M4500-NO Single Point Level Switch (Normally Open)
Miniature float switch with normally-open logic for level-based alarm activation.
Compact 1/8″ NPT threaded design
Buna-N float with hydrocarbon compatibility
Normally-open SPST for alarm activation
The M4500-NO Single Point Level Switch offers reliable vertical-level detection with a compact brass stem and Buna-N float ideal for hydrocarbon environments. Its normally open SPST logic ensures system alarms or alerts trigger as fluid levels rise, enhancing safety. Engineered for up to 150 PSI and rated for 221°F, it meets CSA and cULus standards while delivering a dependable one-year warranty. With a 5-day lead time, MadisonSensor prefers quote requests for pricing or specification confirmation and provides custom solutions tailored to your operational demands.
| Sensor Type | Float |
|---|---|
| Orientation | Vertical |
| Mounting Type & Size | 1/8" NPT |
| Float Material | Buna-N |
| Stem Material | Brass |
| Switch Logic | Normally Open |
| 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 | 5 Business Days |
| Warranty | 1 Year |