Speed Controller SPD-CT811B9 Installation and Wiring

Rated Voltage  24 Volts
Rated For Motors  Up To 350 Watts
Maximum Current  25 Amps
Rated For Chargers  Up To 3 Amps
Conversion Efficiency  95%
Under Voltage Protection  20.5 Volts
Recommended Fuse Size  30 Amps
Dimensions  3-1/4" x 3" 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 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

DJ7022-6.3-11

Motor Connector
Red = Positive
Blue = Negative

Mating Connector Item # CNX-50

DJ7022-6.3-21

Throttle, Battery Gauge, and Brake Lever Switch 6-Wire Connector
Throttle = Black-Red-Green

Battery Gauge = Gray-Black
Brake Lever Switch= Yellow-Brown

Mating Connector Item # CNX-54

DJ7061A-2.8-21

Key Switch Connector

Mating Connector Item # CNX-51

DJ7031A-2.8-11

Power On Light Connector

Mating Connector
Not Available

EL-2P Male Plug

Battery Charger Connector

Mating Connector Item # CNX-51

DJ7031A-2.8-21

Brake Light Connector

Mating Connector Item # CNX-51

DJ7031A-2.8-11

*The power connector should be the last connection made.
*Fuse or circuit breaker protection is required between the speed controller and the battery pack.