M4301 Single Point Level Switch (100 WATT SPST)

Powerful Buna-N float switch delivering reliable vertical-level control.
High-power 100 W SPST switching
Vertical 1/4″ NPT with compact design
Buna-N float for hydrocarbon resistance
The M4301 Single Point Level Switch offers robust vertical-level control using a high-power 100 W SPST switch and a durable Buna-N float for compatibility with hydrocarbon media. Its brass stem and compact 1/4" NPT design deliver reliable performance up to 150 PSI. Certified with CE, CSA, and cULus approvals and backed by a one-year warranty with a 5-day lead time, it’s built for dependable industrial use. MadisonSensor prefers quote requests for price or specification verification and can craft custom solutions to fit your precise application requirements.
| Sensor Type | Float |
|---|---|
| Orientation | Vertical |
| Mounting Type & Size | 1/4" NPT |
| Float Material | Buna-N |
| Stem Material | Brass |
| 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, MTW insulated |
| Float Diameter | 1.25" |
| Slosh Shield | No |
| Approvals | CE, CSA LR56150, cULus E54633, Prop 65 |
| Lead Time | 5 Business Days |
| Warranty | 1 Year |
