Feature: 1. FOR BRUSHLESS GENERATOR: The AVR board is specially designed for AC brushless generator, which can automatically adjust the output voltage by controlling the excitation current of the alternator exciter. 2. SAFETY PROTECTION: Automatic voltage regulator has built in overvoltage protection and low speed protection function, very reliable in use. 3. ADJUSTABLE DESIGN: Automatic voltage regulator is 115V 230V 400VAC detection voltage input optional, low frequency protection 50HZ 60HZ optional. 4. HIGH STABILITY: Adopt excellent board and electric components, automatic voltage regulator has high stability and durability. 5. EASY TO USE: The automatic voltage regulator is easy to install, and can be directly used after the installation is finished. Specification: Item Type: Automatic Voltage Regulator Material: ABS Model: KF306A Power Input: Z1 Z2 fundamental harmonic, maximum 180V Maximum Excitation Voltage Output: F+ F- 190V 8ADC 10s Detection Voltage Input: 115 230 400VAC optional Low Frequency Protection: 50 60Hz optional Generator Field Resistance: ≥5Ω Steady State Voltage Regulation Rate: ≤±1% Voltage Regulation Range: ≥15% Minimum Residual Excitation Voltage: ≥5V 30Hz R1 to R2: Voltage fine adjustment ±12 when external potentiometer 1KΩ 1W Working Temperature: -40℃ to 65℃ Feature: KF306A automatic voltage regulator (AVR) is a close pair electronic device specially designed for supporting AC brushless generator. The AV ruler controls the excitation current of the alternator exciter to realize automatic adjustment of the generator output voltage. Package List: 1 x Automatic Voltage Regulator