Used in industries, building services, energy distribution, solar energy, automation and other areas. Fehlerstromschutzschalter FI 40A 30mA F202A, 12,56 Distribution Box CHENGPI With 4P FI Circuit Breaker Type A 40a 727481 Electrical Safety Enclosure China C40 RCBO B Type 40A 30mA RCD MCB C40 Type B 40Amp Circuit Breaker... ✅ Empty distributor: surface-mounted distributor with 3-row VA36CN structure: Series 1: surge protection terminal series 2: 1x FI 4P 40A, 1x 3P B16A circuit breaker, 5x 1x 1x B16A circuit breaker, 1x phase rail. Designed For External Mounting, This Surface-type Distribution Box Provides A Secure And Visible Housing For Your Circuitbreakers And Wiring The connection mechanism can effectively protect electrical devices to prevent potential hazards from overvoltage and leakage and ensure the reliability of the power supply and the safety of users.