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General Description:
The SIEMENS QPD15.050 is an adjustable pressure switch designed to safely monitor low to medium gas pressure in burner, boiler, and industrial gas systems.

Technical Specifications:

  • Adjustable Pressure Range: 2.5 – 50 mbar

  • Max Operating Pressure: 150 mbar

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

  • Contact Type: SPDT (Single-pole double-throw)

  • Protection Rating: IP54

  • Ambient Temperature Range: -15 °C ... +80 °C

  • Connection Type: Ø6 mm hose fitting

  • Hysteresis: Approx. 0.6 mbar

  • Recommended Mounting Position: Vertical

Applications:

  • Gas pressure control in combustion systems

  • Burners and boilers

  • Industrial gas safety circuits

  • Heating and drying systems

Advantages:

  • Wide adjustment range

  • Precise and reliable operation

  • Simple installation

  • Complies with CE and EN safety standards