Neatly used Mercury 5000VA Automatic Voltage Regulator (AVR) with LED indicator.
Bought brand new from Mercury shop (packaging still intact). Used solely for 1.5hp AC. Selling because upgrade to inverter AC.
*Auto buck-boost-normal switchover
*Wide input voltage ranges
*Auto restart while AC recovery
*User-friendly segment LED+LED indication
*Low input and high input alarm
*Over temperature protection
*Short circuit protection