Miniature Pressure Switch for Refrigeration System Oil Pump Air Pump

• Type: Mechanical
• Number of Switch: Single Control Switch
• Usage: Control Switch, Disconnector
• Application: Commercial, Industrial, Vehicles
• Explosion-proof Type: Flameproof
• Certification: ISO9001, CE, CCC
• Model NO.: PS Series
• Electrical Connection: 3 Pin Packard
• Trademark: Yuanben
• Origin: Shanghai
• Production Capacity: 100, 000PCS/Year

Product Description

 

Description

PS series pressure switch is a more advanced miniature pressure switch in the world. It's one of the electrical switches that control the circuit open or close on pressure of the controlled medium increase or decrease. It's used widely in refrigeration system, oil pump, air pump, automobile industries and others.

Example: PS B3.0/2.25

• Type: PS
• Type Of Reset: Automatic
• Terminal Style: Lead Wire
• Contact Style: Normal Close(Open At 3.0Mpa And Close At 2.25MPa)

Specifications:

1. Pressure Setting Range:

Automatic Reset: 0.15MPa~3.05Mpa.
Manual Reset: 2.5MPa~3.4Mpa.

1. Electrical Ratings: 120/240VAC, 375VA; 28VAC/VDC, 2A;

120VAC, 5.8FLA, 34LRA; 240VAC, 2.9FLA, 15LRA.

1. Ambient Temperature And Humidity: -35ºC+120ºC; Less Than 95% RH.
2. Contact Resistance: Less Than 20mΩ.
3. Insulation Resistance: More Than 100ΩMΩ.
4. Dielectric Voltage Withstand: Withstand 1500VAC For One Minute Without Breakdown.
5. Burst Pressure: 35Mpa For One Minute Without Body Rupture And Seals Failure.
6. Leakage: Total Maximum Allowable Leak Rate Of 7×10^-6cc/sec Of At Least 70% Helium At 1.0Mpa.
7. Durability: 100,000 Cycles(Automatic); 6,000 Cycles(Manual).
8. Flame rated: UL94V-0.

Inspection Items (100% Inspection)

1. Appearance And Dimensions.
2. Pressure Settings.
3. Contact Resistance.
4. Insulation Resistance.
5. Leakage.
6. Dielectric Voltage Withstand.

Applications
1,Discharge and suction pressure monitoring
2,Subcooling and superheat calculations
3,Compressor oil pressure monitoring
4,Condenser fan control
5,Compressor staging and unloading
6,Electronic expansion valve control
7,Remote systems diagnostics and trending

Drawings

Photos