Product Description
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The LF20-H pressure switches are robust, compact and designed to operate in harsh environments at various pressures. Because of its special internal design this switch can tolerate high pressure spikes inherent on many pressure systems. The switch is factory calibrated but in the case that adjustment is needed in the field the switch offers an adjustment screw to facilitate any fine tuning required. The standard diaphragm employed is polyimide making it compatible with many gases and liquids. Several other diaphragm materials are available that make the switch compatible with many mediums. Various electrical terminations are available including tabs and a metric-pack connector that forms a tight seal when connected. Because of their r edness the LF20-H is a popular choice for the many OEM applications.Screw Terminals
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Series No.
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LF20-H
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Media
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Air,motor oils, transmission oils, jet fuels and other similar hydrocarbon media; water (provide with special diaphragm material)
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Pressure Set Point
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Factory set from 10 to 400 PSI
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Max Operating Pressure
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500 PSI
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Proof Pressure
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2000PSI
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Burst Pressure
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Operating Temperature Range
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-40° C to ~ 120° C
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Switch Type
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Direct action, blade contact
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Electric Rating
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Resistive: 15 AMP- 6 VDC
8 AMP- 12 VDC
4 AMP- 24 VDC
Inductive: 1 AMP- 120 VAC
0.5 AMP- 240 VAC
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Contact Arrangement
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SPST-N.O., N.C.,
SPDT
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Terminals
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#8-32 screws, 1/4" blade, Metri-Pack
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1/8"NPT Male, 1/4"NPT Male, G1/8" Male, G1/4" Male |
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Material
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Contact: Silver alloy, gold plated
Base: Plated Steel;
Cover: Glass reinforced polyester
Diaphragm:Polyimide film (other materials is optional according to media)
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| Options |
Base connector thread sizes; wire leads (potted & sealed); N.O./N.O. dual circuit and N.C./N.C. dual circuit
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Conversion: 1Kgf/cm2 = 14.2PSI , 1Bar = 14.5PSI
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