3VA5120-5EC31-1AA0
Siemens
The Siemens 3VA5120-5EC31-1AA0 is a 3-pole molded-case circuit breaker with a 20A current rating and a 35kA breaking capacity at 480V. It is designed for DIN rail mounting.
| Category | |
| Manufacturer Name | |
| Actuator Type | |
| Approval Agency | |
| Current Rating | |
| Current Rating (Amps) | |
| Illumination | |
| Mounting Type | |
| Number of Poles | |
| Storage Temperature | |
| Tape & Reel | |
| Voltage Rating |
The Siemens 3VA5120-6EC31-1AA0 is a 3-pole molded-case circuit breaker from the SENTRON series, designed for system protection. It offers a permanent rated current of 20A and a significant breaking capacity of 65kA at 480V, with other ratings available at different voltages.
This circuit breaker is built with a TM230 overcurrent release and LI protection function. It supports HACR Type applications and is suitable for DIN rail mounting. The mechanical design includes dimensions of 5.5 inches in height, 3 inches in width, and 3 inches in depth.
General technical data includes a maximum power loss of 12W and an active power loss of 4W per pole under rated conditions. The mechanical service life is typically 15,000 switching cycles, with electrical endurance varying based on voltage and load conditions, such as 8,000 cycles at AC-1 for 380/415V and 480V.
Environmental conditions specify an IP40 protection class on the front and an operating ambient temperature range from -25°C. The unit is designed without connection for the main current circuit and has 0 CO contacts for auxiliary circuits. It also supports optional motor drive extensions.
| 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 current at 480V is 65 kA.
This circuit breaker has 3 poles.
The mounting type is DIN Rail.
The minimum ambient operating temperature is -25 °C.
The voltage rating is 690 V.
