The White-Rodgers 90-170 contactor is a heavy-duty 3-pole HVAC contactor engineered for demanding commercial and industrial applications

This is a manual reset limit switch

allowing for precise modulating control of fresh air dampers and exhaust fans based on actual occupancy levels

Whether you are addressing a U4 communication error or an A1 indoor PCB defect

Eaton Cutler-Hammer XTOB004CC1 Overload Relay 320788-703 The White-Rodgers 90-170 contactor isThe Eaton Cutler Hammer XTOB004CC1 Overload Relay is a precision engineered bimetallic thermal sensing unit designed for reliable protection of three phase motors. Specifically engineered for the XT Series Frame C ecosystem, this Class 10 trip relay ensures circuit interruption within 10 seconds or less during locked rotor or overload conditions, effectively preventing winding damage. With an adjustable FLA range of 2. 4 4A, it provides the