缺料自动报警响蜂鸣示告，马达过载自动保护装置。

Automatic alarm of empty loader. With automatic motor overload protection device.

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马达附有过负荷保护装置。

Motor comes with overload protector.

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操作舒适方便，装配过载过热保护装置，多档电子调速恒功开关，保证马达的高效率和耐用性。

Comfortable and convenient operation, assembly thermal overload protection device and multi-file electronic speed constant power switch ensure high motor efficiency and durability.

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