What is Voltage Balance? The voltage balance is the difference in magnitudes, in percent, of...
What is an Uninterruptible Power Supply? An Uninterruptible Power Supply (UPS) is an electrical power...
What is Universal Input? Universal input means the power source input range is within AC...
UL1310: Safety directive covering Class 2 power supplies and battery chargers intended for use in...
What is Underwriters Laboratories (UL)? Underwriters Laboratories (UL) is an independent, U.S. based non-profit organization...

TUV

What is the TUV? TUV is a safety-testing laboratory with headquarters in Germany. The TUV...
What is True Power? In an AC circuit, true power is the actual power consumed...
What is Transfer Time The transfer time is the amount of time a UPS takes...
What is Thermal Protection? Thermal protection is a method of detecting over-temperature conditions and disconnecting...
The average output voltage change expressed as a percent per degree centigrade of ambient temperature...