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This Siemens SENTRON 3VA5 series molded-case circuit breaker, part number 3VA5180-4EF36-0AA0, is a 3-pole device designed for system protection applications. It operates with a rated voltage of 690V AC and has an operational current rating of 80A at 40°C, with derated values at higher temperatures.
The circuit breaker offers a breaking capacity of 25kA at 480V according to UL 489 standards and 55kA at 240V according to IEC 60947 standards. It features TM240 overcurrent release with LI protection function, adjustable from 64A to 80A for overload and 5 to 10 times In for short-circuit protection.
With a mechanical service life of 20,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 380/415V, this breaker is built for durability. It is suitable for HACR Type applications and mounts via DIN rail.
Key electrical specifications include an insulation voltage of 800V and a maximum operational voltage of 500V DC. Power loss is rated at a maximum of 19.3W, with active power loss per pole at 6.43W under hot operating conditions.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operational current rating is 80A at 40°C.
The rated operating voltage at AC is 690 V.
The breaking capacity at 480 V is 25 kA.
This is a 3-pole circuit breaker.
It supports DIN Rail mounting.
The typical mechanical service life is 20,000 switching cycles.