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Lefoo pressure switch LF20 series is factory set but capable of adjustable high pressure and low pressure settings.It features different diaphragms that meet various of fluid medias. Common Pressure range 0.5~24 PSI, and 25~150 PSI. For more selections of mechanical pressure switch, click here.
| Model | LF20 |
| Medium | Air,water,motor oils, transmission oils,jet fuel,other hydrocarbon media. |
| Factory Setting Pressure | 0.5~150 psi |
| Maxium pressure | 150psi or 250psi |
| Tollorant Pressure | 500 psi |
| Bust Pressure | 750 psi or 1250 psi |
| Temperature Range | -40 ℃ ~120℃ |
| Switch type | Blade contact direct actions |
| Resistive Electric Rating | 15Amp-6vDC, 8Amp-12vDC, 4Amp-24vDC |
| Inductive Electric Rating | 1Amp-120vDC, 0.5Amp-240vDC |
| Contact Arrangement | (B)BSPST-NC, SPST-NO,SPDT-NO-C-NC,SPST-NO (adjustable),SPDT-NO-C-NC (adjustable) |
| Terminal | #8-32 screws,1/4" blade |
| Connection | 1/8 -27NPT Male,1/4 NPT,R1/8,R1/4,G1/8,G1/4 |
| Material | Silver alloy,gold plated,brass base, glass reinforced polymer cover,polymide diaphragm piece |
| Options | Plate steel, plastic base, 304/306 steel base, optional conector thread size |
| wire leads(potted& sealed); Teflone / EPDM diaphragm | |
| Unit Conversion | 1kgf/cm² =14.2 psi, 1bar=14.5psi |
| Pressure Set Range | Circuitry | Basic Material | Connection | Terminals | Cover |
| Factory Setting 10 PSI | (B)BSPST-NC SPST-NO SPDT-NO-C-NC SPST-NO (adjustable) SPDT-NO-C-NC (adjustable) | (C)Brass Plated steel | (D)1/8 NPT 1/4 NPT R1/8 R1/4 G1/8 G1/4 | (E)1/4 blade #8-32 screws wire leads | None (F)Cover A Cover B Eco-Resin |
| 0.5-1psi±0.3psi | |||||
| 1.1-3psi±0.5psi | |||||
| 3.1-7psi±0.1psi | |||||
| (A)8psi~13psi±2psi | |||||
| 14-24psi±3psi | |||||
| 25~50psi±5psi | |||||
| 51-90psi±7psi | |||||
| 91-150psi±10psi |
Example ABCDEF LF20/8psi~13psi±2psi/BSPST NC/Brass/1/8 NPT/1/4 blade/Cover A
Durable construction, compact size, and enhanced set point integrity.
Capable for a variety of fluids, and various terminations such as Metri-Pack connector.
capable for High-pressure Industries 100,000 to 200,000 times of using span
Like the other kind of Lefoo pressure switch, Pressure Switch LF20 has wide application.
Available for the application of pool, spa, anti-skid braking system, water pump system, dental equipment, air compressors, off-road equipment, other pressure control systems.
Also available for high-pressure industries.
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