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This Siemens 3VA5120-4EF36-0AA0 is a 3-pole molded-case circuit breaker designed for system protection. It operates within a rated voltage of 690V AC and features a current rating of 20A at 40°C, with derated values at higher temperatures.
The circuit breaker provides a breaking capacity of 25kA at 480V according to UL 489 standards and 55kA at 240V according to IEC 60947 standards. It is equipped with a TM240 overcurrent release and LI protection function.
Designed for DIN rail mounting, this component has a mechanical service life of 20,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 480V. It supports HACR, HID, and SWD type applications.
Key electrical specifications include an insulation voltage of 800V and a maximum power loss of 12.2W. The unit weighs 0.794 kg.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated operational voltage for this circuit breaker at AC is 690 V.
The operational current rating at 40°C is 20 A.
The breaking capacity according to UL 489 at 480V is 25 kA.
This circuit breaker is designed for DIN rail mounting.
The typical mechanical service life is 20,000 switching cycles.