NH40-160/4隔离开关适用于交流50Hz、交流额定电压660V及以下、直流额定电压440V及以下，额定电流至3150A。在工业企业配电设备中，可供不频繁手动接通和分断电路及隔离电源用。1000A及以上仅作隔离电源。
NH40-125/3P,NH40-125/3W
NH40-160/3P,NH40-160/3W
NH40-250/3P,NH40-250/3W
NH40-315/3P,NH40-315/3W
NH40-400/3P,NH40-400/3W
NH40-630/3P,NH40-630/3W
NH40-1000/3P,NH40-1000/3W
NH40-1250/3P,NH40-1250/3W
NH40-1600/3P,NH40-1600/3W
NH40-2500/3P,NH40-2500/3W
NH40-3150/3P,NH40-3150/3W
NH40-125/4P,NH40-125/4W
NH40-160/4P,NH40-160/4W
NH40-250/4P,NH40-250/4W
NH40-315/4P,NH40-315/4W
NH40-400/4P,NH40-400/4W
NH40-1000/4P,NH40-1000/4W
NH40-1250/4P,NH40-1250/4W
NH40-1600/4P,NH40-1600/4W
NH40-2000/4P,NH40-2000/4W
NH40-2500/4P,NH40-2500/4W
NH40-3150/4P,NH40-3150/4W