高压配电柜是指用于电力系统发电、输电、配电、电能转换和消耗中起通断、控制或保护等作用，电压等级在3.6kV~550kV的电器产品，主要包括高压断路器、高压隔离开关与接地开关、高压负荷开关、高压自动重合与分段器，高压操作机构、高压防爆配电装置和高压开关柜等几大类。高压开关制造业是输变电设备制造业的重要组成部分，在整个电力工业中占有非常重要的地位。
High-voltage distribution cabinet refers to the electrical products used in power generation, transmission, distribution, power conversion and consumption in power system, which play the role of on-off, control or protection. The voltage level is 3.6kV~550kV. It mainly includes high-voltage circuit breaker, high-voltage isolator and grounding switch, high-voltage load switch, high-voltage automatic reclosure and segmenter, and high-voltage. Operating mechanism, high-voltage explosion-proof distribution device and high-voltage switchgear, etc. High voltage switch manufacturing industry is an important part of power transmission and transformation equipment manufacturing industry, and plays a very important role in the whole power industry.