Terminal Block, Relay Module, Pilot Lamp manufacturer / supplier in China, offering Cost-Effective 34-Position I/O Adapter: European Plug-in Connector with Screw Terminal Blocks, European-Style Connector with Screw Clamps for Reliable I/O Wiring 30pin, High-Density 26 Pin Connector: Plug-in Design with Removable Screw Terminal Blocks and so on.