Air Pressure Switch - Adjustable, 1.5–150 mbar, UL/CE/FM

The HONEYWELL KROMSCHRODER SW,PRESS,AIR,DL 50AG 3K21 is an A/C pressure switch rated for use in applications involving air and flue gas pressure measurement. It supports positive, negative, and differential pressure measurement in systems using air, flue gas, or other non-aggressive gases. The switching point features an adjustable switching point with a setting dial within the specified range.

Key features include:

• Pressure range: -1.5 to 150 mbar (0.12 to 20"WC)
• Adjustable switching point with setting dial
• Pneumatic connections: Tube connections; CE versions with Rp 1/4 and Rp 1/8; UL versions with 1/4" NPT and 1/8" NPT
• Contact options: Silver contacts (24–250V AC, up to 5A) or gold contacts (5–250V AC or max. 30V AC)
• Screw terminals compatible with M16x1.5 cable gland or 1/2" NPT conduit
• Certified by EU, UL listed, FM approved, AGA approved
• Silicon-free construction