3VA5 series molded case circuit breaker, part number 3VA5280-7EC31-1AA0, is designed for robust line protection in industrial applications. It is a 3-pole unit with a current rating of 80A and a significant breaking capacity of 100 kA at 480V, ensuring safety under fault conditions.
The circuit breaker utilizes the TM230 trip unit with LI protection functionality, offering adjustable short-circuit protection (Ii) from 5 to 10 times the rated current. It is built with a UL frame size of 250A and is suitable for HACR type applications.
With a mechanical service life of up to 20,000 cycles and electrical endurance ratings of 8,000 cycles at 380/415V and 480V, this breaker is designed for durability. It operates within a wide ambient temperature range of -25°C to 70°C and has an IP40 protection class on the front. The unit is designed for fixed mounting and offers an optional motor drive extension for added flexibility.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The Siemens 3VA5280-7EC31-1AA0 circuit breaker has a current rating of 80A.
The breaking capacity of the 3VA5280-7EC31-1AA0 at 480V is 100 kA.
The 3VA5280-7EC31-1AA0 circuit breaker has 3 poles.
The rated AC voltage for this circuit breaker is 690V.
The TM230 trip unit offers LI protection.
The typical mechanical service life of this circuit breaker is 20,000 switching cycles.
The operating temperature range for the 3VA5280-7EC31-1AA0 is -25°C to 70°C.