正泰成立于1984年，业务遍及140多个国家和地区，在全球拥有超过3万名员工，总资产超过650亿元，年销售额突破600亿元，位列中国民营企业100强

系列全型号列表：

NH40（SZ）系列自动转换隔离开关（PC级）
NH40-16/3SZ
NH40-16/3SZI
NH40-16/3SZⅡ
NH40-16/3SZⅢ
NH40-16/3SZL
NH40-16/4SZ
NH40-16/4SZI
NH40-16/4SZX
NH40-16/4SZLX
NH40-16/4SZLI
NH40-16/4SZLIFY
NH40-16/4SZLIY
NH40-16/4SZLⅢ
NH40-16/4SZLⅢFY
NH40-16/4SZLⅢY
NH40-16/4SZLⅡ
NH40-16/4SZLⅡFY
NH40-20/3SZ
NH40-20/3SZL
NH40-20/3SZI
NH40-20/3SZⅡ
NH40-20/3SZⅢ
NH40-20/4SZ
NH40-20/4SZL
NH40-20/4SZX
NH40-20/4SZLX
NH40-20/4SZI
NH40-20/4SZLI
NH40-20/4SZLIFY
NH40-20/4SZLIY
NH40-20/4SZⅡ
NH40-20/4SZLⅡ
NH40-20/4SZLⅡFY
NH40-20/4SZLⅡY
NH40-20/4SZⅢ
NH40-20/4SZLⅢ
NH40-20/4SZLⅢFY
NH40-20/4SZLⅢY
NH40-25/3SZ
NH40-25/3SZL
NH40-25/3SZI
NH40-25/3SZⅡ
NH40-25/3SZⅢ
NH40-25/4SZ
NH40-25/4SZL
NH40-25/4SZLX
NH40-25/4SZLI
NH40-25/4SZI
NH40-25/4SZLIFY
NH40-25/4SZLIY
NH40-25/4SZⅡ
NH40-25/4SZLⅡ
NH40-25/4SZLⅡFY
NH40-25/4SZLⅡY
NH40-25/4SZLⅢ
NH40-25/4SZⅢ
NH40-25/4SZLⅢFY
NH40-25/4SZLⅢY
NH40-32/3SZ
NH40-32/3SZL
NH40-32/3SZI
NH40-32/3SZⅡ
NH40-32/3SZⅢ
NH40-32/4SZ
NH40-32/4SZL
NH40-32/4SZLX
NH40-32/4SZLI
NH40-32/4SZI
NH40-32/4SZLIFY
NH40-32/4SZLIY
NH40-32/4SZⅡ
NH40-32/4SZLⅡ
NH40-32/4SZLⅡFY
NH40-32/4SZLⅡY
NH40-32/4SZLⅢ
NH40-32/4SZⅢ
NH40-32/4SZLⅢFY
NH40-32/4SZLⅢY
NH40-40/3SZ
NH40-40/3SZL
NH40-40/3SZI
NH40-40/3SZⅡ
NH40-40/3SZⅢ
NH40-40/4SZ
NH40-40/4SZL
NH40-40/4SZLX
NH40-40/4SZLI
NH40-40/4SZI
NH40-40/4SZLIFY
NH40-40/4SZLIY
NH40-40/4SZⅡ
NH40-40/4SZLⅡ
NH40-40/4SZLⅡFY
NH40-40/4SZLⅡY
NH40-40/4SZLⅢ
NH40-40/4SZⅢ
NH40-40/4SZLⅢFY
NH40-40/4SZLⅢY
NH40-63/3SZ
NH40-63/3SZL
NH40-63/3SZI
NH40-63/3SZⅡ
NH40-63/3SZⅢ
NH40-63/4SZ
NH40-63/4SZL
NH40-63/4SZLX
NH40-63/4SZLI
NH40-63/4SZI
NH40-63/4SZLIFY
NH40-63/4SZLIY
NH40-63/4SZⅡ
NH40-63/4SZLⅡ
NH40-63/4SZLⅡFY
NH40-63/4SZLⅡY
NH40-63/4SZLⅢ
NH40-63/4SZⅢ
NH40-63/4SZLⅢFY
NH40-63/4SZLⅢY
NH40-80/3SZ
NH40-80/3SZL
NH40-80/3SZI
NH40-80/3SZⅡ
NH40-80/3SZⅢ
NH40-80/4SZ
NH40-80/4SZL
NH40-80/4SZLX
NH40-80/4SZLI
NH40-80/4SZI
NH40-80/4SZLIFY
