The Dungs LGW 50 A2P is an adjustable differential pressure switch designed for monitoring air, flue, and exhaust gases in burner control systems. Here's a comprehensive overview of its specifications and features:

 Technical Specifications

• Pressure Range: 2.5 to 50 mbar
• Max Operating Pressure: 500 mbar
• Switching Function:
  • As pressure rises: 1 NC opens, 2 NO closes
  • As pressure falls: 1 NC closes, 2 NO opens
• Switching Difference : Pressure difference between upper and lower switching points
• Protection Class: IP 54
• Ambient Temperature Range: –15C to +70C
• Pressure Connections:
  • (+) and (–) ports for differential pressure
  • G 1/4 thread for standard connection
• Electrical Connection: 3-pole plug-in connector (DIN EN 175301-803)