级别高于 meaning in English

be of higher rank than
superior to

You can display additional menu levels static submenus within the static menu by setting the
属性，可以在静态菜单中显示更多菜单级别（静态子菜单）。级别高于
Appliance coupler for household and similar general purposes . part 2 - 3 : appliance coupler with a degree of protection higher than ipxo
家用和类似用途的电器耦合器.第2 - 3部分:保护级别高于ipxo的电器耦合器