Feature: 1. The governor has the functions of starting fuel quantity control and smooth and slow starting process control 2. The generator supports pre-adjustment function, and the speed and working idle speed are adjustable. 3. The engine speed can be controlled quickly and accurately, so that the diesel generator can run well. 4. High reliability, can withstand all kinds of electromagnetic interference around the engine. 5. The four corners are designed with holes, and screws are used for fastening, which is convenient for installation and disassembly. Specification: Item Type: Electronic Governor Material: Iron Model: ESD5111 Power Supply Voltage: DC 12V / 24V (universal) Operating Temperature Range: -40℃-85℃ Size: Approx. 127 x 127mm / 5 x 5in Mounting Hole Diameter: Approx. 6.8mm / 0.3in Applicable Models: Suitable for Cummins/Volvo Fukang/GAC generator set. Package List: 1 x Electronic Governor1 x User Manual Note: 1. The speed controller is sturdy and durable enough to be installed in the control box or fixed on the peripheral parts of other control equipment on the engine. If water, moisture or condensed water enters into contact with the controller, it must be installed vertically so that the liquid can flow away from the speed controller;2. Prevent overheating: Drive at overspeed, not controlled by the speed control system to protect personnel and equipment from damage when the engine fails. Don't rely entirely on the electronic actuator of the speed control system for overspeed protection. You must use another set of parking drive, such as a fuel solenoid valve.