Automatic electronic switch for bilge pumps OS1661000

Automatic electronic switch for bilge pumps. ON/OFF level 50/20mm. 12/24V. Max 20A. Size: 86x54x26h mm.
For any pump operating at 20A max current draw and12/24V. It works in fresh and salt water. It switches on at a 50-mm level and turns off at a 20-mm level. A 5-second return system prevents false starts. Oil- and hydrocarbon-resistant. RINA type-approved in compliance with the ISO 8846 standards.