Gas Pressure Switch - DG Series, 3–500 mbar, Diaphragm Type

The HONEYWELL KROMSCHRODER SW,PRESS,GAS,DG 300VC4 5W is a diaphragm-type gas pressure switch rated for monitoring positive pressure within the specified media types (gases, biogas, air, and flue gases) as per product specifications. It features a micro switch mechanism that operates without silicone components and includes adjustable or factory-set switching points according to model specifications. This unit is suitable for use with boilers or similar equipment requiring gas pressure monitoring within the specified range.

Key features include:

• Pressure range: 3 to 500 mbar (1.2 to 144"WC)
• Pneumatic connections: Internal Rp 1/4 (single or dual), external Rp 1/8 or Rp 1/4
• Contact options: Silver contacts (24–250V AC, 0.05–5A) and gold contacts (5–250V AC, 0.01–5A) for CE version; gold contacts (max 30V AC, 0.05A) and silver contacts (30–240V AC, up to 5A) for UL versions
• Electrical connection via a four-pin plug and socket
• Certified by EU, UL listed, FM approved, AGA approved; RoHS compliant
• Silicone-free construction