1Applicable Models: The regulator board is a perfect replacement for Basler VR63 4C regulator, with stable performance and versatility. 2Circuit Protection: The regulator has low frequency protection, EMI suppression circuit, and high blocking capacity fuse protection. 3Automatic Voltage Regulation: The regulating board can automatically adjust the stable voltage, with stable performance, without too much user operation. 4Compact Size: This automatic voltage stabilizer is small, lightweight, robust, easy to install and has a long service life. 5Common Accessories: This voltage regulator board is one of the common accessories for generators, the AVR board can regulate the voltage quickly and stably.