| PRD Series | PRO Series | 
| Response Time : <  500 us | Voltage / Current Rise Time : ≤ 2ms / ≤ 1ms | 
| Voltage Accuracy : <  0.02 % | Voltage Accuracy : <  0.1 % | 
Current Accuracy : <  0.02 %  | Voltage Slew rate : 1000 V/ms | 
Parallel Connection : up to 3 MW   | Current Accuracy : <  0.1 % | 
| Electric Load Function | Parallel Connection : up to 5 MW | 
High Power Density : 30 kW / 3U   | Electric Load Function | 
| Battery Simulation Function | Battery Simulation Function | 
PV Simulation Function  | PV Simulation Function  | 
Inteface : USB, LAN, CAN  | Inteface : USB, LAN, CAN | 
| PRE Series | PRO Series | 
| 4-quadrant AC & DC power source | 4-quadrant AC & DC power source | 
AC & DC electronic load function  | AC & DC electronic load function  | 
Slew Rate & Response Time : 3 V/us, 100 us  | Slew Rate (AC, DC) : 1 V/us, 1 V/us   | 
Constant Power Voltage range : 0 ~ 779 Vac (L-L)  | Output Voltage : 470 / 900 V | 
Frequency change : DC, 0.001 ~ 200 Hz  | Frequency Range : DC, 0.001 ~ 200 Hz | 
Phase angle control : 1 phase & 3 phase  | Phase angle control : 0 ~ 359.9°  | 
Harmonic in jection : up to 100 th order  | Harmonic in jection : up to 100 th order  | 
High Density : 20 kVA / 3U, up to 200 kVA  | Parallel Connection : up to 4 MVA | 
Interface : USB, LAN, CAN  | Interface : USB, LAN, CAN  | 
ABS Series (DC Battery Simulator)  | AGS / AGL Series (AC Grid Simulator)  | 
Single Unit Power : 1 MW  | Max. AC Output Voltage : 46 kV  | 
Parallel Connection : up to 8 MW  | Single Unit Power : 300 kVA ~ 1 MVA  | 
Load rise / fall time : 2 ms  | Parallel Connection : up to 10 MVA  | 
Switching time : 4 ms  | 4-quadrant AC & DC power source  | 
Voltage change rate : 200 V/ms  | Phase Angle Range : 0 ~ 359.9°  | 
Voltage accuracy : ±0.1% F.S.  | Frequency change : 40 ~ 70 Hz  | 
| Current accuracy : ±0.1% F.S. | Phase angle control : 1 phase & 3 phase  | 
Command update rate : 1ms  | AGS : Regenerative AC Grid Simulator AGL : Regenerative AC Source & Sink  | 
Interfaces : RS-485, LAN, CAN  | Inteface : RS-485, LAN, CAN  |