| 断路器 | circuit-breaker |
| 真空断路器 | vacuum circuit-breaker |
| 隔离开关 | disconnector |
| 接地开关 | earthing switch |
| 负荷开关 | load-breaking switch |
| 熔断器 | fuse |
| 避雷器 | Lightning arrester |
| 变压器 | transformer |
| 变电站 | substation |
| 预装式变电站 | prefabricated substation |
| 箱变 | Box-type substation |
| 预制舱 | Prefabricated cabin |
| 套管 | Bushing |
| 穿墙套管 | Wall-through bushing |
| 内锥电缆插座 | Inner cone cable socket |
| 外锥电缆插座 | Outer cone cable socket |
| 绝缘子 | Insulator |
| 固封极柱 | solid-insulation-embedded pole |
| 电缆 | Cable |
| 冷缩 | Cold shrinkage |
| 热缩 | heat shrinkage |
| 短路电流 | short-circuit current |
| 过电流 | over-current |
| 过载 | over-load |
| 主回路 | main circuit |
| 控制回路 | control circuit |
| 辅助回路 | auxiliary circuit |
| 操动机构 | operating device |
| 储能 | stored energy |
| 高压开关 | high-voltage switchgear |
| 高压开关设备 | high-voltage switching device |
| 开关柜（金属封闭开关设备） | metal-enclosed switchgear |
| 充气柜（充气式金属封闭开关设备） | gas-filled switchgear |
| 环网柜 | Ring main unit （RMU） |
| 环保柜 | Environment-friendly switchgear |
| 气体绝缘金属封闭开关设备；封闭式组合电器 | gas insulated metal-enclosed switchgear (GIS) |
| 弹簧 | spring |
| 计数器 | Counter |
| 触头（开关的） | contact(of a switching device) |
| 电弧 | arc |
| 灭弧室 | arc-extinguishing chamber |
| 电气间隙 | clearance |
| 电场强度 | Electric field intensity |
| 工频耐压 | Power frequency withstand voltage |
| 雷电冲击耐压 | lightning impulse withstand voltage |
| 母线 | busbar |
| 主母线 | Main busbar |
| 小母线(辅助母线) | Auxiliary busbar |
| 包装 | Packaging |
| 过流脱扣器 | overcurrent release |
| 分（闸）操作 | opening operation |
| 短路开断 | short-circuit breaking |
| 短路关合 | short-circuit making |
| 触头开距 | clearance between open contacts(gap) |
| 行程 | travel(of contacts) |
| 超行程 | overtravel |
| 分闸速度 | opening speed |
| 合闸速度 | closing speed |
| 额定值 | rated value |
| 额定电流 | rated current |
| 额定电压 | rated voltage |
| 额定频率 | rated frequency |
| 额定短路关合电流 | rated short-circuit making current |
| 额定短路开断电流 | rated short-circuit breaking current |
| 关合时间 | make time |
| 功率因数 | power factor |
| 时间-电流特性 | time-current characteristic |
| 额定短时耐受电流 | rated short-time withstand current |
| 额定峰值耐受电流 | rated peak withstand current |
| 温升 | temperature rise |
| 机械特性试验 | mechanical characteristics test |
| 电耐久试验（电寿命试验） | electrical endurance test |
| 防护等级 | Protection Grade |
| 机械寿命 | Mechanical life |
| 节能 | Energy conservation |
| 交流 | Alternating current |
| 直流 | direct current |
| 不锈钢板 | Stainless steel plate |
| 覆铝锌板 | Aluminium-zinc coated steel sheet |
| 冷轧钢板 | Cold-rolled steel plate |
| 外壳 | enclosure |
| 总装 | assembly |
| 五防联锁 | Five-prevention interlocking |
| 金 | gold |
| 银 | silver |
| 铜 | copper |
| 铁 | iron[ˈaɪən] |
| 铝 | aluminium[ˌæljəˈmɪniəm] |
| 铬 | chromium[ˈkrəʊmiəm] |
| 锌 | zinc |
| 镍 | nickel |
| 锡 | tin |
| 钢 | steel |
| 不锈钢 | stainless steel |
| 最大的 | maximum |
| 最小的 | minimum |
| 平均的 | average |
| 标准差 | standard deviation |