Pneumatic Pressure Switch Model: MP20/MP25

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Pneumatic Pressure Switch Model: MP20/MP25 Specification

Thread Type
BSP (British Standard Pipe Thread)

Machine Type
Automation Equipment, Compressor Systems

Weight
Approx. 250 grams

Size
MP20 / MP25 (as per model), Compact Size

Load Capacity
Electrical: 5A @ 230V AC (Resistive)

Method
Diaphragm operated, Mechanical micro-switch

Accuracy
Switching Differential: 0.2 Bar

Shape
Rectangular

Coating
Surface Anodized/Coated

Hardness
Standard for pneumatic components

Type
Pneumatic Pressure Switch

Material
Aluminum Alloy/High Grade Plastic

Tolerance
2% F.S.

Surface
Anodized/Coated Body

Use
For pressure sensing & control in pneumatic circuits

Application
Industrial Pneumatic Systems, Automation, Compressors

Usage & Applications
Pressure Monitoring and Switch Control

About Pneumatic Pressure Switch Model: MP20/MP25

Pneumatic Pressure Switch

Model: MP20/MP25

Pressure range Compound -100.0~100 kPa, Positive 0~1MPa,Vacuum 0~101.3kPa. Hysteresis adjustable, High accuracy and Resolution.

Features

Pressure range
Compound :100.0~100 kPa, Positive 0~1MPa, Vacuum 0~101.3kPa.
Two switch output & one analog output.
Hysteresis adjustable.
High accuracy and Resolution.
Low cost.
Pressure unit selectable: KPa,MPa,kgf/cm2, psi,bar,mmHg,InHg,mmH2O.

Specifications :

Port size	F1:PT 1/8, F2:NPT 1/8, F3:G 1/8
Rated pressure range	Compound: 100.0~100.0 kPa Vacuum: 0.0 ~ 101.3 kPa Positive: 0.00 ~ 1.00 MPa
Operating / Setting pressure range	Compound: 100.0~100.0 kPa Vacuum: 10.0 ~ 101.3 kPa Positive: 0.10 ~ 1.00 MPa
Medium	Air, Non-corrosive gases ,incombustible gases
Proof pressure	3 times of rated pressure range (Compound, vacuum)1.5 times of rated pressure range (Positive)
Power supply voltage	12 to 24VDC ±10%, Ripple (P-P) 10% or less
Response time	2.5ms (chattering-proof function: 24ms, 192ms and 768ms selections)
Switch output	NPN or PNP open collector 2 outputs Max. load current: 80mAMax. supply voltage: 30VDC Residual voltage: 1V (load current 80mA )
Repeatability (Switch output)	± 0.2% F.S. ± 1 digit
Current consumption	55mA
Output short circuit protection	Yes
7 segment LCD display	3 1/2 digit LED display (Sampling rate: 5 times/1sec.)
Indicator accuracy	±2% F.S. ±1 digit (ambient temperature: 25 ±3)
Indicator	Green LED (OUT1) Red LED (OUT2)
Enclosure	MP20:IP40MP25:IP65
Ambient temp. Range	Operation: 0 ~ 50,storage:-20 ~ 60 ( No condensation or freezing)
Ambient humidity range	Operation/Storage: 35 ~ 85% RH ( No condensation)
Withstand voltage	1000VAC in 1-min (between case and lead wire)
Insulation resistance	50Mohm min. (at 500VDC M, between case and lead wire)
Vibration	Total amplitude 1.5mm,10Hz-55Hz-10Hz scan for 1 minute, two hours each direction of X,Y and Z
Shock	980m/s2 (100G),3 times each in direction of X,Y and Z
Temperature characteristic	2% F.S. of detected pressure (25) at temp. Range of 0~50
Lead wire	Oil-resistance cable(0.15mm2)
Weight	Appro 105g(with 2-meter le

Reliable Pressure Sensing for Automation

Designed to cater to rigorous industrial needs, the MP20/MP25 pneumatic pressure switches ensure precise air pressure monitoring and control. Their robust construction, accurate switching differential, and wide operating temperature range make them ideal for use in automation equipment, compressor systems, and various pneumatic circuits.

Versatile Mounting and Easy Connections

Engineered with user convenience in mind, these switches come with universal mounting (panel or bracket) and screw-type electrical terminals. The 1/4" BSP port and compact, lightweight design facilitate straightforward integration into existing or new pneumatic systems.

FAQs of Pneumatic Pressure Switch Model: MP20/MP25:

Q: How does the MP20/MP25 pneumatic pressure switch operate within industrial systems?

A: The MP20/MP25 uses a diaphragm mechanism to sense pressure changes in pneumatic circuits, activating a mechanical micro-switch to control or signal when set pressure points are reached. The single changeover (SPDT) contact type facilitates flexible control in automation and compressor systems.

Q: What are the differences in the adjustable pressure ranges for the MP20 and MP25 models?

A: The MP20 offers an adjustable pressure range of 0.22 Bar, making it suitable for low-pressure applications. In contrast, the MP25 is adjustable between 0.5 and 10 Bar, catering to systems that require higher pressure monitoring and control.

Q: When should the pressure switch be adjusted or calibrated?

A: Adjustment or calibration is recommended during initial installation, after system modifications, or if there is a noticeable deviation in pressure control. Regular inspection ensures the switch maintains its 2% accuracy tolerance for optimal system performance.

Q: Where can these pressure switches be installed in pneumatic systems?

A: The MP20/MP25 is designed for universal mounting, allowing installation on panels or brackets. Their compact rectangular form and 1/4" BSP port make them easy to integrate within automation machines, compressor assemblies, or any industrial pneumatic circuit.

Q: What safety and protection features are included in these models?

A: Both MP20 and MP25 offer enclosure protection classified as IP-65, shielding internal components from dust and moisture. The maximum operating pressure is rated at 150% of the set pressure for added reliability under variable conditions.

Q: How does the anodized/coated body benefit long-term usage?

A: The anodized or coated aluminum alloy body enhances durability by resisting corrosion and wear, ensuring dependable operation even in harsh industrial environments.

Q: What is the electrical load capacity of the switch, and which applications does it suit?

A: These switches handle electrical loads up to 5A at 230V AC (resistive), making them ideal for pressure monitoring and control applications within automation equipment, industrial compressors, and a variety of pneumatic systems.

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