AT Series EPS emergency power supply, reflecting the world's most advanced power electronics technology, is a full-featured, high performance uninterruptible power supply with high efficiency, high reliability, high intelligence advantages. We are very pleased to offer this product to you, I hope for you in the coming years to provide convenient, reliable service to ensure your equipment safe operation. AT Series EPS emergency power supply technical features: ● Emergency unit SPWM technology with microprocessor control, pure sine wave output waveform is pure ● unique dynamic current-loop control technology to ensure reliable operation of the emergency control ● capacitive load adaptability, including inductive mixed load ● overload capacity and impact resistance. ● have input, undervoltage, output over voltage, over temperature, overload perfect protection function ● emergency power supply front panel LCD, LED double display status at a glance ● high efficiency (non-emergency power supply, the basic power), low noise, no smoke, no fire load hidden ● Automatic switching unmanned ● stable performance, safe and reliable, long service life Note matters: the user manual provided to the user installation, commissioning, operation use and fault diagnosis and other relevant considerations, are requested to safekeeping, and please read this manual carefully before using this product. ◆ understand this instruction manual carefully read correctly, do not install, operation, maintenance or inspection of the products. ◆ warnings and instructions marked compliance products and accompanying printed materials. ◆ wiring before power must be disconnected before the class. ◆ EPS power supply must be grounded, try to use the thick grounding cable connection locations as close as possible to the the EPS power ground wire as short as possible. ◆ EPS after switching off the power, the power, the internal will still have high pressure, do not open the chassis touch internal devices, so as not to cause injury to the operator and the product. ◆ installation location away from water, steam and other liquid substances, away from flammable substances. ◆ installation of cable must meet the requirements, please do not use cable overload, to avoid the risk of fire and electric shock accident. Main technical parameters Model AT-3KW AT-5KW AT-10KW AT-30KW AT-50KW DC input rated voltage 220VDC 480VDC voltage range AC input of 220VDC ± 20% relative to the number of three-phase frequency 50Hz ± 5% voltage range of 380VAC ± 20% contingency inverse variable output rated power 3KW 5KW 10KW 30KW 50KW Rated voltage 380VAC voltage accuracy 380VAC ± 2% Frequency 50Hz ± 1% waveform distortion rate ≤ 5% (linear load) Dynamic response 5% (0% to 100% load) crest factor (CF <10ms dielectric strength of 1500 VAC, 1min (input and output) noise (state of emergency) 55db (1 meter in front) cooling fan forced) 3:1 overload capacity 120% 5min 150% 1s continuous running time can run continuously for a long time to switch time AT series of air-cooled protection features emergency power protection function, the event of the table below failure, emergency power supply will enter a state of emergency on or off the output to ensure that the load is not damaged, and power inverter also be protected. The protected functional status protective action to restore AC input under-voltage AC input voltage is below the set point emergency power will automatically be converted to emergency power troubleshooting, power inverter will automatically resume normal working condition AC input voltage AC input voltage is higher than the setpoint emergency power supply will automatically be converted to emergency power DC input under-voltage DC input voltage is below the set point output under the state of emergency will be closed emergency output over the carrier load power exceeds the rating of the emergency power supply will turn off the output troubleshooting, to be re- start to return to normal working condition of output short circuit after a slip short emergency power to close a particular branch output troubleshooting, replace the fuse of a slip Note: emergency power supply undervoltage, overvoltage protection after, it must return to the set recovery points or more, in order to start again. Set hysteresis to prevent avoid shock protection near. When the first power of the power inverter, if the input voltage protection point and recovery point just in between, the machine is protected.