Air Pressure Switch - DL 4ET 1, -1.5 to 150 mbar, UL/FM

The HONEYWELL KROMSCHRODER SW,PRESS,AIR,DL 4ET 1 is an A/C pressure switch rated for use in applications involving air and flue gas pressure measurement. It is compatible with positive, negative, and differential pressures within the specified ranges in air, flue gas, or non-aggressive gases. The device features a switching point adjustment via a setting dial and supports various pneumatic connections depending on the version.

Key features include:

• Pressure range: -1.5 to 150 mbar (0.12 to 20"WC)
• Pneumatic connections: Rp 1/4, Rp 1/8 (CE); 1/4" NPT, 1/8" NPT (UL)
• Electrical contacts: Silver or gold options; voltage and current ratings vary by certification
• Electrical connection: Screw terminals with M16x1.5 cable gland or 1/2" NPT conduit
• Includes a four-pin plug and socket
• Certified by EU, UL listed, FM approved, AGA approved; RoHS compliant
• Silicon free construction