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This Siemens 3VA5 series molded-case circuit breaker, part number 3VA5180-4EF41-0AA0, is a 4-pole unit designed for system protection applications. It operates with a maximum rated operational voltage of 690V AC and 600V DC, and has a permanent rated current (Iu) of 80A at 40°C.
The breaker offers adjustable overload protection (Ir) from 63A to 80A and adjustable short-circuit protection (Ii) from 5 to 10 times the rated current. Its breaking capacity according to IEC 60947 standards is 36kA at 415V and 5kA at 690V. Under UL 489 standards, the breaking capacity is 25kA at 480V and 14kA at 600Y/347V.
With a mechanical service life of typically 15,000 switching cycles and electrical endurance ratings of 8,000 cycles at 380/415V and 4,000 cycles at 690V, this circuit breaker is built for durability. It is designed for DIN rail mounting and features a lever actuator.
Key electrical specifications include an insulation voltage of 800V and a maximum power loss of 17.7W. The overcurrent release type is TM240 with LI protection function. It is also listed as HACR Type.
| 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 600 V with DC.
The breaking capacity according to UL 489 at 480V is 25 kA.
The permanent rated current (Iu) is 80 A.
This circuit breaker is designed for DIN Rail mounting.
This breaker offers LI protection function for overcurrent release, with adjustable overload protection (Ir) from 63A to 80A and adjustable short-circuit protection (Ii) from 5 to 10 times the rated current.