Industrial CF-03A Automatic Voltage Regulator Module

Description:

The CF-03A Automatic Voltage Regulator (AVR) is an electronic voltage control module used in gasoline generators and portable generator sets. Commonly installed in Honda, Kawasaki, Suzuki, Kubota, Yamaha, and other small generator models requiring automatic output voltage regulation and excitation control. Maintenance teams, generator repair technicians, and equipment owners use this AVR for generator repairs, voltage regulation upgrades, and replacement of failed regulator modules.

Applications:

The CF-03A is designed to automatically regulate generator output voltage in portable and stationary gasoline generators. It is commonly used in residential backup generators, construction site generators, agricultural equipment, and small industrial generator sets where stable voltage output is required to protect connected loads and ensure reliable operation. The regulator is compatible with many generator brands through adapter plugs and supports single-phase sensing configurations.

Technical Specifications:

• Manufacturer Part Number (MPN): CF-03A
• Product Type: Automatic Voltage Regulator (AVR)
• Application: Gasoline Generators / Generator Sets
• Generator Type: Self-Excited Brush Type
• Sensing Input Voltage: 18 to 22 VAC
• Sensing Phase: Single Phase, 2 Wire
• Power Input Voltage: 60 to 90 VAC
• Excitation Output Voltage: 5 to 85 VDC
• Continuous Output Current: 3 A
• Intermittent Output Current: 4 A (60 sec max)
• Minimum Excitation Resistance: 25 Ω
• Voltage Regulation Accuracy: ±2%
• Voltage Adjustment Range: 110 VAC ±15%
• Build-Up Voltage: > 5 VAC Residual Voltage
• Operating Frequency: 50/60 Hz
• Operating Temperature: -40°C to +60°C
• Storage Temperature: -40°C to +85°C
• Relative Humidity: Up to 90%
• Dimensions: 113 × 41 × 32 mm
• Weight: Approximately 127 g
• Compatible Brands: Honda, Kubota, Yamaha, Kawasaki, Suzuki, Sawafuji, Maruyama, Elepaq

Common Replacements:

• KUTAI EA03A
• SSEA03A AVR
• EA03A Gasoline Generator AVR