SiemensPressure Switches
QPLx5.xxxB Pressure Switch
QPLx5.xxxB pressure switch for gas and air monitoring.
Technical Specifications
| Parameter | Specification |
|---|---|
| Device type | Gas pressure switch |
| Function | Monitoring of minimum or maximum gas pressure |
| Switching principle | Mechanical diaphragm with microswitch |
| Typical switching range | Model-dependent (low-pressure gas applications) |
| Standards & approvals | CE marked; compliant with EN 1854 (model-dependent) |
Notes
- Used for gas pressure monitoring in burner gas trains
- Ensures burner lockout in case of insufficient or excessive gas pressure
- Typical applications: industrial and commercial gas burners and boilers
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