Mounted on the discharge waterway of a pump, and electrically connected in parallel to an AC power line
Turns on/off a pump in accordance with the pressure switch that is turned on and off depending on the pressure value

Basic Characteristics

Product summary

Turns a pump on and off (for household use)

Product purpose

Detect a pump's discharge pressure and automatically start/stop it

Intended use

Detect a pump's discharge pressure

Operating type

Consists of a pressure-receiving area, contact circuit area, switch quick-operating mechanism, and pressure adjustment mechanism

Compatible standard

Electrical Appliances and Materials Safety Act RoHS compliant

Mechanical Characteristics

Outer dimensions

Φ 53×83

Case material

Cover: ABS
Base: POM
Flange: ADC

Operating temperature range


Connection terminal type

R,G1/4(PT,PF1/4) R,G3/8(PT,PF3/8) female screws
G(PF) screws are with rubber seals

Product mounting method

Pressure: Tighten the above female screw into a male screw
Electricity: Lead wire (end treatment: as required by the customer)

Electrical Characteristics

Rated voltage

AC 125/250V

Rated capacity


Contact withstand current

Rush 16.7 A / Breaking 6 A

Contact withstand count

1 million times

Withstand voltage

1500 VAC for 1 minute or 1800 VAC for 1 second

Insulation resistance

500 VDC megohmmeter 10 MΩ or higher

Characteristics Unique to This Product

  • Pressure adjustment range: 0.069 to 0.343 MPa
  • Maximum working pressure: 0.345 MPa
  • Compatible solution: Tap water, well water, and clean water for factories