Potter Brumfield KA-4009-3 Plug-in Relay is a plug-in device designed to switch electrical circuits in control panels and automation equipment. It features a 45v-dc coil, providing the energization voltage needed to operate the relay contacts. The KA-4009-3 designation identifies this exact unit from Potter Brumfield, supporting replacement or integration in systems that specify the model. This relay offers straightforward plug-in installation for quick, reliable circuit switching in appropriate electrical assemblies.
