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DUNGS Pressure Switches
Brand: Fireye, IncFor use on gas and air applications and available via the Fireye distribution channels.
DUNGS pressure switches complement Fireye’s range of flame safeguards, combustion efficiency and burner controls for a wide range of industrial and commercial applications.
- GAO-A4… SPDT pressure switch requires no auxiliary power. The GAO-A4… is suitable for making and/or breaking a
circuit when the set point is exceeded or undershot. A tripped switch is indicated by a neon light after set point is exceeded
or undershot. Automatic reset when pressure returns below or above set point. - GMH-A4… SPDT pressure switch requires no auxiliary power. The GMH-A4… is suitable for making and/or breaking a
circuit when the set point is exceeded. A tripped switch is indicated by a neon light after set point is exceeded.
Manual reset is required to reset the switch. - GML-A4… SPDT pressure switch requires no auxiliary power. The GML-A4… is suitable for making and/or breaking a
circuit when the set point is undershot. A tripped switch is indicated by a neon light after set point is undershot.
Manual reset is required to reset the switch.
Specifications
Brand
Max Operating Pressure
- MOP = 7 PSI (500 mbar)
- -8 version: 14 PSI (1000 mbar)
Electrical Connection
- Screw Terminals via 1/2” NPT Conduit Connection
Silver-Contact Rating
- 10 A resistive @ 120 VAC
- 3 A inductive @ 120 VAC
- 1 A @ 12 - 48 VDC
Gold-Contact Rating
- max 20 mA @ 24 VDC
- Ideal for Low Voltage & Current Applications
Enclosure
- NEMA Type 4
Ambient / Fluid Temperature
- Versions -2, -3, -4, -5 & -6: -40°F to +140°F; (-40°C to +60°C)
- Versions -8: -20°F to +140°F; (-30°C to +60°C)
Max Body Pressure
- 15 PSI (1033 mbar)
Materials
- Housing: Aluminium
- Switch: Polycarbonate
- Diaphragm: NBR-based rubber
- Switching Contact: Silver or Gold
Electrical Ratings
- AC Eff.: min. 24 V max. 240 V
- DC: min. 24 V max. 48 V
Indication Light
- 0.30 W energy consumption
Setting Tolerance
- ±15% switching point deviation referred to set point. Adjusted as pressure rises or as pressure falls, vertical diaphragm position
Vent Limiter
- Incorporates a vent limiter as per UL 353 and limits the escape of gas less than 1.0 CFH of natural gas at 7 PSI if internal switch diaphragm ruptures