Schneider Electric (Barber Colman) AT-520-40 Setpoint Knob Kit

The Schneider Electric (Barber Colman) AT-520-40 Setpoint-Knob Kit is HVAC systems control part that allows the manual adjustment of temperature settings. This component is normally used in thermostats or controllers to provide precise regulation of conditional conditions. The kit is commonly used in air handling units, rooftop systems, and fan coils, and it provides durable, user control for maintaining comfort and efficiency. The setpoint knob kit provides constant indoor management which used in preserving energy savings and occupant comfort in all commercial and industrial ones.