Supplies Push Button Switches | Selector Switches | Relays | Relay Bases | Terminal Block | Electrical Enclosures | DIN Rail | Wire Duct | Stack Lights | Light Curtains Pneumatic... items. Electrical switches and other pilot devices can be supplied by Control Resources. Pendant switches, pushbutton switches, lighted indicators all fall into this category...Control Resources: Pneumatic , motion control, robotics and electrical... Providing pneumatic automation, motion control, robotics, and electrical controls to machinery builders...