The HZJB-S660 is an ultra-light, portable relay protection tester engineered with cutting-edge technology. Despite its compact, A4-sized form factor, it delivers the same robust functional configuration as traditional large-scale instruments.

| Parameter | Value |
|---|---|
| AC Current Output | 6×30A / 100VA |
| AC Voltage Output | 6×120V / 60VA |
| AC Output Accuracy | 0.1% (10–120V) |
| DC Current Output | 6× (±30A) / 100VA |
| DC Voltage Output | 6× (±160V) / 60VA |
| Line Voltage Amplitude | 0 to ±320V |
| Phase Accuracy | < 0.5° |
| Output Frequency | 0–2000Hz |
| Switch Quantity | 10 In / 8 Out |
| Dimensions | 350×250×120mm |
| Weight | 10.6kg |