Universal Generator AVR Module with Under Frequency Protection 50 to 60Hz GAVR8A Features： 1、Compatibility: AVR voltage regulator module universal for generator GAVR8A, which is made according to the prototype model. 2、Protection Function: This generator automatic voltage regulator board with under frequency protection, giving you a stable using experience. 3、Safe and Reliable: This voltage regulator control module has built in high capacity 8Amp fuse, safe and reliable, you can use it without worry. 4、Strong Stability: AVR voltage regulator has high working efficiency, wide working temperature range and good stability. 5、Performance: The AVR voltage regulator board adopts sturdy and compact design, precise aluminum alloy material, good insulation. Specification： Material: Aluminium alloy Product Model: GAVR 8A Characteristic:  <±1% adjustment 110/220/440 VAC programmable input Strong and compact design Under frequency protection Electromagnetic interference suppression Built in high capacity 8Amp fuse Frequency: Nominal 50-60 Hz Frequency: Nominal 50-60 Hz Current: Continuous 3A, intermittent 5A, lasting 10 seconds. Resistance: Minimum. 15Ω, Maximum. 100Ω Adjustment: +/- 1% Package List： 1 x AVR Voltage Regulator Module 1 x User Manual