Introduction - Specifications
1 — 3
Installation and User Manual
1.4.1
Electrical and Performance Specifications
*
Output
Maintained to within ± 3% of nominal.
*
Input
+10% to -20% of the nominal rated input.
*
Frequency
60 Hertz ± 3 Hertz.
Efficiency
95% Minimum.
Line Regulation
Output is ± 3% of nominal for input variations of +10% to -20% of nominal.
Load Regulation
Output maintained within 3% from no load to full load.
Response Time
1/2 Cycle.
Correction Time
Output will correct in one step to within ±3% of nominal in 1.5 cycles or less.
Harmonic Distortion
Adds less than 1.0% THD.
Transverse-Mode
3 dB down at 1000 Hertz, 40 dB decade to below 50 dB with resistive load.
Noise Attenuation
Common-Mode
120 dB or greater.
Noise Attenuation
Audible Noise
45 dB to 55 dB, depending on kVA rating.
Turn On Characteristics
When energized voltage overshoot will be less than 5% of nominal for 1 cycle
or less.
Overload Rating
1000% for 1 cycle and 200% for 10 seconds.
Ambient Rating
-10 to +40 degrees Celsius.
*Optional extended input regulation range provided on some units. If provided, reference description next to the
units specification tag. 50 Hz models available.
Listed to UL1012, Standard for “power units other than Class 2”.
1.4.2
Main Transformer Specification
Windings
All copper.
Magnetics
Grain orientated, M6 grade, stress relieved transformer steel is utilized for
minimum losses and maximum efficiency.
Insulation
Class (N) 200 all sizes.
Shielding
Multiple triple copper shield to minimize interwinding capacitance, transient,
and noise coupling between primary and secondary windings.
Cooling
Convection, operating temp is 130 degrees Celsius maximum rise
above ambient.
Isolation
Output is fully isolated from input.
86-108814-00 B01