1,INPUT OUTPUT: Motor speed controller, with input voltage of 220VAC and output of 220VDC, high power, which is efficient and practical. 2,STRUCTURE DESIGN: Electromechanical integrated equipment composed of direct starting with DC voltage, micro gear reducer, and speed sensor. 3,CW AND CCW: Forward and reverse rotation can be achieved by converting Mand and M‑ wiring, P1 and P2 are emergency stop terminals. 4,CIRCUIT PROTECTION: The motor governor has built in fuse, providing overcurrent and short circuit protection to ensure safe and reliable operation. 5,EASY INSTALLATION: The DC motor governor has a compact structure with panel screw installation, greatly improving operational efficiency. 1 x Motor Speed Controller Item Type: Motor Speed ControllerInput: 220VACOutput: 220VDCExternal Size: Approx. 100 x 60 x 114mm or 3.9 x 2.4 x 4.5inOpening Size: Approx. 81 x 53mm or 3.2 x 2.1inInstallation Method: Panel Screw Installation Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.