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Main technical specifications: | |
Input voltage: three phase 480v AC single phase 277v | |
Output voltage: three phase 208v AC single phase 120V | |
Working voltage: 3000V voltage: no breakdown and arc in 1 minute: | |
No load current: ＜ 4% | |
Short circuit impedance: ＜ 4% | |
Accuracy of output voltage: ± 3% | |
Voltage change rate: ≤1.5% | |
Output waveform distortion: No distortion (compared with input waveform) | |
Insulation class: Class F | |
Temperature rise: no load < 30 ℃, load ≤ 60 ℃ | |
Material temperature resistance: ≥ 155 ℃ | |
work efficiency: ≥98% | |
Applicable frequency: 50/60Hz | |
Protection grade: IP56 | |
Cooling mode: air cooling | |
Working environment temperature: 15 ~ +45 ℃ humidity: < 95% RH without condensation | |
Workplace: no corrosive gas and conductive dust |
