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LF20-V vacuum switch is specifically designed to stand up to extended duty applications. This switch is factor y set. It features a fluorosilicone rubber diaphragm for compatibility with a wide variety of fluids, and various terminations including a Metri-Pack connector that forms a tight seal when connected. Among the outstanding design benefits are its durable construction, compact size, and enhanced set point integrity.
| Model | LF20-V |
| Media | Air |
| Pressure Set Point | Factor y set from 1.1 to 22 in/Hg vacuum |
| Max Operating Pressure | 30 in/Hg vacuum |
| Burst Pressure | 150 psi |
| Opeating Temperature Range | -40℃ to +120℃ |
| Switch Type | Direct action, blade contact |
| Electric Rating | Resistive: 15AMP-6VDC, 8AMP-12VDC, 4AMP-24VDC |
| Inductive: 1AMP-120VAC, 0.5AMP-240VAC | |
| Contact Arrangement | SPST-NO, NC |
| Terminal | #8-32 screws, 1/4" blade, Metri-Pack |
| Connection | 1/8"NPT Male, 1/4"NPT Male, G1/8"Male,G1/4"Male |
| Material | Contact: Silver alloy, gold plated; Base: Plated Steel; Cover: Glaee reinforced polyester; Diaphragm: Fluorosilicone elastomer |
| Options | Various base connector sizes, wire leads(potted & sealed) |
Conversion: 1kgf/cm²=14.2psi 1bar=14.5psi 1 in/Hg=0.49psi
| Number | Pressure Set Point Range | Circuitry | Base Material | Connection | Terminals | Cover |
| 0 | / | / | / | / | / | none |
| 1 | 1.1-3" Hg (15-41" H20) ± 0.5" Hg | SPST-NC | barss | 1/8NPT | 1/4 blade | cover A |
| 2 | 4-8" Hg ± 1" Hg | SPST-NO | plated steel | 1/4NPT | #8-32screws | cover B |
| 3 | 9-17" Hg ± 2" Hg | / | stainless steel | R1/8 | wire leads | / |
| 4 | 18-22" Hg ± 3" Hg | / | / | R1/4 | / | / |
| 5 | / | / | / | G1/8 | / | / |
| 6 | / | / | / | G1/4 | / | / |
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