High and low speed fan controller ZFJ-2   The ZFJ-2 High and Low Speed Fan Controller is an industrial grade dual speed control device designed specifically for fire emergency situations. Its core supports the switching operation of fans between high and low speeds, and it focuses on the forced start function for fire emergency. It is widely applicable to various scenarios that require fire linkage fan control, such as industrial workshops, office buildings, shopping malls, and building fire protection systems. It is particularly suitable for special needs such as fire emergency ventilation and smoke exhaust. Whether it is daily high and low speed switching operation and maintenance, fire emergency linkage, or fault emergency handling, it can be stably and efficiently competent. It accurately solves the pain points of unsmooth dual speed switching, insensitive fire linkage, untimely fault feedback, and failure to meet the requirements of fire protection drawings for ordinary controlle…

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Zhejiang Yihe Electric Co., Ltd.

A manufacturer of intelligent control electrical equipment (including motors, fans and water pumps)…

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