... over & under voltage , delay and by passTNS(SVC) Servo Motor Voltage Regulator Stabilizer Application: For office equipment, testing ... medical equipment, industrial automation equipment, household appliance, lighting system, communication system, etc, such as TV-SET,HI-FI,DVD, ... protectionyes Over load /short Circuityes Delay 3~8sec Efficiency AC-AC >90% Environmental Operating Temperature -5°C~+40° ...