NBS-1500S-41、NBS-2000S-41、NBS-2500S-41、NBS-3000S-41 タップ电圧(一次:400/440V 二次:200/220) 型式 NBS-20S-42、NBS-30S-42、NBS-50S-42、NBS-75S-42 NBS-100S-42、NBS-150S-42、NBS-200S-42、NBS-300S-42 NBS-500S-42、NBS-600S-42、NBS-750S-42、NBS-1000S-42 NBS-1500S...