Electric Motor sizing chart - Elco Electric Outboards

1 Electric Motor sizing CHARTup to 25 6 hp12 hp20 hp40 hp70 hp100 kW17 kW70 amps106 amps118 amps167 amps275 amps295 amps36 vdc48 vdc72 vdc108 vdc108 vdc144 to to to to 14 to to kW1500 RPM1500 RPM1500 RPM1500 RPM1500 RPM1500 RPM1800 RPM1800 RPM1800 RPM1800 RPM1800 RPM1800 RPMEP-600 Boat Size20 -35 EP-120025 -40 EP-200032 -48 EP-400038 -56 EP-700050 -75 EP-10000 Horsepower diesel equivalencyKilowatts (maximum fulll power from batteries)Amps (maximum) Battery voltage DCBatteries (minimum required 12 vdc)Batteries AGM amp/hours1. Day Sailboat2. Cruising SailboatBattery Charger (number and size)1. Day Sailboat2. Continuous Cruise (50% throttle)3. Continuous Cruise (75% throttle)Generator size AC or DC for continuous hybrid cruising (50% throttle provides 60% of hull speed)Generator size AC or DC for continuous hybrid cruising (75% throttle provides 80% of hull speed)RPM Setting, Full Throttle**RPM Setting, Power Boost 100 to 200150 to 220150 to 220200 to 240200 to 240 240200 to 220200 to 220200 to 240220 to 440*220 to 440*220-480*1 @ 36 vdc1 @ 48 vdc1 @ 72 vdc3 @ 36 vdc3 @ 36 vdc4 @ 36 vdc1 @ 20 amp1 @ 30 amp1 @ 30 amp3 @ 30 amp3 @ 70 amp4 @ 80 amp1 @ 20 amp1 @ 40 amp 1 @ 60 amp1 @ 70 amp3 @ 90 amp8 @ 80 amp** to to to to 13 kW15 to 20 kW15 to 25 kWElco Electric Motor Applies to displacement boats onlypatent (3526) | * Two banks of batteries in parallel.

2 ** This is a combination of chargers in series parallel in order to increase the current rating, the voltages stay the same. **RPM default settings, custom settings are available from the factory on special order, or field settable by a trained technician. Performance is based on battery power only - Run time can be continuous with Generator.