| Model | 6811B | 6812B | 6813B |
| Number of phases | 1 | 1 | 1 |
| Power | 375 VA | 750 VA | 1750 VA |
| rms voltage | 300 V | 300 V | 300 V |
| rms current | 3.25 A | 6.5 A | 13 A |
| Repetitive & non-repetitive peak current | 40 A | 40 A | 80 A |
| Crest factor | 12 | 6 | 6 |
| Load Power factor capability | 0 → 1 | 0 → 1 | 0 → 1 |
| dc power | 285 W | 575 W | 1350 W |
| dc voltage | &plun;425 V | &plun;425 V | &plun;425 V |
| dc current | 2.5 A | 5 A | 10 A |
| Output frequency range* | dc; 45 Hz → 1 kHz | dc; 45 Hz → 1 kHz | dc; 45 Hz → 1 kHz |
| Constant voltage ripple and noise (20 kHz → 10 MHz) | -60 dB (relative to full scale) | -60 dB (relative to full scale) | -60 dB (relative to full scale) |
| Line regulation (% of full scale) | 0.1 | 0.1 | 0.1 |
| Load regulation (% of full scale) | 0.5 | 0.5 | 0.5 |
| Maximum total harmonic distortion | 0.25% at 50/60 Hz 1% worst case (45 → 1000 Hz) | 0.25% at 50/60 Hz 1% worst case (45 → 1000 Hz) | 0.25% at 50/60 Hz 1% worst case (45 → 1000 Hz) |
| * May be operated between dc and 45Hz subject to certain deratings |
