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Floating contact null switch, range 3.0-12.0inwc, adj. null span, .04 min. set, .20 max
Mfr # 1640-10
Zoro # G610389226
product price:Â $933.99
/ea
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Key Features
Switch Type
SPDT.
Mounting Orientation
Diaphragm in vertical position. Consult factory for other position orientations.
Pressure Limits
10 psig (68.95 kPa) continuous, 25 psig (172.4 kPa) surge.
Set Point Adjustment
Screw type.
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
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Specifications
Product Information
MFR #
1640-10
Zoro #
G610389226
UPC #
-
Country of Origin
United States
Details
Switch Type
SPDT.
Mounting Orientation
Diaphragm in vertical position. Consult factory for other position orientations.
Pressure Limits
10 psig (68.95 kPa) continuous, 25 psig (172.4 kPa) surge.
Set Point Adjustment
Screw type.
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
Service
Air and non-combustible, compatible gases.
Agency Approvals
CE.
Electrical Connections
3 screw type, common, normally open and normally closed.
Temperature Limits
-30 to 110°F (-34.4 to 43.3°C).
Process Connections
1/8" female NPT.
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.)
Description
Floating contact null switch, range 3.0-12.0in w.c., adj. null span, .04 min. set, .20 max. Set.
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