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  13. Pressure Switch, Standard, SPDT, 1/8" FNPT, 0.20 to 1.0 in H2O Range, Steel
Dwyer Instruments Pressure Switch, Standard, SPDT, 1/8" FNPT, 0.20 to 1.0 in H2O Range, Steel 1638-1 - main

Pressure Switch, Standard, SPDT, 1/8" FNPT, 0.20 to 1.0 in H2O Range, Steel

  • Mfr # 1638-1

  • Zoro # G0562521

product price: $628.99
/ea
Free Shipping & Returns

Key Features

Action
Standard
Contact Form
SPDT
Pressure Connection Type
1/8" FNPT
Range
0.20 to 1.0 in H2O
Housing Material
Steel
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Specifications

Product Information

MFR #
1638-1
Zoro #
G0562521
UPC #
-
Country of Origin
United States

Dimensions

Sample Line Connection Size
1/8 in
Overall Diameter
7 7/8 in
Mounting Hole Diameter
5/16 in

Details

Item
Pressure Switch
Action
Standard
Contact Form
SPDT
Pressure Connection Type
1/8" FNPT
Range
0.20 to 1.0 in H2O
Housing Material
Steel
Standards
CE, CSA, FM, RoHS, UL Listed
Application
Air Conditioning, Duct Heater Control, Industrial HVAC
Electrical Connection
Screw Terminals
Process Connection
1/8" female NPT.
Features
Visible set point indicator simplifies operation and trouble shooting; Large diaphragm provides low range accuracy providing precise control; Current loads of up to 15 amps supports most small electrical loads supporting a broader range of HVAC and Process applications without the need for additional relays and components
Material
Steel
Mounting Orientation
Vertical
Pressure Setpoint Type
Adjustable
Product Type
Pressure Switch
Minimum Operating Temperature
-30 Degrees F
Maximum Differential Pressure Setting
1 in wc
Maximum Operating Temperature
110 Degrees F
Sample Line Connector Type
NPT
Mounting Hole Center to Center Distance
3 in
Weight
3 lb
Pressure Type
Differential
Maximum Pressure Setting
1 in wc
Minimum Pressure Setting
0.2 in wc
Maximum Pressure Rating
10 psig
Repeatability
±1%.
Service
Air and non-combustible, compatible gases.
Switch Type
SPDT.
Set Point Adjustment
Screw type with enclosed scale.
Temperature Limits
-30 to 110°F (-34.4 to 43.3°C).
Agency Approvals
CSA, FM, UL.

Description

Large Diaphragm Pressure Switch, Application Air Conditioning, Duct Heater Control, Industrial HVAC, Contact Form SPDT, Electrical Connection Type Screw Terminals, Electrical Rating 1/4 HP @ 250 V AC, 60 Hz, 1/8 HP @ 125 V AC, 15 A @ 120 to 480 V AC, 60 Hz Resistive, Housing Material Steel, Maximum Differential Pressure Setting 1 in wc, Maximum Operating Temperature 110 Degrees F, Maximum Pressure Rating 10 psig, Maximum Pressure Setting 1 in wc, Minimum Differential Pressure Setting 0.2 in wc

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