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The Siemens 3VA5120-6ED21-1AA0 is a 2-pole molded-case circuit breaker from the 3VA5 series, designed for system protection. It has a permanent rated current of 20A and an operational current of 20A at 40°C, with a maximum frame size current rating of 125A.
This circuit breaker offers a breaking capacity of 65kA at 480V and 25kA at 600Y/347V. It features an LI overcurrent protection function with an adjustable short-circuit response current (li) from 300A to 300A. The device has a mechanical service life of 15,000 switching cycles and electrical endurance ratings of up to 8,000 cycles at 480V.
Mechanically, the 3VA5120-6ED21-1AA0 has dimensions of 5.5 inches in height, 2 inches in width, and 3 inches in depth. It is designed for DIN rail mounting and has an IP40 protection class on the front. An optional motor drive accessory is available.
Environmental conditions include an operating ambient temperature range from -25°C to a maximum value not specified in the provided data. The circuit breaker is RoHS3 compliant, has an MSL of 1, and is REACH unaffected.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The permanent rated current is 20 A, and the operational current at 40°C is also 20 A.
The breaking capacity at 480V is 65 kA.
This circuit breaker has 2 poles.
It supports DIN Rail mounting.
The minimum operating ambient temperature is -25 °C.
Yes, it is RoHS3 Compliant.