| Type | WSA | WSC |
| Number of Phases | Single-phase | Single-phase |
| Wiring | 2-wire | 2-wire |
| Frequency | 50/60 Hz±1 Hz | 50/60 Hz±1 Hz |
| Rated Input Voltage | 100/110 V | 200/220 V |
| Input Voltage Variation Range | 90 ~ 121 V | 180 ~ 242 V |
| Rated Output Voltage | 100/110 V | 200/220 V |
| Voltage Setting Range | WSA-2CV: 0 ~ 95 % | WSC-1CV: 0 ~ 95 % |
| WSA-60CV: 0 ~ 92 % | WSC-30CV: 0 ~ 92 % | |
| WSC-60CV: 0 ~ 92 % | ||
| Output Voltage Accuracy | WSA-2CV: ±1.0 % | WSC-1CV: ±1 % |
| WSA-60CV: ±0.5 % | Other WSC: ±0.5 % | |
| Load Variation | 0 ~ 100 % | 0 ~ 100 % |
| Load Power Factor | −20 ~ +70 % | −20 ~ +70 % |
| Waveform Distortion Rate | ≤ 1 % | ≤ 1 % |
| Response Time | WSA-2CV: ≤ 0.5 s | WSC-1CV: ≤ 0.5 s |
| WSA-60CV: ≤ 0.2 s | Other WSC: ≤ 0.2 s | |
| Soft-start Time | WSA-2CV: approx. 0.5 ~ 5 s | WSC-1CV: approx. 0.5 ~ 5 s |
| WSA-60CV: approx. 0.2 ~ 5 s | Other WSC: approx. 0.2 ~ 5 s | |
| Current Limit | Approx. 0 ~ 115 % | Approx. 0 ~ 115 % |
| Overcurrent Protection | Output shutdown at 200 % | Output shutdown at 200 % |
| WSA-2CV: auto-reset after 1~1.5 s | WSC-1CV: auto-reset after 1~1.5 s | |
| WSA-60CV: latch, auto-reset by reset signal | Other WSC: latch, auto-reset by reset signal | |
| Efficiency | ≥ 95 % | ≥ 95 % |
| Power Factor | ≥ 0.98 | ≥ 0.98 |
| Control Signal | Current (4 – 20 mA) · Voltage (1 – 5 V) · Manual (1 KΩ VR) optional | Current (4 – 20 mA) · Voltage (1 – 5 V) · Manual (1 KΩ VR) optional |
| Internal Settings | MIN (Lower Limit) 0 ~ 100 % · DAMP (Slope) 100 ~ 0 % · LIMIT (Current) 100 ~ 0 % | MIN (Lower Limit) 0 ~ 100 % · DAMP (Slope) 100 ~ 0 % · LIMIT (Current) 100 ~ 0 % |
| Ambient Temperature | 0 ~ 40 °C | 0 ~ 40 °C |
| Ambient Humidity | 30 ~ 95 % RH | 30 ~ 95 % RH |
| Insulation Resistance | ≥ 50 MΩ (DC 500 V megger) | ≥ 50 MΩ (DC 500 V megger) |
| Dielectric Strength | AC 1500 V for 1 minute | AC 1500 V for 1 minute |
| WSA type 100/110V constant voltage | ||||
| Model | Rated Current | Rated Power | Body dimensions | Mass |
| WSA-2CV | 2A | 200/220 | 50×165×220 | 1.3kg |
| WSA-60CV | 60A | 6/6.6k | 335×170×400 | 20kg |
| WSC type 200/220V | ||||
| Model | Rated Current | Rated Power | Body dimensions | Mass |
| WSC-1CV | 1 | 200/220 | 50×165×220 | 1.3kg |
| WSC-30CV | 30A | 6/6.6k | 335×170×400 | 20kg |
| WSC-60CV | 60A | 12/13.2k | 335×170×400 | 20kg |
