Feature: 1. DURABLE PC MATERIAL: Good quality PC material, durable with long life. Possess high strength, wide operating temperature range, and good weather resistance 2. GOOD INTERFERENCE RESISTANT: Solid state relay support multi pulse trigger, possess strong interference resistant ability 3. STABLE DCB WELDING: Made with accurate technology, using DCB ceramic welding, has good stability, you can use with confidence 4. FOR HEATING AND LIGHTING: AC voltage regulator module is suitable for heating systems, electrical equipment, lighting systems, etc. 5. EASY INSTALLATION: Input voltage for 380VAC, and output for 40A 380VAC. Adopt bolt fixing mode, convenient and fast Specification: Item Type: 3 Phase Solid State Relay Material: PC Input Voltage: 380VAC Output: 40A 380VAC Control Current: 20mA On State Voltage Drop: ≤1.5V On State Leakage Current: 5mA Ambient Temperature: -30℃~75℃ Insulation Resistance: 1000MΩ/500VDC Fixing Method: Bolt fixing. Package List: 1 x 3 Phase Solid State Relay Note: 1. If the load is 10A, a radiator must be installed, and if the load is 40A or more, fan forced cooling or water cooling should be added.2. When using an inductive load, be sure to connect a varistor in parallel with the output end, the value of which is 1.6‑1.9 times the load voltage.