BEA16-4 is a close coupler coupling unit designed for mounting manual motor protectors to AF series contactors. It enables direct mechanical connection between MS116 and MS132 manual motor protectors and AF contactors, providing a compact and integrated motor protection solution. The coupling unit is compatible with MS116 models ranging from 0.16 A to 25 A and MS132 models from 0.16 A to 25 A when used with AF contactors. This accessory simplifies installation and reduces panel space requirements in motor control applications, making it ideal for industrial automation and motor starter assemblies.