Descripción
Dungs 266919 Gas Pressure Switch GAO-A4-4-2
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.
Specifications
- Max. operating pressure: 7 PSI (500 mbar)
- Pressure connection: Standard: 1/4″ NPT female thread centered underside of housing.
- Hose connection: AA-A2-6
Threaded connection
- 1/4″ NPT positive
- 1/8″ NPT negative
- 5/32″ (Ø 4.6 mm) test connection
Temperature range
- Ambient temperature: -40 °F to +140 °F (-40 °C to +60 °C)
- Medium temperature: -40 °F to +140 °F (-40 °C to +60 °C)
Materials
- Housing: Aluminium
- Switch: Polycarbonate
- Diaphragm: NBR-based rubber
- Switching contact: Silver (Ag)
Electrical ratings
- AC eff.: min. 24 V max. 250 V
- DC min.: 24 V max. 48 V
Current ratings
- AC 5A resistive: @ 120 VAC
- AC 3A inductive: @ 120 VAC
- DC min.: 20 mA @ 24 VDC
- DC max.: 1A @ 12 – 48 VDC
- Electrical connection: Screw terminals via 1/2″ NPT conduit connection
- Enclosure rating: NEMA Type 4
- Setting tolerance: ±15% switching point deviation referred to set point, adjusted as pressure rises, vertical diaphragm position
- Installation position: Multipoised