Speed Controller SPD-SD500-6 Installation and Wiring

Rated Voltage  24 Volts
Rated For Motors  Up To 500 Watts
Maximum Current  30 Amps
Rated For Chargers  Up To 3 Amps
Conversion Efficiency  95%
Under Voltage Protection  20.5 Volts
Recommended Fuse Size  40 Amps
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 20.5 Volts ± 1.0 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-2PX2


Required Connection  
Motor Connector
Blue = Positive
Green = Negative

Mating Connector Item # CNX-50
Required Connection  
Throttle Connector

Mating Throttle Item # THR-600
Required Connection  
Brake Lever Switch 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.