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The Siemens 3VA5120-4EC36-0AA0 is a 3-pole molded-case circuit breaker from the 3VA5 series, designed for system protection applications. It operates at a rated voltage of 690V AC and has a maximum operational voltage of 500V DC.
This circuit breaker offers an operational current of 20A at 40°C and 45°C, with a maximum power loss of 12.2W. It provides a breaking capacity of 25kA at 480V according to UL 489 standards and 55kA at 240V according to IEC 60947 standards. The overcurrent release type is TM230 with LI protection function.
Designed for DIN rail mounting, this breaker has a mechanical service life of 20,000 switching cycles. It is compliant with UL 489 for HACR, HID, and SWD types. The unit weighs 1.017 kg.
Key electrical specifications include a fixed short-circuit protection setting of 7.5 to 15 times the rated current (In). The insulation voltage is rated at 800V.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operating voltage for this circuit breaker is 690 V AC.
The operational current is 20 A at 40°C and 45°C.
The breaking capacity according to UL 489 is 25 kA at 480 V.
This circuit breaker has 3 poles.
This circuit breaker supports DIN Rail mounting.
