China Welding Preheat and Post Heat Treatment, Find details about China Pipeline Preheat, Pipeline Post Heat from Welding Preheat and Post Heat Treatment
Item | Indicator | Remark |
Output power adjustable range | 1%-100% | |
Control accuracy | 1% | Optional 0.1% |
Resonant frequency tracking range | 5KHz-100KHz | auto tracking resonant frequency |
Output frequency tracking | auto | |
Efficiency | ≥95% | include the output isolation transformer |
Power factor | ≥0.90 | 50% over at rated power |
Input voltage | 380VAC three phase | |
Input voltage fluctuation range | +20%, -30% |
|
Over load ability | 1.10 rating,1min | |
Cabinet protection level | IP23 | |
Cooling mode | IGBT air cooling | induction coil water cooling |
Environment temperature | -20ºC-40ºC | 0-100% load |
40ºC-50ºC | Reduce the power to use | |
Environment humidity | ≤95% | No condensing |
Altitude | ≤1500m | Reduce the power to use ≥1500m |