M4500 Single Point Level Switch (Normally Closed)
Compact float switch enabling fail-safe level cutoff in vertical tanks.
Miniature 1/8″ NPT design
Durable brass stem with Buna-N float
Normally closed SPST — reliable shutdown
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The M4500 Single Point Level Switch offers dependable vertical liquid detection in a compact 1/8″ NPT design, featuring a Buna-N float and brass stem tailored for hydrocarbon and general-purpose fluids. Its normally closed SPST operation ensures fail-safe control for level-driven shutdowns, while support for 150 PSI and full compliance with CE, CSA, and cULus standards underline its reliability. Backed by a one-year warranty and just one-day lead time, MadisonSensor encourages quote requests for price and specification verification and delivers custom-engineered solutions to fit unique application needs.
| Sensor Type | Float |
|---|---|
| Orientation | Vertical |
| Mounting Type & Size | 1/8" NPT |
| Float Material | Buna-N |
| Stem Material | Brass |
| Switch Logic | Normally Closed |
| Switch Rating | 30 WATT SPST |
| Electrical Ratings | 240V AC, 0.14A; 120V AC, 0.28A; 120V DC, 0.07A; 24V DC, 0.28A |
| Temperature (Max-Celsius) | 105 |
| Temperature (Max-Fahrenheit) | 221 |
| Maximum Pressure (BAR) | 11 |
| Maximum Pressure (PSI) | 150 |
| Minimum Media SG | 0.56 |
| Electrical Termination | 24”, 22 AWG, Teflon insulated |
| Float Diameter | 1" |
| Slosh Shield | No |
| Approvals | CE, CSA LR56150, cULus E54633, Prop 65 |
| Lead Time | 1 Business Day |
| Warranty | 1 Year |