
ESC motor controller T-Motor AT 40A 4S
USD · Indicative unit price for reference. Volume and project pricing is provided in your quotation; MOQ and lead times vary by product.
Availability & Lead Times
Ships from Hong Kong · DAP or FOB Hong Kong.
Tracked worldwide delivery
DHL · FedEx · UPS · EMS, then air, sea or rail
Export License Ready
ECCN, CO, CI, PL, EUS docs
Product prices and shipping quotes do not include import duties, taxes or customs clearance fees — these are charged by the destination customs authority. Estimate them above, or read the import duties & VAT guide.
Genuine Products
Authorized distribution
Engineering support
Pre-sales selection and after-sales RMA
Secure, milestone-based payment
T/T 30/70 terms and irrevocable L/C over US$50,000. Funds follow agreed milestones — you never pay an unknown seller upfront.
Payment protectionVetted supplier, Aegisky as contracting window
Suppliers pass KYC/KYB and export-capability review; Aegisky — not an anonymous third party — is your single contracting and communication window.
View supplier profileExport compliance on every controlled order
ECCN classification, sanctions screening and end-use/end-user documentation are handled before quotation is finalised.
Export compliance14-day defective/DOA protection & warranty handling
Defective or dead-on-arrival items are accepted within 14 days via RMA; warranty claims and spare-parts support are handled through the trade desk.
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Sign in to order →T-Motor AT 40A ESC is a high quality speed controller. It is designed for brushless motors, which is ideal for use in quadcopters and RC models. With it, users can achieve high performance and reliability in a variety of flight conditions.
One of the main advantages of AT 40A is its high efficiency and stability. The regulator has been thoroughly tested and optimized, so we can guarantee reliable operation even in difficult conditions.
T-Motor AT 40A ESC combines quality, performance and safety. This is the ideal choice for those who strive for new heights. Choose only proven models so as not to worry about the service life of the structure and enjoy the professional operation of the device.