Brand Name
okfeet
Type
Controller
KT Brushless controller series
12 MOSFETS controller
Outline Dimension
aluminum housing
Weight
400g
Cable length
All about 10-16cm
Better mosfets
make it smaller
Rated voltage
DC48V
Speed set
1-4.2V
Rated current
15A
Brake input
Low-Level
Low voltage protection
DC40V
Maximum current
30A
1,KT controller just only compatible with KT display(same communication protocol) . Please make sure that your system is KT system.Waterproof connector is special that I can't promise you it can 100% compatible(because of the line sequance).But most can use it if you check carefully. Please check your motor cable if it is Julet or Higo 9pin waterproof plug(there is some letters on the connector ).Julet is better.But for 250W 350W 500W.Higo is also OK. 2,There is 4 versions. The specific parameters are as follows. please check . Compare with sinewave and squarewave .Sinewave means less noise.more smooth when riding. 3, Please contact me if you are not sure which is right for you or have further questions by Aliexpress message. 4,If u ordered it without discusing ,we reject sales return because of the matching things.I hope u could understand, thanks! Controller dimension : about 17*8*4 cm Weight : 400g Cable length : all about 10-16cm Mosfets : 12 better mosfets(make it smaller) Maximum current : 30±1A Rated voltage : DC48V Speed set : 1-4.2V Rated current : 15A Brake input : Low-Level Low voltage protection : DC40±0.5V FUNCTION & PLUG 1.Controllers without light function motor (Big 8pin Julet waterproof plug -Compatible with big 9 pin Julet waterproof plug) power (red-black Anderson PP30 plug) 1T4 cable plug(8pin Julet waterproof plug-Throttle-Display-Ebrake*2) PAS (Yellow-3pin Julet waterproof plug) 2.Controllers with light function motor (Big 8pin Julet waterproof plug -Compatible with big 9 pin Julet waterproof plug) power (red-black Anderson PP30 plug) 1T5 cable plug(9pin Julet waterproof plug-Throttle-Display-Ebrake*2-Light) PAS (Yellow-3pin Julet waterproof plug) Light (Red-2pin Julet waterproof plug） Here is the controller bag for this controller. 12 mosfets controller bag This controller have 4 versions . 1,waterproofsinewave without light=the motor cable is all waterproof cables.Attention,the moter cable is Julet big 8 waterproofconnector. (Function: throttle/ebrake/display/PAS) .Sinewave 2,waterproofsquarewave without light=the motor cable is all waterproof cables.Attention,the moter cable is Julet big 8 waterproofconnector. (Function: throttle/ebrake/display/PAS). Squarewave 3,waterproofsinewave with light=the motor cable is all waterproof cables.Attention,the moter cable is Julet big 8 waterproofconnector. (Function: throttle/ebrake/display/PAS/light) .Sinewave 4,waterproofsquarewave with light=the motor cable is all waterproof cables.Attention,the moter cable is Julet big 8 waterproofconnector. (Function: throttle/ebrake/display/PAS/light). Squarewave 
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