SHR-800/3，SHR-800/3R，SHR-800/4，SHR-800/4R 负荷铁壳开关
SHR-600/3，SHR-600/3R，SHR-600/4，SHR-600/4R 负荷铁壳开关
SHR-400/3，SHR-400/3R，SHR-400/4，SHR-400/4R 负荷铁壳开关
SHR-315/3，SHR-315/3R，SHR-315/4，SHR-315/4R 负荷铁壳开关
SHR-200/3，SHR-200/3R，SHR-200/4，SHR-200/4R 负荷铁壳开关
SHR-160/3，SHR-160/3R，SHR-160/4，SHR-160/4R 负荷铁壳开关
SHR-100/3，SHR-100/3R，SHR-100/4，SHR-100/4R 负荷铁壳开关
SPB-20-35，SPB-12-30，SPB-10-45 两级跑偏开关
JYB/PK-10-45 ，JYB/PK-20-35两级跑偏开关
JYB/PK-16-35，JYB/PK-12-30 两级跑偏开关
JSB/KPP两级防跑偏开关，JSB/KPP-16-35
JSB/KPP-10-45 ，JSB/KPP-20-35两级跑偏开关
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