Feature: 1. Smart Design: Composed of moving and static main contacts, auxiliary contacts, arc extinguishing cover, bracket shell and so on. 2. Good Control: AC contactor can turn on or off the power supply, and work as the automatic switch that the manual switch cannot do. 3. Stable Works: The maximum current that the AC contactor can pass in a short time is 20A, ensuring safe and stable work performance. 4. Wide Utility: Mainly applied for long distance connection, breaking circuit and frequent start on motors and other equipment, etc. 5. Easy to Install: Comes with a compact size and a light weight, the DIN rail installation is very convenient to complete in minutes. Specification: Item Type: AC Contactor Model: 3TF40 Material: PA66 + Thermosetting Plastic Features: 2 normally open and 2 normally closed (2NO+2NC). Frequency: 50Hz Rated Insulation Voltage (Ui): AC 660V The Maximum Current Value (Ith) That The AC Contactor Can Pass in A Short Time: 20A 220V 380V 500V 660V 2.2kw 4.0kw 5.5kw 5.5kw 3HP 5HP 7.5HP 7.5HP . Package List: 1 x AC Contactor