The SX460 Automatic Voltage Regulator (AVR) is designed for compatible brushless generators to maintain stable output voltage during operation. It regulates the alternator's excitation current to help ensure consistent voltage output and reliable generator performance. Suitable for generator repair, maintenance, and replacement applications in residential, commercial, and industrial environments. Compact, durable, and easy to install by a qualified technician. Confirm compatibility with your generator alternator before purchase.