| Specification | K65-12B | K125-10B |
| Output power(with a 240 Vac input) | 12Adc @ 65 Vdc Max cfontainuous; 25 Adc @ 125 Vdc forcing for 10 seconds | 10 Adc @ 125 Vdc max continuous. 20 Adc @ 250 Vdc forcing for 10 seconds. |
| AC input power | 100 to 280 Vac, single-phase 50 to 400 Hz; or 63 to 105 Vac three-phase, 50 to 400 Hz; 1092 VA max continuous burden | 180 to 280 Vac, single-phase or three-phase, 50 to 400 Hz, 1750 VA max continous burden. |
| AC sensing voltage | 90 to 140 Vac, 50/60 Hz; single-or-three phase. | 90 to 140 Vac, 50/60 Hz; single-or-three phase. |
| External voltage adjust rheostat | 10K ohm, 2W, potentiometer | 10K ohm, 2W, potentiometer |
| Regulation accuracy | ±0.5% Average responding | ±0.5% Average responding |
| Voltage drift | ±1% voltage variation for a 40 Deg. C change. | ±1% voltage variation for a 40 Deg. C change. |
| Response time | <4 ms | <4ms |
| Frequency compensation | 1 or 2 V/Hz jumper selectable with knee adjustable from 45 Hz to 65 Hz | 1 or 2 V/Hz jumper selectable with knee adjustable from 45 Hz to 65 Hz |
| EMI suppression | Internal filter | Internal filter |
| Voltage Build-Up | Internal provisions for automatic voltage build-up from generator residual voltages as low as six Vac | Internal provisions for automatic voltage build-up from generator residual voltages as low as six Vac |
| Droop | 1 A or 5 A, <10 VA,adjustable from 0 to 10% at rated input current, 0.38 power factor | 1 A or 5 A, <10 VA,adjustable from 0 to 10% at rated input current, 0.38 power factor |
| Operating and storage temperature | -40 Deg. C to +70 Deg.C | -40 Deg. C to +70 Deg.C |
| Shock: | Withstands up to 20 g in each of three mutually perpendicular axes | Withstands up to 20 g in each of three mutually perpendicular axes |
| Vibtation: | Withstands the following accelerations at the stated frequency: 0.5g; 18 to 2000Hz | Withstands the following accelerations at the stated frequency: 0.5g; 18 to 2000Hz |
