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 water tank)

Product purpose

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

Intended use

Detect a pump's discharge pressure, and pressure inside a water tank

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


Case material

Cover, case: iron
Flange: ZDC

Operating temperature range


Connection terminal type

R3/8 (PT3/8) male screw

Product mounting method

Pressure: Tighten the R3/8 (PT3/8) male screw into a female screw
Electricity: Terminal block (M4)

Electrical Characteristics

Rated voltage

AC 125/250V

Rated capacity


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: 0.098 to 0.980 MPa
  • Maximum working pressure: 0.98 MPa
  • Compatible solution: Tap water, well water, and clean water for factories