NH40-80/4SZLIY
NH40-80/4SZⅡ
NH40-80/4SZLⅡ
NH40-80/4SZLⅡFY
NH40-80/4SZLⅡY
NH40-80/4SZLⅢ
NH40-80/4SZⅢ
NH40-80/4SZLⅢFY
NH40-80/4SZLⅢY
NH40-100/3SZ
NH40-100/3SZL
NH40-100/3SZI
NH40-100/3SZⅡ
NH40-100/3SZⅢ
NH40-100/4SZ
NH40-100/4SZL
NH40-100/4SZLX
NH40-100/4SZLI
NH40-100/4SZI
NH40-100/4SZLIFY
NH40-100/4SZLIY
NH40-100/4SZⅡ
NH40-100/4SZLⅡ
NH40-100/4SZLⅡFY
NH40-100/4SZLⅡY
NH40-100/4SZLⅢ
NH40-100/4SZⅢ
NH40-100/4SZLⅢFY
NH40-100/4SZLⅢY
NH40-125/3SZ
NH40-125/3SZI
NH40-125/3SZⅡ
NH40-125/3SZⅢ
NH40-160/3SZ
NH40-160/3SZI
NH40-160/3SZⅡ
NH40-160/3SZⅢ
NH40-200/3SZ
NH40-200/3SZI
NH40-200/3SZⅡ
NH40-200/3SZⅢ
NH40-250/3SZ
NH40-250/3SZI
NH40-250/3SZⅡ
NH40-250/3SZⅢ
NH40-125/4SZ
NH40-125/4SZI
NH40-125/4SZⅡ
NH40-125/4SZⅢ
NH40-160/4SZ
NH40-160/4SZI
NH40-160/4SZⅡ
NH40-160/4SZⅢ
NH40-250/4SZ
NH40-250/4SZI
NH40-250/4SZⅡ
NH40-250/4SZⅢ
NH40-250/4SZ
NH40-250/4SZI
NH40-250/4SZⅡ
NH40-250/4SZⅢ
NH40-315/3SZ
NH40-315/4SZ
NH40-400/3SZI
NH40-400/3SZ
NH40-400/3SZⅡ
NH40-400/3SZⅢ
NH40-400/4SZI
NH40-400/4SZ
NH40-400/4SZⅡ
NH40-400/4SZⅢ
NH40-630/3SZ
NH40-630/3SZI
NH40-630/3SZⅡ
NH40-630/3SZⅢ
NH40-630/4SZⅢ
NH40-630/4SZⅡ
NH40-630/4SZ
NH40-630/4SZI
NH40-800/3SZ
NH40-800/4SZ
NH40-1000/3SZ
NH40-1000/3SZI
NH40-1000/3SZⅡ
NH40-1000/3SZⅢ
NH40-1000/4SZ
NH40-1000/4SZⅢ
NH40-1000/4SZⅡ
NH40-1000/4SZI
NH40-1250/3SZⅢ
NH40-1250/3SZ
NH40-1250/3SZI
NH40-1250/3SZⅡ
NH40-1250/4SZⅢ
NH40-1250/4SZ
NH40-1250/4SZI
NH40-1250/4SZⅡ
NH40-1600/3SZⅢ
NH40-1600/3SZ
NH40-1600/3SZI
NH40-1600/3SZⅡ
NH40-1600/4SZⅢ
NH40-1600/4SZ
NH40-1600/4SZI
NH40-1600/4SZⅡ
NH40-2000/3SZⅢ
NH40-2000/3SZ
NH40-2000/3SZI
NH40-2000/3SZⅡ
NH40-2000/4SZⅢ
NH40-2000/4SZ
NH40-2000/4SZI
NH40-2000/4SZⅡ
NH40-2500/3SZⅢ
NH40-2500/3SZ
NH40-2500/3SZI
NH40-2500/3SZⅡ
NH40-2500/4SZⅢ
NH40-2500/4SZ
NH40-2500/4SZI
NH40-2500/4SZⅡ
NH40-3150/3SZⅢ
NH40-3150/3SZ
NH40-3150/3SZI
NH40-3150/3SZⅡ
NH40-3150/4SZⅢ
NH40-3150/4SZ
NH40-3150/4SZI
NH40-3150/4SZⅡ

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