The DUNGS GW 50 A6 is an adjustable compact gas and air pressure switch with a 5–50 mbar setting range for combustion, burner, boiler, furnace, ventilation and HVAC control systems. It operates without auxiliary power and provides an SPDT contact with IP54 protection.
The DUNGS GW 50 A6 is an adjustable compact pressure switch manufactured in accordance with EN 1854 Class S for combustion systems. It monitors positive pressure and switches an electrical circuit on, off or over when the actual pressure rises above or falls below the selected setpoint.
The GW 50 A6 has a setting range of 5–50 mbar, a maximum operating pressure of 500 mbar, a maximum switching differential of 2.5 mbar at the minimum setting and 3 mbar at the maximum setting, and a setpoint tolerance of ±15%. The sensing mechanism operates without an auxiliary power supply.
The standard pressure connection is a G 1/4 female thread located centrally on the bottom of the housing. Versions with an additional side G 1/4 connection are also available. The unit incorporates an SPDT silver contact, a three-pin equipment connector and an integrated test nipple. Confirm the pressure range, connection arrangement, included line socket and DUNGS order number from the nameplate before quotation or replacement.