The drive operates on power alone; no external control signals are required. It provides stepless speed regulation through a potentiometer, with acceleration and deceleration controlled by a single button. Key features and benefits Wide voltage range and compact design threephase brushless controller for BLDC motors supports 626V input small, power, spacesaving package Simple, reliable control singlebutton interface with a potentiometer for precise speed adjustment no need for external signal wiring or complex control schemes Flexible operation modes singlebutton version offers 100 levels of acceleration and deceleration with a belt power memory function potentiometer governor option supports 04.5V analog input for stepless speed regulation Versatile and compatible designed for a wide range of threephase brushless motors suitable for various industrial control tools and equipment What it does Provides direct, standalone control of motor speed without external controllers Delivers smooth, continuous speed changes through a userfriendly potentiometer Allows fast changes in speed with a dedicated button for quick acceleration or deceleration Maintains speed state or memory in certain configurations for consistent operation Specifications and capabilities Voltage: 626V DC Type: threephase brushless motor controller Interface: singlebutton operation with potentiometer for speed control Modes: 100level acceleration/deceleration in the singlebutton model with belt power memory function 04.5V analog input for stepless speed regulation in potentiometer governor mode Application scope: optimized for electric regulation in threephase brushless motor systems Applications and use scenarios Air pumps and fans standalone speed control to adjust ventilation or air flow without external signals Water or oil pumps precise, continuous speed adjustment for pumping systems requiring smooth throttle control Industrial control tools compact drives used in machinery that relies on threephase brushless motors, where simple user control and compact size are important Notes on compatibility and usage Designed for threephase brushless motors; ensure motor specifications match the controller's voltage range (626V) Suitable for equipment where external control signals are unavailable or undesired Choose the singlebutton model for quick, repeatable acceleration/deceleration with memory functionality Choose the analog (04.5V) control model for applications requiring precise, continuous speed regulation via a standard control signal This description preserves the product's brandconsistent features, models, and functions while presenting clear, customerfriendly explanations of benefits, specifications, and practical uses.