AFS-460 Johnson Controls Air Flow Switch

Part number AFS-460 from Johnson Controls, listed in Wire Ferrules & Lugs. KKM Solutions quotes this part with pricing and availability confirmed per order.

Overview The Johnson Controls AFS-460 is a general-purpose, airflow-proving differential pressure switch designed for HVAC and energy management applications. It features a manual operator reset that requires intervention following actuation, making it suitable for systems requiring an operator interface. It can sense positive, negative, or differential air pressure. Features Manual reset button to close the switch after actuation. Adjustable setpoint range. Plated housing containing a diaphragm and calibration spring. Snap-acting SPST-NC switch configuration. Enclosure cover protects against accidental contact with live switch terminal screws and the setpoint adjusting screw. Specifications Adjustable Range: 0.4 to 12.0 inches water column (w.c.) Maximum Pressure: 0.5 psi (0.03 bar) Contact Arrangement: SPST Normally Closed (NC) Electrical Rating: 15 A at 125, 250, or 277 VAC; 1/4 hp at 125 VAC Sample Line Connections: Integral compression ferrule and nut accepting 0.25-inch OD rigid tubing Conduit Connection: Accepts 0.5-inch conduit connection (7/8-inch opening) Mounting Orientation: Diaphragm must be mounted in a vertical plane Applications Proving fan status and airflow presence. Monitoring filters for excess pressure drop. Monitoring duct static pressure. Managing damper status within HVAC systems.