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ABB 086345-504

用途

裝置是通用的交流電動機保護的多功能繼電器，集眾多功能于一身。用于由各種普通接觸器控制或斷路器控制的電傳動驅動的中型和大型三相式電動機的保護裝置。

特點

●靈活的模塊結構，全數字化設計

●優化設計靈活性強，易選擇合適的保護方案滿足各種應用

●抗電壓干擾能力強

●基于軟件設計的熱負荷曲線的精度和長度穩定性高

●先進的自系統提高裝置的可靠性

●數字化設計，數字化顯示測量值、整定值、參數及故障

功能描述主要功能

熱過負荷保護

●熱起動監視

●堵轉保護/帶時限的過電流保護.

●高值過電流保護

●低值接地故障保護

●相電流倒向

●相不平衡保護

●甩負荷保護

●監視各種起動方式

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