应用：7SJ是一种兼具测控工功能的微机保护装置，因此支持用户实施更高效的电网管理并保证对用户更可靠的供电。
当地操作界面是按照人体工程学原理设计的。真观易读的图形显示是一个主要的设计目标
线路保护：7SJ可用于中性点补偿接地，小电阻接地，不接地或中性点补偿接地的中，高压网络的线路保护
变压器保护：7SJ作为变压器差动保护的补充，可完成后备保护的全部功能。涌流制动有效地防止了由于励磁涌流造成的误路闸。

7SJ600
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7SD61
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7UM6215-2EB91-0AA0
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7PA3032-3AA00/7PA3032-3AA00-2
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7SJ6001-4EA00-0DA0 7SJ600 1A 60-125VDC 嵌入式安装
7SJ6001-5EA00-0DA0 7SJ600 1A 220VDC 嵌入式安装
7SJ6005-4EA00-0DA0 7SJ600 5A 60-125VDC 嵌入式安装
7SJ6005-5EA00-0DA0 7SJ600 5A 220VDC 嵌入式安装
7SJ6001-4EA00-1DA0 7SJ600 1A 60-125VDC 嵌入式安装 重合闸
7SJ6021-4EB00-1FA0 7SJ602 1A 60-125VDC 嵌入式安装
7SJ6021-5EB00-1FA0 7SJ602 1A 220VDC 嵌入式安装
7SJ6025-4EB00-1FA0 7SJ602 5A 60-125VDC 嵌入式安装
7SJ6025-5EB00-1FA0 7SJ602 5A 220VDC 嵌入式安装
7SJ6021-4EB00-1FA1 7SJ602 1A 60-125VDC 嵌入式安装 重合闸
7SJ6111-5EB20-1FA0 11BI/6BO 1A 110-250VDC 嵌入式安装
7SJ6115-5EB20-1FA0 11BI/6BO 5A 110-250VDC 嵌入式安装
7SJ6121-5EB20-1FA0 8BI/8BO 1A 110-250VDC 嵌入式安装
7SJ6125-5EB20-1FA0 8BI/8BO 5A 110-250VDC 嵌入式安装
7SJ6121-5EB20-1FA1 8BI/8BO 1A 110-250VDC 嵌入式安装 重合闸
7SJ6125-5EB20-1FA1 8BI/8BO 5A 110-250VDC 嵌入式安装 重合闸
7SJ6222-5EB00-1FE0 11BI/6BO 1A 110-250VDC 嵌入式安装
7SJ6225-5EB00-1FE0 11BI/6BO 5A 110-250VDC 嵌入式安装
7SJ6212-5EB00-1FE0 8BI/8BO 1A 110-250VDC 嵌入式安装
7SJ6215-5EB00-1FE0 8BI/8BO 5A 110-250VDC 嵌入式安装
7SJ6212-5EB00-1FE1 8BI/8BO 1A 110-250VDC 嵌入式安装 重合闸
7SJ6215-5EB00-1FE1 8BI/8BO 5A 110-250VDC 嵌入式安装 重合闸
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7SJ6225-5EB20-1FC0/EE
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7SD610/7UM61/7UM62/7SA610
7SJ600线路过流过载保护