Speed Controller SPD-CT811B9-V2 Installation and Wiring

Rated Voltage  24 Volts
Rated For Motors  Up To 350 Watts
Maximum Current  30 Amps
Rated For Chargers  Up To 3 Amps
Conversion Efficiency  95%
Under Voltage Protection  20.5 Volts
Recommended Fuse Size  30 Amps
Dimensions  3-3/4" Long x 2" Wide x 1-1/2" 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 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-50

Required Connection
 
Motor Connector
Red = Positive
Blue = Negative

Mating Connector Item # CNX-50

Required Connection
 
Throttle & Brake Lever Switch Connector
Throttle = Red, Black, Green
Brake Lever = Red, Black
Battery Gauge = + Gray, - Black

Mating Connector: CNX-54

Throttle = Required Connection
~Brake Switch = Optional Connection
~Battery Gauge = Optional Connection
Key Switch Connector

Mating Connector Item # CNX-51

Required Connection
 
Battery Charger Connector
Red = Positive
Black = Negative

Mating Connector Item # CNX-51

~Optional Connection
Power Light Connector

Mating Connector Item # CNX-52

~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.