Function: 1. 2. Good control: AC contactor can turn power on or off and operate jako automatic switch, which manual switch cannot do. 3. Stable operation: The maximum current that the AC contactor can flow in a short time is 20A, ensuring safe and stable operation. 4. Wide tool: mainly used do long distance connections, circuit interruption and frequent start-up of motors and other equipment, etc. 5. Easy to install: ma compact size and light weight, installation on the DIN rail is very convenient do complete in minutes. Specification: Item Type: AC Contactor Model: 3TF40 Material: PA66 thermoset plastic Features: 2 normally open and 2 normally closed (2NO2NC). Frequency: 50Hz Rated insulation voltage (Ui): AC 660V Maximum current value (Ith) that the AC contactor can pass in a short time: 20A 220V 380V 500V 660V 2,2 kW 4,0 kW 5,5 kW 5,5 kW 3KM 5KM 7,5KM 7,5KM How to use: Remove the product, install it on the power box and connect the do use. List of packages: 1 x AC Contactor