A型控制器:置于转换开关内部,监测两路电源电压,控制电源转换动作。CB级:是指转换开关主体如符合GB14048.2、GB14048.9,这些产品本身具有短路、过载保护功能,双电源也具有这些功能;而主体开关符合GB14048.3,本身产品不具有类似保护功能,属于PC级;主体开关符合GB14048.4的则属于CC级。R:自投自负(意思是当常用电源出现异常后,双电源会转换至备用电源,而当常用电源恢复后,则转换至常用电源,则属于自投不自复)。
施耐德系列双电源自动转换开关型号:WATSGA-32/ WATSGB-32/ WATSNA-32A/ WATSNB-32A/WATSGA-63/ WATSGB-63/ WATSNA-40A/ WATSNB-40A/WATSGA-100/ WATSGB-100/ WATSNA-63A/ WATSNB-63A/WATSGA-125/ WATSGB-125/ WATSNA-80A/ WATSNB-80A/WATSGA-160/ WATSGB-160/ WATSNA-100A/ WATSNB-100A/WATSGA-200/ WATSGB-200/ WATSNA-160A/ WATSNB-160A/WATSGA-250/ WATSGB-250/ WATSNA-250A/ WATSNB-250A/WATSGA-320/ WATSGB-320/ WATSNA-32A/4P WATSNB-400A/WATSGA-400/ WATSGB-400/ WATSNA-40A/4P WATSNB-630A/WATSGA-500/ WATSGB-500/ WATSNA-63A/4P WATSNB-1000A/WATSGA-630/ WATSGB-630/ WATSNA-80A/4P WATSNB-1250A/WATSGA-800/ WATSGB-800/ WATSNA-100A/4P WATSNB-1600A/WATSGA-32/4P WATSGB-32/4P WATSNA-160A/4P WATSNB-32A/4PWATSGA-63/4P WATSGB-63/4P WATSNA-250A/4P WATSNB-40A/4PWATSGA-100/4P WATSGB-100/4P WATSNB-63A/4PWATSGA-125/4P WATSGB-125/4P WATSNB-80A/4PWATSGA-160/4P WATSGB-160/4P WATSNB-100A/4PWATSGA-200/4P WATSGB-200/4P WATSNB-160A/4PWATSGA-250/4P WATSGB-250/4P WATSNB-250A/4PWATSGA-320/4P WATSGB-320/4P WATSNB-400A/4PWATSGA-400/4P WATSGB-400/4P WATSNB-630A/4PWATSGA-500/4P WATSGB-500/4P WATSNB-800A/4PWATSGA-630/4P WATSGB-630/4P WATSNB-1000A/4PWATSGA-800/4P WATSGB-800/4P WATSNB-12