Description: Model: SEN-PPI40; Working voltage: 110 (V); Working current: 0.5 (A) Feature: stable and reliable performance, easy to install, has a non-toxic, corrosion-resistant material. Widely used in water supply, drainage and corrosive liquid level automatic control with a variety of pump supporting. Installation method: Upright installation, the float ball floats up and down between the buckle and the fixing screw to output the corresponding switch signal. Electrical life: 300,000 times, mechanical life: 10 million times Specification: Material: Plastic Size: 60x25x20 mm Line length: about .360mm Front diameter: 7MM Model: SEN-PPI40 Working voltage: 110 (V) Working current: 0.5 (A) Maximum temperature resistance: 80 (°C) Maximum withstand voltage: 0.8 (Mpa) Wiring method: 2-wire output Package Includes: 1 Piece Float Level Switch (4 Pack) Note: Note: because the current that the switch can carry is much little(0.5A), you must use a relay or contactor when it is connected by a load, relay or contactor are not included here.