它遵循了输入电压和负载变化连接良好的输出稳定，他们在正常使用下几乎不会有损坏。
It has excellent output stability by following up the variation of input voltage and connected load, they almost can't be damaged in normal use.
电弧电压：一般认为电源正常输出电压即为切割电压。
Four, arc voltage: generally believe that the power supply is normal output voltage for cutting voltage.
当输出电压超过40v时，产品进入保护状态，当故障排除或重新起机时，电源工作正常。
When the output voltage is over 40v the product is protected. When the fault is excluded or is start working again the power supply is working normally.
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