1、[ADJUSTABLE RANGE] Our voltage regulator has an adjustable voltage range of 180‑277VAC with stable performance. 2、[FULL PROTECTION] This voltage regulator of ours is safe to use with overvoltage protection and low speed protection. 3、[HIGH STABILITY] The voltage of this regulator is highly stable and adjustable to 50Hz and 60Hz, making the AVR board very practical and durable. 4、[ABS HOUSING] This voltage regulator of ours is made of ABS as the housing, which has good insulation and long service life. 5、[COMMON ACCESSORIES] The voltage regulator is a common accessory for generators, which enhances the performance and extends the life of the generator. 1 x Automatic Voltage Regulator Item Type: Automatic Voltage RegulatorMaterial: ABSDetection Input: Voltage 200-252 VAC ±10% single phase, frequency 50, 60 Hz set by jumper cablePower Input: Voltage 220-260 VAC single phase 2 wire, frequency 50/60 HzOutput Voltage: 42 VDC maximumOutput Current: 7A continuous, 15A in 10 seconds for non continuousOutput Resistance: Minimum 60hm Maximum 105 OhmVoltage Regulation Accuracy: <±1% (within 4% of engine speed variation)Voltage Build Up: 5VAC or more remanent voltage required at AVR input terminalIntegral Voltage Drop: Load: 5 ohm Maximum Sensitivity: 1VAC corresponding to 2% voltage dropMaximum Input: 5VACTemperature Stability: 0.05% voltage drift per ℃ changeExternal Voltage Regulation: ±10% with 1KOhms 1 Watt potentiometerVoltage Regulation Range: 180-277 VAC