Feature: 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. Specification: Item Type: Automatic Voltage Regulator Material: ABS Detection Input: Voltage 200-252 VAC ±10% single phase, frequency 50, 60 Hz set by jumper cable Power Input: Voltage 220-260 VAC single phase 2 wire, frequency 50/60 Hz Output Voltage: 42 VDC maximum Output Current: 7A continuous, 15A in 10 seconds for non continuous Output Resistance: Minimum 60hm Maximum 105 Ohm Voltage Regulation Accuracy: <±1% (within 4% of engine speed variation) Voltage Build Up: 5VAC or more remanent voltage required at AVR input terminal Integral Voltage Drop: Load: 5 ohm Maximum Sensitivity: 1VAC corresponding to 2% voltage drop Maximum Input: 5VAC Temperature Stability: 0.05% voltage drift per ℃ change External Voltage Regulation: ±10% with 1KOhms 1 Watt potentiometer Voltage Regulation Range: 180-277 VAC. Package List: 1 x Automatic Voltage Regulator