This will increase the pump efficiency, energy saving, to avoid electrical overload operation, to extend the service life.
这样可提高电泵工作效率，节电，避免电机超负荷作业，延长使用寿命。
2
Comfortable and convenient operation, assembly thermal overload protection device and multi-file electronic speed constant power switch ensure high motor efficiency and durability.
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。
3
Its advantages are high drive efficiency, soft start of electric motor, and overload protection.