Speed Controller SPD-481000C Installation and Wiring

Rated Voltage   48 Volts
Rated For Motors   Up To 1000 Watts
Maximum Current   30 Amps
Rated For Chargers   Up To 3 Amps
Conversion Efficiency   95%
Under Voltage Protection   42 Volts
Recommended Fuse/Circuit Breaker Size   35 Amps
Dimensions   4-3/8" x 2-3/4" x 1-1/2"
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
Blue = Positive
White = Negative
Mating Connector Item # CNX-50
Required Connection
Throttle Connector
Requires 3-Wire Standard Throttle
Red = + 5 Volts Output
Black = Negative
Blue = 1-4 Volts Input

Mating Connector Item # CNX-52
Required Connection
Key Switch Connector
 Wires Disconnected = Power Off
Wires Connected = Power On

Mating Connector Item # CNX-51
Required Connection
Battery Charger Connector
Red = Positive
Black = Negative
Mating Connector Item # CNX-51
~Optional Connection
Brake Lever Switch Connector
 Wires Disconnected = Motor On
Wires Connected = Motor Off

Mating Connector Item # CNX-51
~Optional Connection
Power Light Connector
 Goes To 48 Volt
Power Indicator Light

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.