40A KT Ebike Motor Controller 36/52V  12-FET Sine Wave 

Product Safety & Legal Compliance

• Warning: It is illegal to ride electric scooters on public roads (except under very specific circumstances), pavements, or cycle paths. They are intended only for use on private land with the owner’s permission.

• Warning: It is illegal to ride electric converted bikes on public roads (except under very specific circumstances), pavements, or cycle paths. They are intended only for use on private land with the owner’s permission.

• Not suitable for e-scooters or non-pedal vehicles; UK law allows only 250 W e-bikes on public roads.

• UK EAPC compliant – for pedal bicycles only, not e-scooters or mopeds.

• Certified batteries: UN38.3, CE, RoHS, and UKCA approved.

• Complete systems only – no sale of individual lithium cells (e.g. 18650).

• Torque arms required and disc brakes recommended for safety.

• Avoid charging overnight: Do not charge e-bikes while you are sleeping. 

• Charge in a safe location: Never charge e-bikes in escape routes such as corridors or stairwells. 

• Check for faulty components: Be vigilant for e-bikes and conversion kits with faulty batteries, chargers, or illegal motors that do not comply with safety standards. 

• Beware of fake plugs: Some counterfeit chargers may lack essential fuses, increasing the risk of a serious fire.

UK Stock Fast Delivery

This controller is not compatible with SW900 Display

Product details:

• Sine Wave Controller (more stable, high efficiency, low current consumption, long life)Support KT LED Control Panel or KT LCD Control Panel or without any Control Panel (Universal)Support 48V Light Control Rated current: 20+-2A Maximum Current: 40A

• It only applies to hub motors with Hall sensors.

• Note: This controller is only suitable for electric bicycles. It cannot be used for electric scooters.

Specifications:

• Electric Bicycle 36-52V  KT-40A Sine Wave Brushless Controller 

• Weight: 550g (Approx)

• Cable length: 10-16cm (Approx)

• Model: 12 mosfets

• Maximum current: 40±2A

• Rated voltage: DC48/52V

• Speed setting: 1-4.2V

• Rated current: 20A

• Brake input: Low Level

• Low voltage protection: DC30/40±0.5V

Package Included

• 1 X 36-52V 12-FET 40A KT Sine Wave Controller

Shipping information: We offer free shipping on most or our items, dispatched same day Monday to Friday before 3PM.We can offer next day delivery on some of our items depends on availability and shipping address.

Guarantee: Offer a money-back guarantee or warranty to give the customer peace of mind when making a purchase.

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