500; 500A; 501A Miscellaneous Equipment Charging Relay 500A, 501A Parts on group Charging Relay: Pos. Part No Qty Parts name Comments 1. 858968 [1] Charge distributor For charging of 2 batteries., For alternators 12V, 50A and 24V, 55A. 2. 3. 941906 [2] Spring washer 4. 955781 [2] Hexagon nut Parts catalog : Main Switch 500A, 501A Bilge Pump. Engine Room Fan 500A, 501A Water Heater and Installation Components Heater Outlet Fresh-water Cooling Fresh-water Cooling Charging Relay Separate Mounted: 858841 500A, 501A Charging Relay Separate Mounted: 859499 500A, 501A Electrical Oil Bilge Pump 500A, 501A Set of tools 500A, 501A Tool Kit, Extra 500A, 501A On Board Kit: A 500A