Feature:1. Applicable Models: This automatic voltage regulator is suitable for Meccalte generator, check the brand for better fit 2. Main Application: This AVR is used to set the output voltage stability of the alternator. Clockwise rotation can increase the speed.3. PC Material: Made of PC flame retardant material, this voltage regulator is strong and sturdy, fire resistant, safe and reliable for long term use.4. Low Frequency Protection: This voltage regulator possesses low frequency protection and voltage buffer function, EMI suppression circuit.5. Ideal Replacement: This AVR board with excellent voltage regulating performance is an ideal replacement for the old and damaged parts.Specification:Item Type: Generator AVRMaterial: PC Flame Retardant Heat Resistant MaterialPower Supply Range (Va): 160-300VacOperating Frequency: 35 to 200HzMaximum Excitation Voltage (V): 36Vdc (Va minimum) to 126vdc (Va maximum)External Voltage Control: Via 5K/3w potentiometerVoltage External Control: Through 5K 3w potentiometerExternal Tension Control: Through 5K 3w potentiometerTemperature: - 40 to +80 Frequency Protection: 50, 60HzStorage Temperature: - 20 to 60 .Package List:1 x Generator AVR1 x U Disk