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  13. Pressure Switch, Standard, SPDT, 1/8" FNPT, 1.0 to 3.0 in H2O Range, Steel
Dwyer Instruments Pressure Switch, Standard, SPDT, 1/8" FNPT, 1.0 to 3.0 in H2O Range, Steel 1638-2 - main

Pressure Switch, Standard, SPDT, 1/8" FNPT, 1.0 to 3.0 in H2O Range, Steel

  • Mfr # 1638-2

  • Zoro # G3219520

product price: $556.14
/ea
Free Shipping & Returns

Key Features

Action
Standard
Contact Form
SPDT
Pressure Connection Type
1/8" FNPT
Range
1.0 to 3.0 in H2O
Housing Material
Steel
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Specifications

Product Information

MFR #
1638-2
Zoro #
G3219520
UPC #
-
Country of Origin
United States

Dimensions

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

Details

Item
Pressure Switch
Action
Standard
Contact Form
SPDT
Pressure Connection Type
1/8" FNPT
Range
1.0 to 3.0 in H2O
Housing Material
Steel
Standards
CSA, FM, UL Listed
Application
Air Conditioning, Duct Heater Control
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
Electrical Connection
Screw Terminals
Material
Steel
Mounting Orientation
Vertical
Minimum Operating Temperature
-30 Degrees F
Number of Switches
1
Housing Type
Conduit Box
Pressure Setpoint Type
Adjustable
Pressure Type
Differential
Mounting Hole Center to Center Distance
3 in
Weight
3 lb
Input Voltage
120 to 480V AC, 125V AC, 250V AC
Maximum Differential Pressure Setting
3 in wc
Maximum Operating Temperature
110 Degrees F
Maximum Pressure Rating
10 psig
Sample Line Connector Type
NPT
Product Type
Differential Pressure Switch
Minimum Pressure Setting
1 in wc
Maximum Pressure Setting
3 in wc
Agency Approvals
CSA, FM, UL.
Repeatability
±1%.
Switch Type
SPDT.
Set Point Adjustment
Screw type with enclosed scale.
Temperature Limits
-30 to 110°F (-34.4 to 43.3°C).
Service
Air and non-combustible, compatible gases.

Description

Pressure Switch, Application Air Conditioning, Duct Heater Control, Contact Form SPDT, Electrical Connection Type Screw Terminals, Electrical Rating 1/4 hp @ 250 V AC, 60 Hz, 15 A @ 120 to 480 V AC, 60 Hz, Resistive 1/8 hp @ 125 V AC, Housing Material Steel, Housing Material Finish Zinc Plated, Housing Type Conduit Box, Input Voltage 120 to 480V AC, 125V AC, 250V AC, Maximum Differential Pressure Setting 3 in wc, Maximum Operating Temperature 110 Degrees F, Maximum Pressure Rating 10 psig

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