Scope of application: Suitable for DC permanent magnet and excitation motors with power less than 750W Input voltage: AC 110V220V, 50/60Hz Output power: 750W at AC 220V input; 300W at AC 110V input Excitation voltage: DC 205V at AC 220V input (L+ L- terminals); DC 95V at AC 110V input (L+ L- terminals) Armature voltage: 0220VDC adjustable at AC 220V input (M+ M- terminals); 0110VDC adjustable at AC 110V input (M+ M- terminals) Potentiometer matching value: 4.7Kohm 2W Terminal K: Two terminals marked K for start and stop switch; direct wire connection required without external switch Wiring instructions: 1. For permanent magnet DC motors (2-wire motor): Connect controller M+ M- to motor; leave L+ L- unconnected 2. For excitation DC motors (4-wire motor): Connect M+ M- to motor armature and L+ L- to motor excitation; ensure correct polarity and do not reverse connections Color: Green Material: Plastic Size: 100 x 75mm Package Contents: 1 x Drive module (accessories may vary in color; color cannot be specified) Note: Light and display differences may cause slight variations in color between image and actual item. Measurement error allowed: +/- 13cm