| Input power |
| Voltage (standard) |
208/220 VAC ±10% (allowed range 187-242 VAC) |
| Voltage (options) |
380/400 VAC ±10% (allowed range 342-440 VAC)
440/480 VAC ±10% (allowed range 396-528 VAC) |
| Frequency |
47 - 63 Hz |
| Phases |
3–phase, 3–wire plus ground
Not phase rotation sensitive
Neutral not used |
| Power Factor |
0.9 typical for 208/220VAC input
0.78 typical for 380/400VAC input
0.7 typical for 440/480VAC input |
| Efficiency |
87% typical at full load, nominal line |
| Front panel meter accuracy |
| Voltage |
A-Panel: ±0.5% of full-scale + 1 digit K-panel: ±0.1% of full-scale |
| Current |
A-Panel: ±0.5% of full-scale + 1 digit K-panel: ±0.4% of full-scale |
| Load regulation (specified at no load to full load, nominal AC input) |
| Voltage |
0.02% of maximum output voltage |
| Current |
0.1% of maximum output current |
| Line regulation (specified ±10% of nominal AC input, constant load) |
| Voltage |
0.01% of maximum output voltage |
| Current |
0.05% of maximum output current |
| Transient response |
A 50% step load will recover to within 0.75% of original value within 1 ms. |
| Down programming |
With no load the output will program from 100 to 10% in less than 1.5 seconds |
| Stability |
±0.05% of set point after 30 minute warm-up and over 8 hours at fixed line, load, and temperature. |