Features Efficient Voltage Regulation: Achieve a maximum output voltage of 82V when the input voltage is AC 200V, ensuring efficient and reliable performance. Enhanced Work Safety: Equipped with low frequency defend and over excitation defend function, providing higher work safety for the generator. Versatile Application: Widely used in generator set parts and brushless generator voltage regulation and control, making it highly practical. stable Design: Perfectly fits 50Hz/60Hz self-excited AC brushless generators, serving as a stable part of the excitation system. Quick Installation: Lightweight and compact, allowing for easy installation within minutes, enhancing convenience. Specification: Item Type: Automatic Voltage Regulator Model: KRS440 Detection Input Voltage: 100-130V single phase or 190-264V AC single phase. Power Input Voltage: 100-264V AC Output Voltage: When the input voltage is AC 200V, the maximum output voltage can get to 82V. Current: Continuous output is 4A, 7.5A instantaneous current is allowed for 10s. Low Frequency defend Setting: 92% - 94% Steady State Voltage Regulation Rate of Rated Frequency: ± 1%, within the range of 4% engine speed variation. AVR Excitation Voltage Input: 4V AC Over Excitation defend: 75V, preset value. Fixed Time Delay: 10-15 Seconds Freatures: It is applicable to 50Hz/60Hz self excited AC brushless generator and is a part of its excitation system. Use mounting technology. Parallel operation function. Low frequency defend UFRO and LED indicating low frequency status function. With overexcitation defend function, KRS440 can replace the detection voltage 220 V of AS440 connected to four wires. Package List: 1 x Automatic Voltage Regulator Package List 1 x Automatic Voltage Regulator