The quenched alloy spring has a strong and rapid resilience, which can improve work efficiency. Containing a silver contact copper parts that has high conductivity, this AC connector is stable and durable. It is made of high quality ABS and metal materials, with good performance and wide application. Its length is 8cm, width is 4cm, height is 7.5cm. It is widely used for long-distance connecting and breaking circuit , frequent start and control AC electric motors. Item Name: AC Contactor Material:ABS,Metal Ambient Temperature: -5 Degrees Celsius -40 Degrees Celsius Rated Voltage: 690V Rated Current: 12A Mechanical Life: 36 (Million Times) Specification: 1: 24V, 2: 36V, 3: 48V, 4: 110V, 5: 220V, 6: 380V Main Contact Form: Silver Contacts Auxiliary Contact Type: Silver Contacts Working Elevation: 2000M Air Extinguishing Medium: Air Type Number of Main Contact Poles: 3 Poles Main Contact Control Circuit: AC Contactor Number of Normal Open Main Contacts: 3 Coil Voltage: 24V-380V Coil Frequency: 50Hz/60Hz Heating Current: 25A Electrical Life: 12 (Million Times) Size:8cmx5.1cmx9.6cm/3.15inx2.01inx3.78in Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. The voltage nameplate of non-main contact marks the working voltage of the coil; If the coil voltage is 24V, then A1.A2 should not be matched to the non-24V voltage line, the wrong connection will cause the coil not to work or to burn. Package Includes: 1 X AC Relay 1 X User Manual