本规范涵盖了海军舰载使用的无电源正面、甲板安装的中压开关设备。开关柜是硬安装的，需要使用抗冲击设备，例外情况如下所述。这些要求涵盖开关设备组件，包括但不限于中压真空断路器（VCB）、其他中断装置、开关、控制、仪表和计量以及保护和调节设备。

This specification covers electrical power dead-front, deck-mounted, medium voltage switchgear for naval shipboard use. The switchgear is hard-mounted and requires the use of shock-hardened equipment with exceptions as detailed below. These requirements cover switchgear assemblies containing, but not limited to, such devices as medium voltage vacuum circuit breakers (VCBs), other interrupting devices, switches, control, instrumentation and metering, and protective and regulating equipment.