AFS-460 Johnson Controls Air Flow Switch
$77.40
Air Pressure Sensing Switch, 0.40″ ± 0.06″ – 12″ w.c., 1/4″ OD Sample Line Connection, SPST Normally Closed Contact Arrangement, Manual Reset, For Use with Air, 1/2 Psi Max Pressure
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.
| Weight | 2 lbs |
|---|---|
| Dimensions | 7 × 5 × 4 in |
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