Electronic Technology Co., Ltd. Changzhou Cayenne (www.kayandz.com) long-term commitment power inverter, three-phase power inverter, single-phase power inverter, shore power supply, power inverter power, 60HZ frequency power, 60HZ 50HZ frequency power transfer, 50HZ turn 60HZ power inverter, power inverter power supply, AC variable frequency power supply, DC power supplies, DC power supply and new energy and other power production, development and sales of variable frequency power supply manufacturers. ● Product Description DC power supply input voltage: AC220V ± 10℅, 50Hz ● Output voltage adjustment range: 0 - Rating ● Output current range: 10℅ ~ RATINGS ● Overvoltage point: Rated voltage × 115-120℅ ● Opening time: <50ms ● duration:> 20 ms ● Operating temperature: -10 ℃ -50 ℃ ● Working humidity: <80℅ ● Cooling: ● The average time between failures:> 5000h ● Standard: GB4943, GB925 ● Dimensions: 238 × 124 × 65 (mm)