Dungs GGW3 A4/2 X 0.4-3 mbar - ATEX Differential Pressure Switch

Dungs Part Number: 248686

Special Order Item - 6- 8 Week Lead Time

The differential pressure switch GGW3 A4 is an adjustable gas-differential pressure switch as per EN 1854 for automatic burner controls. It is 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. The test nipple is integrated in metal housing as standard.

Adjustment Range: 0.04-0.3 kPa (0.4-3 mbar)

Switching Difference: 0.03 kPa (0.3 mbar)

ATEX: II3G and II3D

ATEX Group: II

ATEX Category: 3

Atmosphere: Gas (G) and Dust (D)

Maximum surface temperature: +75

Max. Operating Pressure: 50 kPa (500 mbar) (50 kPa)

Pressure Connection:

p+: in the centre of the underside of the housing

G º-female thread as per ISO 228:

Gas or air

p+: laterally on the housing by means of

screw plug G

Gas or air

p-: laterally on the underside of the housing

G -female thread as per ISO 228:

Gas or air

Electrical Connections: screw type terminals via cable entry ATEX M20x1.5

IP Rating: IP65 (IEC529, EN 60529)

Dimensions

Mounting Orientation

	Standard Mounting Position
	The pressure switch is activated at a higher pressure when mounted horizontally: GGW 3 A4/2 X approx. + 0.05 kPa (0.5 mbar)
	The pressure switch is activated at a lower pressure if mounted horizontally overhead: GGW 3 A4/2 X approx. - 0.05 kPa (0.5 mbar)