Zhejiang LEFOO Industrial Co., Ltd.

home products Extend Duty Pressure Switches LF20-H high pressure switch

LF20-H high pressure switch

Product Details:

Max. Working Pressure 500PSI
Max. Voltage 240VAC
Place of Origin China (Mainland)
Brand Name LEFOO
Model Number LF20-H

Detailed Product Description


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 ruggedness the LF20-H is a popular choice for the many OEM applications.

Series No. LF20-H
 MediaAir,motor oils, transmission oils, jet fuels and other similar     hydrocarbon media;  water (provide with special d iaphragm material)
 Pressure Set Point Factory set from 10 to 400 PSI
 Max Operating Pressure 500 PSI  
 Proof Pressure 2000PSI
 Burst Pressure 4000PSI
 Operating Temperature Range-40° C to ~ 120° C
 Switch TypeDirect action, blade contact
 Electric RatingResistive: 15 AMP- 6 VDC                8 AMP- 12 VDC                4 AMP- 24 VDC Inductive: 1 AMP- 120 VAC                0.5 AMP- 240 VAC
 Contact Arrangement SPST-N.O., N.C.,  SPDT
 Terminals #8-32 screws, 1/4" blade, Metri-Pack
 Connection 1/8"NPT Male, 1/4"NPT Male, G1/8" Male, G1/4" Male
 MaterialContact: Silver alloy, gold plated Base: Plated Steel; Cover: Glass reinforced polyester Diaphragm:Polyimide film (other materials is optional according to media)
 Options Base connector thread sizes; wire leads (potted & sealed);   N.O./N.O. dual circuit and N.C./N.C. dual circuit

LF20-H high pressure switch LF20-H high pressure switch

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Company Info

Zhejiang LEFOO Industrial Co., Ltd.
[China (Mainland)]
[Verified Member]

City: Wenzhou
Province/State: Zhejiang
Country/Region : China (Mainland)

Business Type:Manufacturer

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