This Harmony XB4 contact block operates with 4 directions and uses screw-clamp terminals.It has a chromium-plated metal bezel.This contact block is pre-mounted to a body fixing collar and allow fast and easy replacement and configuration of your joystick controllers with 4-direction operation.It is easily installed and replaced on XB4 complete joystick controllers and connects to control circuits with simple screw-clamp connections.It protects operators from unexpected contact with live circuits thanks to its IP20 protection index.1 million cycle high endurance allows less maintenance and damage in your installation.It has clear color scheme for NO and NC contact block types.