• This pressure control switch automatically turns the water pump on and off according to the pressure change in the pipe, allowing for unattended control. • Made with high-quality materials, it offers high resistance and prolonged durability. • The water pump pressure is adjustable through this switch, allowing you to set the pressure according to work needs. • Easy to install and operate, with stable performance and energy saving. • Suitable for most water pumps, such as self-priming pumps, injection pumps, and garden pumps. • Specifications: Rated voltage: 110V-230V, Maximum current: 12A/6A, Pressure range: 0.8-5.0bar, Pressure adjustment: 1.4-2.8bar, 2.1-3.5bar, 1.4-4.2bar, Connection thread: ZG1/4", Protection level: IP20, Working temperature: 0-55°C. • Product weight: 0.34 kg.