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Air Differential Pressure Switch 20-200Pa Adjustable Micro Pressure Air Switch

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Keram (Nanjing)ELECTRICAL Equipment Co., Ltd.

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Air Differential Pressure Switch 20-200Pa Adjustable Micro Pressure Air Switch

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Brand Name :	Keramcontrols
Model Number :	QAD
Certification :	CE,RoHS
Payment Terms :	L/C, T/T
Delivery Time :	7days

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Air Differential Pressure Switch 20-200Pa Adjustable Micro Pressure Air Switch

Air Differential Pressure Switch 20-200Pa Adjustable Micro- Pressure Air Switch

Description

The differential air pressure switch is used to control the differential pressure of the air for filters, fans, air ducts, air-conditioning and ventilation systems. This pressure switch is especially suitable for control and safety functions in air-conditioning systems, providing the fan stop signal and dirty filters signal.

Technical Specifications

Model	QAD
Media	Air,non-combustible and non-aggressive gasses
Max Operating Pressure	10kPa
Mounting Position	Diaphragm in any vertical plane
Degree of protection	IP54(with cover)
Operating Temperature	-40℃to 85℃
Contact Arrangement	SPDT
Electrical Rating	Resistance: Initial: < 50 milliohms;
Electrical Rating	Current1.5A resistive(0.4A inductive) 250V
Electric Connection	6.3x0.8 blade 46244 or screw terminals
Material	Housing:ABS
	Duct connectors: ABS
	Membrane: Silicone
	Cable sleeve:PVC
Weight	0.15kg(0.35kg with flexible pipe)
Connection	φ6.0mm for tube connection
Approval	UL,CE,RoHS

Dimensions(mm)

Installation Connections

QAD series air pressure controls is factory-calibrated for vertical position. If installed horizontally, this will affect the switching point as following:

• with cover facing upwards, switching point is 15Pa higher than scale;

• with cover facing downwards, switching point is 15Pa lower than scale.

Note: Do not install upside down with trip pressures of less than 50pa!

Electric Wiring

Product Range

Model	Pressure Range	Differential	Tolerance
QAD-1	20~200Pa	10Pa	±15%
QAD-2	30~300Pa	10Pa	±15%
QAD-3	40~400Pa	20Pa	±15%
QAD-4	50~500Pa	20Pa	±15%
QAD-5	200~1000Pa	100Pa	±15%
QAD-6	500~2500Pa	150Pa	±15%
QAD-7	1000~5000Pa	250Pa	±15%

The performances stated in this sheet can be modified without any prior notice due to design improvements

Product Tags:

Air Differential Pressure Switch 20Pa

Adjustable Air Differential Pressure Switch

IP54 Micro Pressure Air Switch

Air Differential Pressure Switch 20-200Pa Adjustable Micro Pressure Air Switch

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