This head for selector switch is a separate component of the range of control and signaling units, Harmony XB4, metal, diameter 22mm. It has a chromium-plated metal bezel. It is supplied with black key operated knob. It is easily combined with Harmony range of contact blocks to perform a large variety of control functions. It features 2 positions maintained, at 90°. It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP66 / IP67 / IP69 / IP69K, making it ideal for operation in harsh environments.
