ABB 086345-504
用途
裝置是通用的交流電動(dòng)機(jī)保護(hù)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(dòng)驅(qū)動(dòng)的中型和大型三相式電動(dòng)機(jī)的保護(hù)裝置。
特點(diǎn)
●靈活的模塊結(jié)構(gòu),全數(shù)字化設(shè)計(jì)
●優(yōu)化設(shè)計(jì)靈活性強(qiáng),易選擇合適的保護(hù)方案滿足各種應(yīng)用
●抗電壓干擾能力強(qiáng)
●基于軟件設(shè)計(jì)的熱負(fù)荷曲線的精度和長(zhǎng)度穩(wěn)定性高
●先進(jìn)的自系統(tǒng)提高裝置的可靠性
●數(shù)字化設(shè)計(jì),數(shù)字化顯示測(cè)量值、整定值、參數(shù)及故障
功能描述主要功能
熱過負(fù)荷保護(hù)
●熱起動(dòng)監(jiān)視
●堵轉(zhuǎn)保護(hù)/帶時(shí)限的過電流保護(hù).
●高值過電流保護(hù)
●低值接地故障保護(hù)
●相電流倒向
●相不平衡保護(hù)
●甩負(fù)荷保護(hù)
●監(jiān)視各種起動(dòng)方式
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