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J-SERIES Miniature Pressure Switches

Low-Cost Switches with Non-Adjustable Set Points

Features:

• Tamperproof, factory-set, non-adjustable set points.? Fixed deadband. ? Environmentally sealed against dust, water, oil andsalt spray, e.g., for off-highway equipment.? Vented construction for stable set points throughoutoperating range.? Vibration and shock resistant to 10 G’s. ? Precision electrical snap-action switch. Proof pressure: 250 psig.(Consult factory for higher pressures).

General Description:

Process connection: J-Series miniature pressure switches have factory-set non-adjustable set points and fixed deadband, with diaphragm/piston sensor.J-Series switches are CSA approved and UL listed under “Industrial Control Equipment”.J-Series switches are sealed with specially compounded epoxy that maintains its sealing integrity from -40 to 250°F. Standard:1/8”NPT Ext, 1/8”NPT Int, 1/4”NPT Ext. Optional:1/4”NPT Int (eighth digit “3”).

Dimensions (inches)

J-Series PressureWith TerminalScrew ConnectionsWith Lead Wires

Standard Electrical Ratings

181 INCHDIA.3.5 1/8 NPT INTERNAL,1/8 NPT EXTERNAL OR 1/4 EXTERNAL 1 INCHDIA. 4 5 Amp Res., 125 VAC 5 Amp Res., 250 VAC 3 Amp Res., 28 VDC

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Pressure/Temperature Switch Catalog (506) - 181 %

Standard Temperature Ratings

Ambient: -4°F (-20°C) to 140°F (60°C) Fluid: -4°F (-20°C) to 180°F (82°C)

WettedMaterials

(Process Connection & Diaphragm)Standard:Brass and Buna “N”Optional Process Connections:? 316 SS (sixth digit “4”) ? Carbon steel (sixth digit “6”)Optional Diaphragms:? Viton (seventh digit “2”) ? Neoprene (seventh digit “3”) ? Ethylene propylene (seventh digit “6”) ? Fluorosilicone (seventh digit “7”)

Switch Options

Gold contacts for low power circuits:Add Suffix “P”Tight deadband, 25-50% reduction:Add Suffix “T” 11 Amp Res., 125 VAC contacts:Add Suffix “Y”
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