Features Application: Designed for generator automatic voltage regulation in 400VAC 3 phase 3 wire system, ensuring precise power supply for various applications. Voltage Current: Input voltage of 220 V, output voltage of 14V 1VA, excitation voltage range of 20-100VDC, and 8A shunt current, providing stable and reliable power regulation. stable Material: Constructed with flame-retardant and heat-resistant PC material, ensuring long-lasting performance and safety in diverse operating conditions. Good Performance: Features excellent contacts and fine workmanship, ensuring stable operation and high reliability for consistent power regulation. Easy Installation: Equipped with nut, rubber ring, and iron washer, simplifying installation and connection for practical and efficient use. Specification: Item Type: Automatic Voltage Regulator Model: GB-160 Material: PC flame retardant and heat resistant material Detection Input: 400VAC 3 phase 3 wire Excitation Voltage: 20-100VDC Input Voltage: 220 V Output Voltage: 14V 1VA Shunt Current: 8A Precise Voltage Regulator: between+1% RMS (engine speed change 4%) low speed defend function, 50/60HZ adjustable Package List: 1 x Voltage Regulator Board 1 x Nut 1 x Rubber Ring 1 x Iron Washer 1 x Accessory Package List 1 x Voltage Regulator Board 1 x Nut 1 x Iron Washer 1 x Accessory