A pulse width modulation controller comprises a disabling unit, a level sensor and an over current protector.
脉冲宽度调制控制器，包括一个禁用单位，水平传感器和过电流保护。
No fuse breaker, over pressure, over heat and over current protectors for compressor, over temp. protector, over load protectorof fan, dry heat pr techto.
无熔丝开关，压缩机超压，过热，过电流保护超温保护，风机过载保护，保险丝，干烧保护器，缺水保护。
Sometimes protector too late to turn blocking action, soon, likely to be directly responsible for current motor burn down.
有时保护器来不及动作，很快达到堵转电流，可能直接导致电机烧毁。
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