Distortion Of Output Voltage Waveform; Power Input; Withstand Voltage And Insulation Resistance - NF DP420LS Instruction Manual

11. Specifications
11.8

Distortion of Output Voltage Waveform

Distortion
*21: 40 Hz to 550 Hz, 50 % or higher of the rated output voltage, the maximum current or lower, AC
and AC+DC modes, THD+N. For the polyphase system, it is a specification for phase voltage
setting.
11.9

Power Input

Voltage
Frequency
Phase
Power factor
Efficiency
Maximum
power consumption
*22: In the case of AC- INT, the rated output voltage, the resistance load at the maximum current,
45 Hz to 65 Hz output.

11.10 Withstand Voltage and Insulation Resistance

Power input - Output/Chassis and Power input/Chassis - Output
Withstand voltage
Insulation resistance
242
Single
*21 0.5 % or lower
420LS
Single
200 V15 %, Overvoltage Category II
50 Hz2 Hz or 60 Hz2 Hz
Three-phase 3-wire
*22 0.90 or higher (typ.)
*22 77 % or higher (typ.)
63 kVA or lower
AC 1500 V or DC 2130 V, 1 minute.
30 MΩ or higher (DC 500 V)
Polyphase
system
1P3W:
126 kVA or lower
72 kVA or lower
3P4W:
189 kVA or lower
Single
PROGRAMMABLE AC POWER SOURCE
Polyphase system
480LS
Single Polyphase
system
1P3W:
144 kVA or lower
3P4W:
216 kVA or lower