ABB UNS2880B-PV1

产品特点

■具有合闸和隔离锁扣

■可用作总开关

■内部联动机构保证 了同步动作

■可安装在35mm标准导轨上

■可与S2系列开关配合

■接线端子 可同时连接电缆和汇流拌

保护系统由以下几个部分组成:

●3或4个新型的电流传感器

●外部电流传感器(例:外部中性线导体、剩余电流或SGR保护)选择一个保护单元PR121/P. PR122/P 或PR123/P.以及可选的具有Modbus通讯协议的通信模块,或选择Fieldbus网络(仅适用于PR122/P 和PR123/P).还有无线连接的通讯协议

●一个直接作用在断路器操作机构上的分闸线圈(随保护脱扣器提供)

电子脱扣器的主要特点包括:

●运行时不需外部电源

●使用微处理器技术

●精密度高

●对电流的真实值R.M.S反应灵敏

●故障原因指示以及脱扣数据记录

●各型号的脱扣器可互换

●中性线的设定情况:

可设定为OFF或相电流的50%、100%或200%， 应用于E1. E2. E3. E4/f.E6/f，以及带外部中性线保护的E4-E6。

可设定为OFF或相电流的50%，应用于E4和E6。

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