M7801 Float Switch
High-capacity 100 W NC float switch (PBT/Buna-N), rated to 221 °F / 150 PSI, fast 5-day delivery.
Buna-N float with rugged PBT stem
High-power 100 W SPST, normally-closed operation
Rated to 221 °F / 150 PSI, built for reliability
The M7801 Float Switch features a robust PBT stem and chemical-resistant Buna-N float for dependable single-point level control. Its normally-closed, 100 W SPST switch logic is ideal for fail-safe monitoring. Rated to withstand 221 °F (105 °C) and 150 PSI, and approved to CE, CSA, UL, and Prop 65 standards, this vertical switch suits fuel, hydraulic, and transmission applications—though it should not be used in hot water above 65 °C. MadisonSensor offers this with a 1-year warranty and recommends requesting a quote to confirm pricing and specifications, plus we offer custom configurations to meet demanding OEM needs.
| Sensor Type | Float |
|---|---|
| Orientation | Vertical |
| Mounting Type & Size | 1/4" NPT |
| Float Material | Buna-N |
| Stem Material | PBT |
| Switch Logic | Normally Closed |
| Switch Rating | 100 WATT SPST |
| Electrical Ratings | 240 VAC, 0.40A; 120 VAC, 1.00A; 120 VDC, 0.40A; 24 VDC, 1.00A |
| 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 | 1.25" |
| Slosh Shield | No |
| Approvals | CE, CSA LR56150, cULus E54633, Prop 65 |
| Lead Time | 5 Business Days |
| Warranty | 1 Year |