Features Perfect Replacement for VR63 4C Regulator: The regulator board is designed to be a seamless replacement for the VR63 4C regulator, ensuring stable performance and versatile compatibility with a variety of models. Comprehensive Circuit defend: Equipped with low frequency defend, EMI suppression circuit, and high blocking capacity defend, ensuring the safety and reliability of your electrical circuits. Automatic Voltage Regulation: Effortlessly maintains stable voltage levels without requiring extensive user intervention, ensuring consistent and reliable performance. Compact and stable Design: The small, lightweight, and robust build allows for easy installation and long-term use, providing a space-efficient solution with extended service life. Essential Accessory for Generators: This voltage regulator board is a common and essential accessory for generators, swiftly and reliably regulating voltage for optimal performance. Specification: Item Type: Automatic Voltage Regulator Material: ABS Detection Input: Voltage 160-265VAC, 300-550VAC single phase Power Input: Voltage 90-270VAC single phase 2 wire Magnetic Field Output: Voltage 120VAC input at maximum 63VAD Current: Continuous 4A, Non continuous 7A in 60 seconds Package List: 1 x Automatic Voltage Regulator 1 x Instruction Package List 1 x Automatic Voltage Regulator 1 x Instruction