3VA5120-4ED12-1AA0
Siemens
The Siemens 3VA5120-4ED12-1AA0 is a 1-pole molded-case circuit breaker designed for system protection. It offers a 20A operational current and a 25kA breaking capacity at 277V.
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This Siemens 3VA5120-5ED12-0AA0 is a 1-pole molded-case circuit breaker from the 3VA5 series, designed for system protection applications. It operates with a rated insulation voltage of 500V and a maximum operational voltage of 125V DC or 415V AC.
The breaker has an operational current rating of 20A at 40°C, with derating at higher temperatures. It offers a breaking capacity of 35kA at 277V according to UL 489 standards and 5kA at 415V according to IEC standards. The overcurrent release type is TM210 with LI protection function.
Designed for DIN rail mounting, this circuit breaker has a compact mechanical design with dimensions of 140mm height, 25.4mm width, and 76.5mm depth. It is suitable for HACR, HID, and SWD type applications.
Key electrical endurance specifications include 8,000 switching cycles at 380/415V AC-1 and 4,000 switching cycles at 690V AC-1. The mechanical service life is typically 20,000 switching cycles.
| 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 20A at 40°C and 45°C, derating to 18A at 70°C.
The breaking capacity is 35kA at 277V according to UL 489, and 5kA at 415V according to IEC.
The rated operating voltage is 415V AC.
This circuit breaker has 1 pole.
It uses DIN rail mounting.
The typical mechanical service life is 20,000 switching cycles.
