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Durable Fsk639d Electronic Speed Governor Module
US$93.00
1-9 Pieces
US$88.00
10+ Pieces
Sample price:US$93.00/piece.Request sample
Product profile
Customization
AvailableConditions of Use
Trailer Type, Marine, Land UseUsage
Standby Unit, Common UnitsModel NO.
FSK639DOutput Type
DCCooling Method
Wind CoolingInstallation Method
FixedGenerator Type
Diesel GeneratorContinuous Output Current
8A DCIntermittent Output Current
10A DC for 10 SecondsInput Power
80 - 140V (50/60Hz)Maximum Output Voltage
90VDCVoltage Regulation Accuracy
±1% of Set ValueTransport Package
BoxSpecification
180 × 120 × 40 mmOrigin
ChinaHS Code
8503009090Production Capacity
50000PCS/YearKey features
Precise Speed Control & Stability
The FSK639D governor continuously monitors engine speed and adjusts the fuel actuator in real time, maintaining a constant speed and frequency under varying load cond
Multiple Adjustable Parameters
Features adjustable controls for speed, gain, damping, idle, and smoke control, allowing precise calibration for different engine models and operating conditions.
Reliable Performance & Durable Design
Built with epoxy resin encapsulation for moisture and dust resistance, this governor is designed to withstand harsh industrial environments, ensuring long-term re
Company profile

Fuan Spark Power Co., Ltd.Fujian, China
Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2014-04-02Nearest Port: MAWEI,FUZHOU, JIANGYIN,FUZHOU, XIAMENAverage Response Time: ≤1.91hTerms of Payment: T/T, LC, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CIF
AI-Powered supplier vetting
SummaryFuan Spark Power Co., Ltd., established in 2025, is a trading company based in Fu'an City, Fujian, China, specializing in generator spare parts. The company boasts a skilled workforce and a strong emphasis on R&D and production customization. It exports globally to over 120 countries, focusing primarily on the international market. With a significant portion of its sales coming from exports, the company demonstrates substantial export capabilities. Despite being a new establishment, it leverages its strategic location in a major industrial hub and employs advanced production and quality management practices.
Supplier typeThe supplier is identified as a trading company with a limited company ownership structure, located in Fujian, China.
R&D capabilityThe company emphasizes R&D and innovation, with a dedicated production base and technical team, suggesting a focus on innovation.
Production capacityThe company has a substantial production output with 10+ production lines and a broad product range, indicating strong production capability.
Customization capabilityThe supplier offers strong customization capabilities, developing products per customer specifications.
Product Q&A
Q:What is the function of the FSK639D governor?
A:
It is an electronic speed controller that maintains the engine's rated speed by adjusting the fuel actuator, preventing speed fluctuations caused by load changes and ensuring stable generator frequency.
Q:What parameters can be adjusted on this governor?
A:
It supports adjustment of rated speed, idle speed, gain, droop, acceleration time, and fuel control, allowing precise calibration for different engine models.
Q:Does this governor have overspeed protection?
A:
Yes, it includes built-in overspeed protection with a manual reset function to prevent engine damage from excessive speed.
Send Inquiry
*To:
Fuan Spark Power Co., Ltd.
Fuan Spark Power Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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