Pressure Switch - DG 500 NT, 40-200 in WC, Gas/Air/Flue

The HONEYWELL KROMSCHRODER DG 500 NT Low Press Sw 40-200in MR is a pressure switch rated for use with positive gas and air pressures, as well as negative and differential air pressures within the specified ranges. This device features an adjustable switching point using a setting dial and operates with media such as gas, air, and flue gases. The DG series includes both European (DG) and US (DG..T) versions, each available with various certifications and connection options depending on model.

Key features:

• Pressure range: 0.2 to 200 inches water column
• Switching point adjustable by setting dial
• Compatible with gas, air, flue gases for positive pressure; air and flue gases for negative/differential pressure
• Pneumatic connections: Internal Rp 1/4" NPT or 1/8" NPT (US version)
• Electrical contacts: Silver (max 240V AC, 5A), Gold (max 30V AC/DC, 0.05A)
• Electrical connection options include screw terminals with M16x1.5 cable gland or 1/2" NPT conduit, plus a four-pin plug/socket
• Optional locking/manual reset available