Dungs Ub500A4 250V IP 54 50 -500 Mbar Natural Gas High Burner Control Compressor Pressure Switch Adjust Air Monitor

• Type: Industrial Gas Burners
• Number of Switch: Single Control Switch
• Structure: Power Built-in Type
• Usage: Control Switch, Playback Switch, Change-over Switch, Gas Burners Industrial Accessories
• Explosion-proof Type: IP 54
• Contact: Normally Close
• Model NO.: UB500A4
• Contact Type: Type a Contact
• Detection Method: Retro-reflective Mode
• Brand: Dungs
• Certification: CE, CCC
• Name: Pressure Switch
• Model: Ub500A4
• Max. Operating Pressure: 600 Mbar (50 Kpa)
• Weight: 3kg
• Voltage Rating: 250V 10A 50/60 Hz
• Degree of Protection: IP 54
• Pressure Connection: G 1/4 Female Thread on Centre of Housing Underside
• Ambient Temperature: -15 °c to +70 °c
• After Warranty Service: Video Technical Support
• Application/Usage: Gas Burners Industrial Accessories
• Transport Package: Carton Box Packing
• Specification: 10X9X8 cm
• Trademark: Dungs
• Origin: Germany
• HS Code: 8481100090
• Production Capacity: 1000

Product Description

Dungs UB500A4 250V IP 54 50 -500 Mbar Natural Gas High Burner Control Compressor Pressure Switch Adjust Air Monitor

Product Description

 

Technical description

The pressure limiters ÜB…A4 and NB… A4 are adjustable pressure switches as per EN 1854 for automatic burner controls. They are 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. Test nipple integrated in metal housing as standard.

 

Application

Pressure monitoring in firing, ventilation and air-conditioning systems. Suitable for gases of families 1,2,3 and other neutral gaseous media.

 

Approvals

 

EC type test approval as per EC Gas Appliance Directive:

 

ÜB...A4 CE-0085 AO 3220

NB...A4 CE-0085 AO 3220

EC type test approval as per EC Pressure Equipment Directive:

ÜB...A4 CE0036

NB...A4 CE0036

Approvals in other important gasconsuming countries. Special
designs for the North American market with UL , FM and CSA registrations.

 

 

 

ÜB…A4, NB…A4 pressure limiters

The control unit responds to pressure. Interlock is performed when the set reference value is exceeded or undershot.

The "Locked" switching state is indicated by a glow lamp. Restart is only possible by activating the reset button on the setting wheel of the pressure limiter after the operating pressure is attained

 

 

Double pressure switch GW A4 / GW A4

ÜB…A4: Switches and locks when the set pressure is exceeded.

NB…A4: Switches and locks when the set pressure is undershot.

PRODUCT SPECIFICATIONS

item	value
Warranty	1.5 years
Customized support	OEM
Place of Origin	Germany
Brand Name	Dungs
Model Number	UB 500A4
Type	Gas Burner
Feature	High Performance
Power Source	Electric
Application	Industrial Gas Burner
Product Name	Dungs UB 500A4 OR Differential High Pressure Control Switch
Model	UB 500A4
Brand	Dungs
Power Supply	250v 10A 50/60HZ
Max. operating pressure	600 mbar (60 kPa)
Ambient temperature	-15 °C to +70 °C
Degree of protection	IP 54
Membrane	NBR
Usage	Industrial Gas Burner Accessories
After Warranty Service	Video technical support

Detailed Photos

Dungs UB500A4 250V IP 54 50 -500 Mbar Natural Gas High Burner Control Compressor Pressure Switch Adjust Air Monitor

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