XB5 Contact Block 1NO The XB5 Contact Block 1NO is a replacement contact block designed for compatible control switches, push buttons and panel-mounted electrical controls. With a single normally open contact arrangement, it is suitable for applications where the circuit needs to close when the switch or button is operated. Contact blocks are an important part of control panels and automation systems, as they provide the switching function behind the visible button, selector or control head. If the original block becomes worn, damaged or unreliable, the connected equipment may fail to respond correctly, work intermittently or stop operating as intended. Replacing it with the XB5 Contact Block 1NO helps restore dependable switching and supports reliable control panel operation. This contact block is useful for dairy farms, engineers and service teams carrying out repairs, fault finding or planned maintenance on compatible wash systems, pump controls, parlour equipment and automation panels. The 1NO configuration may be used where a signal or control circuit needs to be made when activated, depending on the design of the equipment. The XB5 Contact Block 1NO is a practical electronic
