Dungs Air Pressure Switch LGW50A2P

Technical description

The differential pressure switches LGW…A2… are adjustable differential pressure switches as per EN 1854 for automatic burner controls.

Suitable for switching a circuit on, off or over on changes in actual pressure value relative to the set reference value.

The reference value (switching point) is adjusted on a setting wheel provided with a scale. On LGW…A2P: test button integrated in lower part as standard.

Application

Differential pressure monitoring in firing, ventilation and air-conditioning systems. Suitable for air, flue and exhaust gases and other non-aggressive gases as differential pressure switches; not suitable for industrial combustion gases.

Specifications

Max. operating pressure: 500 mbar (50 kPa)

Setting range: 2.5 – 50 mbar

Pressure connection: G 1/4 tapered female thread for higher pressure on centre of housing underside, including test button and on the side 4.6 dia. test point; G 1/8 female thread for lower pressure.

Ambient temperature: -15 °C bis +70 °C

Materials:

Housing: Polycarbonat

Switch: Polycarbonat

Diaphragms: NBR

Switching contact: Ag

Electrical connection: At screw terminals via M20x1.5 cable entry.