Feature: 1. This AC contactor with unique 4-position switch supports manual control and automatic operation setting. 2. Space-optimized and improved performance, 70% volume reduction compared to traditional contactors. 3. Energy-saving and environmentally friendly, reduces energy consumption, 75% lower than traditional contactors. 4. Super quiet, operating noise below 15 dB, quiet and safe to use. 5. Reliable electromagnetic system ensures fast response and switching. 6. Excellent contact system has good electrical conductivity. 7. Unique design for gas arc extinguishing ensures electrical safety. Specification: Element type: AC contactor Rated voltage (Ue): 400VAC Frequency: 50Hz Electrical life: 100,000 times Maximum number of connections: 100 times/day Insulation voltage (Ui): 500VAC Pollution level: 2 Rated impulse voltage (Uimp): 2.5 kV (4 kV at 12/24/48 VAC) Protection class (IEC 60529): IP20 (IP40 after installation in electrical panel) Operating temperature: -5 ℃~+60 ℃ Storage temperature: -40 ℃~+70 ℃ Heat and humidity resistance (IEC60068.1): Category 2 (95% RH at 55 ℃) Optional: 4NO, 2NO 2NC Packing list: 1 x AC contactor