Original Fortrust ESG2002A900C-W Complete Electronic Governor Kit C2002 Speed Controller + A900C-W Built-In Actuator + Magnetic Speed Sensor 12/24V For 400-640KVA Diesel Generator Fuel Pump Speed Stabilization Replacement Spare Part

Complete Original Configuration

1. Genuine Fortrust C2002 Speed Control Unit
2. Original A900C-W Built-In Linear Electromagnetic Actuator
3. Magnetic Pickup Speed Sensor (standard cable length)
4. Matching shielded connecting wires, installation fasteners

Core Technical Parameters

C2002 Speed Controller

• Working Voltage: DC12V / DC24V Optional
• Speed Sampling Frequency: 500~6000Hz
• Regulation Mode: Isochronous Constant Speed / Adjustable Droop Parallel Mode
• Built-In Functions: Start Fuel Ramp, Idle Adjustment, Speed Trim, Reverse Connection Protection, Actuator Overload Protection, Loss-of-Speed-Signal Safety Lock
• Response Time: ≤40ms
• Operating Temperature: -40℃ ~ +95℃
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A900C-W Built-In Actuator

• Rated Torque: 0.9N·m
• Working Stroke: 25mm Linear Travel
• Return Mode: Built-In High-Strength Spring Automatic Reset
• Rated Operating Current: 12V:3.0A / 24V:1.5A
• Applicable Genset Range: 400~640KVA Diesel Engines
• Protection: Overcurrent, Short-Circuit Anti-Burnout Design
• Net Weight: 1.85KG

Magnetic Speed Sensor

• Thread Specification: 5/8-18 UNF
• Coil Inductance: 130~150mH
• Coil Resistance: 250~300Ω
• Recommended Installation Air Gap: 0.4~0.7mm
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Wide Application Range

• 400~640KVA Weichai, Yuchai, Cummins, Perkins large stationary industrial diesel generator sets
• Data center, hospital, mining, marine main/auxiliary high-power standby power units
• Multi-generator parallel centralized power station, diesel water pump unit, fixed heavy-duty power equipment
• Original factory supporting equipment, mechanical governor electronic retrofitting, imported governor domestic original replacement projects
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Key Product Features

1. Genuine Fortrust Original Standard Assembly, Strict Factory Calibration Inspection
   All core components are produced in accordance with Fortrust official original drawings and material specifications, passing offline full-load speed regulation test, high-temperature vibration aging, insulation withstand voltage and dynamic response calibration before delivery, effectively avoiding unstable speed, high fuel consumption and frequent protection misoperation of generic aftermarket governor kits.
    
2. Ultra-Fast Dynamic Response ≤40ms, Excellent Anti-Hunting Performance
   Advanced closed-loop PID control algorithm ensures rapid speed recovery under sudden load changes, steady-state speed regulation accuracy ≤0.25%, keeps generator output frequency stably within 50/60Hz rated range, protects precision electrical equipment from frequency fluctuation damage, supports safe parallel operation of multiple gensets.
    
3. Soft Start Fuel Ramp Function Effectively Reduces Startup Black Smoke
   Optimize cold startup fuel supply curve to avoid instantaneous over-fueling during cranking, reduce carbon deposition inside cylinders and fuel injectors, extend engine service life; independent idle speed potentiometer facilitates on-site parameter fine-tuning for different engine models.
    
4. Multiple Built-In Electrical Safety Protection Mechanisms
   Reverse battery connection protection prevents wiring error burnout of the controller; actuator short-circuit overload protection avoids fuel pump rack jamming causing engine runaway; speed signal loss protection automatically cuts fuel supply to eliminate overspeed safety hazards.
    
5. Built-In Actuator Integrated Design, Stable Anti-Vibration Performance
   A900C-W embedded mounting structure is firmly installed on the fuel pump side, effectively resisting strong engine vibration, no throttle slipping or position drift under long-term heavy-load operation, with good sealing, oil resistance and high temperature resistance.
    
6. Complete Official Technical Support & Formal Warranty System
   Comes with original factory operation manual, wiring diagram and parameter debugging guide, supports remote technical guidance for on-site commissioning; genuine products enjoy 12-month official factory warranty, reliable after-sales guarantee for industrial high-value power equipment.
   

Common Equipment Failures Solved

• Generic aftermarket governor causes severe speed hunting, large frequency fluctuation, unable to realize stable multi-unit parallel operation
• Uncalibrated low-quality governor leads to excessive startup black smoke, high fuel consumption, frequent injector carbon clogging failures
• Original imported governor has long delivery cycle and high procurement cost, genuine Fortrust original kit realizes rapid on-site emergency maintenance replacement
• Old mechanical governor wears and ages, unable to stabilize speed under variable load, resulting in frequent load equipment burnout accidents
• Missing overspeed safety protection function brings engine runaway risk under fuel pump stuck failure