Welcome to Defender Canada! 
Description
The Johnson Ultima Switch 36303 is a highly reliable, solid-state bilge pump switch that uses advanced digital technology for dependable water detection. Featuring patented Mirus™ field-effect detector cells, it activates the pump only when needed, with a built-in delay to prevent false starts. Mercury-free and sealed for durability, it's ideal for modern marine bilge systems.
Johnson Ultima Switch - 36303 Item # 871287
Description
Johnson Ultima Switch
- Highly reliable solid-state switch uses no moving / mechanical parts
- Digital technology uses patented Mirus™ field-effect detector cells producing micro-electrical fields that detect disruptions caused by water or fluids
- Detector cells are totally sealed and never in contact with water
- Switch activates bilge pump when fluid level reaches 2" or more – deactivates pump at 3/4" fluid level
- Unique 3-way switch disables piezo alarm while keeping warning LED lit
- 3-second delay prevents false starts
- Environmentally sensitive mercury-free switch
- Automatically adjusts to handle pumps up to 20A at 12 or 24V DC
Specifications:
- Johnson Model No. 36303
- Nominal Voltage: 12 or 24V DC
- Max. Current Draw: 20A