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LF20-V Pressure Switch

Brand: Mamco

The LF20- V pressure switch is specifically designed to stand up to extended duty applications. 

This switch is factory set. It features a fluorosilicone rubber diaphragm for compatibility with a wide variety of fluids and various terminations including a Metric Pack connector that forms a tight seal when connected. 

The LF20 Vacuum switch benefits from its durable construction, compact size and enhanced set point integrity.
Features
  • Fluorosilicone diaphragm makes it compatible with many mediums
  • Many electrical and thread connections are available
  • Durable, high-performance switch for versatile applications

Specifications

Brand

Electrical Contacts

  • Normally Closed
  • Normally Open

Adjustment Type

  • Factory Set (Pre-Set)

Set Point - Increasing

  • bar: 0.04 to 0.75
  • Inches Hg: 1.1 to 22
  • Inches WC: 14.95 to 299
  • kPa: 3.7 to 74.5
  • psi: 0.54 to 10.8

Set Point - Decreasing

  • bar: 0.04 to 0.75
  • Inches Hg: 1.1 to 22
  • Inches WC: 14.95 to 299
  • kPa: 3.7 to 74.5
  • psi: 0.54 to 10.8

Electrical Rating

  • Inductive: 0.5 A at 240 Vac
  • Inductive: 1 A at 120 Vac
  • Resistive: 15 A at 6 Vdc
  • Resistive: 4 A at 24 Vdc
  • Resistive: 8 A at 12 Vdc

Operating Temperature

  • -40° to 120° C (-40° to 248° F)

System Pressure

  • Inches Hg: -30 to 0

Diaphragm Material

  • Fluorosilicone Elastomer

BSP Connection

  • G 1/4” Male
  • G 1/8” Male
  • 1/4” BSPT Male
  • 1/8” BSPT Male

NPT Connection

  • 1/4” NPT Male
  • 1/8” NPT Male

Switch Type

  • Blade Contact
  • Direction Action
  • SPST

Electrical Connectors

  • 1/4” Blade
  • 8 to 32 Screw Terminal
  • Metri-Pack

Media

  • Air
  • Hydrocarbons
  • Jet Fuels
  • Motor Oils & Transmission Oils
  • Water

Pressure Type

  • Vacuum

Operating Pressure

  • Maximum

Burst Pressure

  • psi: 150 (kPa, 1,034, bar: 10.34)

Cover Material

  • Glass Reinforced Polyester

Materials of Construction

  • Base Material: Brass
  • Base Material: -Plated Steel
  • Base Material: Stainless Steel
  • Contact Material: Gold-Plated
  • Contact Material: Silver Alloy

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