Mechanical and electrical (443) Special switches (415) circuit breakers (410) Switch fittings-cap (135) LEDUPS And other types of power supply modules (107) Industrial relays (106) Relay socket socket accessories (83) Fittings of a machine (67) Screwdrivers/ tweezer/s wrench tools (61) LED lamp guide tube fittings (60) Push-key switches (54) Triggers (48) Other modules (41) LAN Telecom cable test (34) Switching power chips (32) Solid state relays (30) Delay timing relays (28) Power transformers (25) Rotation encoding switches (24) IO expanders (22) Data line/signal line (19) Circuit protection kits (19) Multiple Conductor Cables (16) Safety relays (13) Accessories of wire accessories (11) Power relays (11) Wireless modules (9) Ship type switches (9) Antennas (9) LEDs (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) RF coaxial connectors (1) Power connectors (1) Ethernet connectors (1) Tape labels (1) Speakers (1) Current transformers (1) Industrial control transformers (1) Signal relays (1) Pressure sensors (1) Coaxial cables (1) Industrial and electrical fuse (1) Fuse holders (1) Test and measurement (1)