ABB UNS0867A-P,V2 HIEE405246R0002

光伏串保护

为避免直流侧的设备损坏，以及在维护保养时确保安全隔离光伏系统，可在逆变器下级安装E90PV熔断器式隔离器，为各光伏串提供保护。熔断器选型时必须参照线路的额定电流和最大耗散功率。

后备保护

当安装点的短路电流lcc超过100A DC时，OVRPV电涌保护器必须采用gR型熔丝做后备保护。

逆变器直流侧

在小型光伏发电系统中，E90 PV熔断器式隔离器可用于为逆变器直流侧提供保护。熔丝必须按照逆变器的额定电流选型。

EPD24电子保护开关用于24VDC负载回路的选择性过电流保护，采用有源电子限流装置，当过载电流> 1.1 h时可关断.并将最大过载电流限制在1.5- 1.8.允许最大容性负载达20,000μF不误动，选择性关断故障回路.防止系统完全失电。

产品特点

●额定电流: 0.5A- 12 A

●手动ON/ OFF按钮

●通过LED/辅助触头清晰指示工作状态

●内置故障保护元件SMD熔断器

●产品宽度12.5mm

●汇流排连接LINE+/0V/辅助触头

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