PS-02B TECHNICAL DATA: Pressure Range:20-100psi Pressure Setting:20-40psi、30-50psi、40-60psi、50-70psi、60-80psi、70-100psi Rated Current:12A Rated Voltage:110V-240V Frequency:50/60Hz Max ambient temperature:40℃ Max Liquid temperature:60℃ Protection Degree: IP20 DESCRIPTIONS: Pressure switch used in water systems. The switch start and stop the water pump automatically according to the pressure setting Hydraulics connection can choose: 1/4″Male&Female OPTIONS: Crust according to customers ‘needs Hydraulics connection according to customers ‘needs. Pressure setting according to customers’ needs.