Edwards 481B Plug-In Relay, 120V, is a compact plug-in relay used to switch electrical circuits. The model 481B identifies this Edwards device within the company's plug-in relay lineup, highlighting its convenient plug-in installation. Operated from a 120-volt supply, it serves as a straightforward switching element for line-voltage control circuits in electrical systems. The plug-in form factor enables quick installation and replacement in compatible equipment, reducing downtime during maintenance. In general, plug-in relays like the 481B are chosen for their simple integration into control panels and equipment that require reliable, discrete switching of 120V loads.
