Mechanical and electrical (441) Special switches (422) circuit breakers (404) Switch fittings-cap (125) LEDUPS And other types of power supply modules (104) Industrial relays (100) Relay socket socket accessories (77) Fittings of a machine (65) LED lamp guide tube fittings (61) Screwdrivers/ tweezer/s wrench tools (60) Push-key switches (53) Triggers (43) Other modules (41) LAN Telecom cable test (34) Switching power chips (32) Solid state relays (30) Delay timing relays (28) Power transformers (24) Rotation encoding switches (24) IO expanders (22) Data line/signal line (19) Multiple Conductor Cables (15) Circuit protection kits (15) Safety relays (13) Power relays (12) Accessories of wire accessories (10) Wireless modules (9) Ship type switches (9) LEDs (8) Antennas (8) Electronic wires/connecting lines (6) Backboard connectors (4) Connector accessory kits (4) Adjustable resistance potentiometers (4) The SDMicro-SDT-Flash card (3) Development board kits (3) USB connectors (2) Screw connection terminals (2) Screw-fastener hardwares (2) The AC-DC power supply modules (2) LCD display modules (2) D-Sub connection accessories (1) Power connectors (1) Ethernet connectors (1) Tape labels (1) Speakers (1) Current transformers (1) Industrial control transformers (1) Signal relays (1) Rotation band switches (1) Fiber optic transceivers (1) Pressure sensors (1) Coaxial cables (1) Industrial and electrical fuse (1) Fuse holders (1) Test and measurement (1)