Visual Set Point Adjustment, Adjustable Null Zone
Floating Contact Null Switch for High and Low Actuation which applies to damper positioning and duct air control. For use with air or compatible gases.
Features
-
Floating “null” switch supports applications requiring two set point actions such as open and close damper control
-
Visible set point indicator simplifies operation and trouble shooting
-
Large diaphragm provides low range accuracy providing precise control
Product Applications
-
Damper positioning
-
Duct air control
Specifications
-
Service: Air and non-combustible, compatible gases.
-
Wetted Materials: Consult factory.
-
Temperature Limits: -30 to 110°F (-34.4 to 43.3°C).
-
Pressure Limits: 10 psig (68.95 kPa) continuous, 25 psig (172.4 kPa) surge.
-
Switch Type: SPDT.
-
Electrical Rating: Non-inductive: 2.5 A @ 110 VAC, 1.5 A @ 220 VAC, 1 A @ 24 VDC, 0.5 A @ 110 VAC; Inductive: 1 A @ 110 VAC, 0.5 A @ 220 VAC, 0.5 A @ 24 VDC. (De-rate 70-80% for very slow pressure changes.)
-
Electrical Connections: 3 screw type, common, normally open and normally closed.
-
Process Connections: 1/8" female NPT.
-
Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
-
Set Point Adjustment: Screw type.
-
Weight: 4 lb 13 oz (2.18 kg).
-
Agency Approvals: CE.