Pressure switch Dungs LGW 3 A4 M

The Dungs LGW 3 A4 M pressure switch is an adjustable pressure switch of class "S" according to EN 1854 for gas automation. It is used in systems with a pressure of up to 500 mbar to turn on, switch or turn off the contact to the set pressure parameter when the actual value changes. The device is adjusted manually, in the range from 0.4 to 3 mbar. Response - 0.3 mbar.

Features

• The pressure switch is made in a compact plastic case with a cast aluminum base. Electrical contacts - in the standard version (Ag), protected from external influences according to the IP 54 standard. A transparent cover is located on top of the case. The switch is made of polycarbonate, the membrane is made of NBC.

• The device serves without interruption at ambient and working environment temperatures from -15 °C to +70 °C. The response point is set using a rotating disk with a marking scale.

• A threaded connection is provided for connection to the pipe, which ensures reliable fixation and quick installation.

• It is recommended to place the device vertically (standard position). In case of deviation in the installation orientation, it is necessary to take into account the change in the switching point (the deviation can be up to ±15% of the specified value). The installation nuances are listed in the factory instructions.

To equip furnace units from a wide range of manufacturers, we offer to buy a Dungs LGW 3 A4 M pressure relay article: 272338 and other components for reliable operation of gas burner automation systems.