Maytronics Robotic Pool Cleaner Replacement Cable Conn.Three Pin Manufacturer Part # 9985048 Fits the Following Cleaners: Dolphin Nautilus Plus Dolphin Nautilus Dolphin Triton Plus Dolphin Dx3 Dolphin Dx4 Dolphin Deluxe Dolphin Deluxe 3 Dolphin Deluxe 4 Dolphin Deluxe 5 Dolphin Supreme M3 Dolphin Supreme M4 Dolphin Apollo Dolphin Endeavor Dolphin Saturn Dolphin Advantage Plus Dolphin Advantage Rc Plus