Resideo Honeywell R8285A1048 Fan Center/Relay Transformer, SPDT, 120V

Resideo Honeywell R8285A1048U Fan Centre is used in single-or two speed fan Motors in heating, cooling, or air conditioning systems. Provides low voltage control of line voltage fan motors and auxiliary circuits in heating, cooling, or air conditioning systems. Transformer powers low voltage control systems and provides overload protection. Low voltage terminal board provides convenient connections for thermostat and heating/cooling equipment wiring. Mounts on standard 4 x 4 in. junction box. Relay(R8222B) is easily replaced without disturbing wiring.