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 = Ground
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.