The Kromschröder DG 150U-3 (Part No. 84447500 / S84447500) is an adjustable pressure switch designed to monitor low gas and air pressures. It activates or changes its electrical contacts when...
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The Kromschröder DG 150U-3 (Part No. 84447500 / S84447500) is an adjustable pressure switch designed to monitor low gas and air pressures. It activates or changes its electrical contacts when the pressure reaches a preset switching point, making it suitable for burner systems, industrial gas equipment, ventilation systems, and combustion control applications. The switching point can be adjusted using the built-in handwheel.
Brand: Kromschröder
Model: DG 150U-3
Part Number: 84447500 / S84447500
Product Type: Gas pressure switch
Adjustable Pressure Range: 30–150 mbar
Pressure Monitoring: Positive, negative, and differential pressure, depending on application
Switching Action: Responds to rising pressure
Electrical Connection: Screw terminals
Cable Entry: M16 cable gland
Protection Rating: Verify the exact version; published listings differ between IP54 and IP65
Certifications: CE and EAC listed by the manufacturer’s product page
Industrial gas burners
Boiler and combustion systems
Gas pressure monitoring
Furnace and heating equipment
Ventilation and air-conditioning systems
Industrial gas trains
Burner safety and control systems
