SIEMENS QPL15.500B 100-500 MBAR PRESSOSTAT

General Description:
The SIEMENS QPL15.500B is an adjustable gas pressure switch designed to monitor medium to high gas pressure levels. It is ideal for use in burner, boiler, and industrial gas control systems for safety monitoring.

Technical Specifications:

• Adjustable Pressure Range: 100 – 500 mbar

• Max Operating Pressure: 500 mbar

• Operating Temperature: -15 °C ... +80 °C

• Electrical Rating: 250 V AC, 50/60 Hz, 6 A (resistive load)

• Contact Type: 1 x SPDT (Changeover contact)

• Protection Class: IP54

• Connection Size: G1/4" male thread or hose connection

• Hysteresis: ~5-10 mbar

• Mounting Position: Vertical preferred, horizontal possible

Applications:

• Gas burners and boiler control systems

• Industrial heating applications

• Overpressure and leakage safety monitoring

• Combined gas control panels

Advantages:

• Wide adjustment range

• Durable and reliable operation

• Compact design, easy to install

• Enhanced precision control