WGL 隔离开关 外形及安装尺寸 (mm) WGLCK-2000~4000A 侧面操作负荷隔离开关外型与安装尺寸 + 3 / 5 5 3 1 4 # , 6 4 2 " 8(-$, _ " + Ⱐᣑ᧹҈ + 3 / 5 5 3 1 4 # , 6 4 2 " 8(-$, " ᴈโ᧹҈ 50 Ð Ð Ð Ð _ " " ᴈโᳰᏓႵ㷱ᅦᄤ 137 WEINAER TECHNOLOGY CO., LTD.