WATSN系列自动转换开关是施耐德万高公司生产销售的利用微机控制技术开发研制的新一代自动转换开关。该开关以施耐德电气公司的Multi9系列、Compact系列断路器或符合开关为执行元件，并配以机电一体化、带机电双重联锁的新型控制机构，特别适合用在不容许电源断电的重要供电场所即重要负荷。为满足现场需求，自动转换开关可实现自投自复、自投不自复、互为备用三种不同的工作方式。实现市电对市电双电源 WATSN-40负荷隔离开关INT WATSN-63/63 3CBRX WATSNA 2P 40A WATSNA 40A/2 WATSNA 63/16 3CBR-D WATSNA 63/40-4CBR WATSNA 63/63 2CBR-C WATSNA 63/63 4CBR-D WATSNA-100 4PCR WATSNA-100 4PCR INT WATSNA-100/ 4PCR WATSNA-100/100 3CBS WATSNA-100/100 3PCR WATSNA-100/100 4CBI WATSNA-100/100 4CBR WATSNA-100/100 4CBS WATSNA-100/100 4PCR WATSNA-100/100.3CBR WATSNA-100/100.4CBR WATSNA-100/100.4PCR WATSNA-100/100A 3CBR WATSNA-100/100A 4CBI+F WATSN-63/63 3CBR WATSNA-100/100A 4CBR WATSNA-100/100A 4CBRXF WATSNA-100/100A 4PCR WATSNA-100/16 .3CBR WATSNA-100/25 3CBR WATSNA-100/25A 4CBR WATSNA-100/32 .3CBR WATSNA-100/32 3CBR WATSNA-100/32.4CBR WATSNA-100/40 .3CBR WATSNA-100/40 3CBR WATSNA-100/40 4CBR WATSNA-100/40 4P PCR WATSNA-100/50 3CBR WATSNA-100/50.4CBR WATSNA-100/50A 4CBR WATSNA-100/63 3CBR WATSNA-100/63 4CBR WATSNA-100/63 4P PCR WATSNA-100/63.3CBR WATSNA-100/63A 4CBR WATSNA-100/63A 4CBTR WATSNA-100/63A 4PCR WATSNA-100/80 4CBR WATSNA-100/80 4CBR X+F WATSNA-100/80 4PCR WATSNA-100/80.3CBR WATSNA-100/80.3CBS WATSNA-100/80.4CBR WATSNA-100/80A 3CBR WATSNA-100/80A 4CBR WATSNA-100/80A.3CBR-X WATSNA-100-100-3CBI WATSNA-100-100-4PCR WATSNA-100-40-3CBR STR22SE WATSNA-100A(4PCR) WATSNA-125/3R WATSNA-125A/4PCR WATSNA-16/16 2CBR WATSNA-160.4CBR WATSNA-160/100 4PCR WATSNA-160/100.4CBR WATSNA-160/100A 4CBR WATSNA-160/100A 4PCR WATSNA-160/125 4CBR WATSNA-160/125.3CBR WATSNA-160/125A 4CBR WATSNA-160/125A 4PCR WATSNA-160/160 3CBI WATSNA-160/160 3CBR WATSNA-160/160 4CBR WATSNA-160/160.3CBR WATSNA-160/160.3CBS WATSNA-160/160.3CBS(手柄) WATSNA-160/160.3PCIF WATSNA-160/160.4CBR WATSNA-160/160.4PCR WATSNA-160/160-4CBR WATSNA-160/160A 3PCR WATSNA-160/160A 4CBR WATSNA-160/160A 4CBRXF WATSNA-160/160A 4PCR WATSNA-160-125-3CBI WATSNA-160-40-3CBI WATSNA-160A/120A 3CBR WATSNA-160N/125-3CBR WATSNA-200A/4PCR WATSNA-250/125 4CBR WATSNA-250/160 4PCR WATSNA-250/200 4PCR WATSNA-250/200.3CBR WATSNA-250/200.4CBR WATSNA-250/200.4CBS WATSNA-250/200A 4CBR WATSNA-