The ABB MJS6‑40B joystick is a momentary industrial control joystick actuator designed for use in modular operator control systems. It provides directional control input in four directions (up/down/left/right) and is typically mounted in control panels, machinery control consoles, or automation interfaces. The joystick handle is supplied without contact blocks, allowing customization by fitting the appropriate contact modules to suit specific control requirements. It is a versatile pilot device used for manual control of motion, directional commands, or menu navigation in industrial environments