Speed Controller SPD-48750 Installation and Wiring

Rated Voltage   48 Volts
Rated For Motors   Up To 750 Watts
Maximum Current   25 Amps
Rated For Chargers   Up To 3 Amps
Conversion Efficiency   95%
Under Voltage Protection   42 Volts
Recommended Fuse/Circuit Breaker Size   30 Amps
Dimensions   3-5/8" Wide x 2-1/4" Long x 1-3/8" High
Under Voltage Battery Protection: When the battery pack falls below a specific Voltage the controller turns the motor off preventing over discharging of the battery pack which extends the battery packs lifespan. (The cutoff value is approximately 42 Volts ± 0.5 Volts)
Motor Cut-Off During Braking: When the brakes are engaged the brake switch signals the controller to turn off the motor.

*Power Connector
Red = Positive
Black = Negative

Mating Connector Item # CNX-50


Required Connection

Motor Connector
Green = Positive
Yellow = Negative

Mating Connector Item # CNX-50
Required Connection
Throttle Connector

Mating Connector Item # CNX-52
Required Connection
Power Switch Connector

Mating Connector Item # CNX-51
Required Connection
Battery Charger Connector
Red = Positive
Black = Negative

Mating Connector Item # CNX-51		  
~Optional Connection
Battery Indicator

Mating Connector Item # CNX-51
~Optional Connection
Brake Lever Switch Connector

Mating Connector Item # CNX-51
~Optional Connection
Brake Light Connector

Mating Connector Item # CNX-51
~Optional Connection
*The power connector should be the last connection made.
*Fuse or circuit breaker protection is required between speed controller and battery pack.
~Optional Connections do not need to be hooked up for the speed controller to operate.