| Subject | English | Japanese |
| PSP | fixed trip mechanical switching device | 固定トリップ機械式開閉装置 |
| electr.eng. | integral switching device | 内蔵スイッチ器具 |
| electr.eng. | I2t characteristic of a switching device | 開閉機器のI2t特性 |
| PSP | mechanical switching device | 機械式開閉装置 |
| PSP | pole of a switching device | 開閉装置の極 |
| PSP | semiconductor switching device | 半導体スイッチング素子 |
| electr.eng. | semiconductor switching device | 半導体スイッチング器具 |
| comp., MS | single switch device | シングル スイッチ装置 (An assistive computer technology for people with mobility impairments. A single switch device allows users to interact with a computer by using slight body movements) |
| PSP | switching device | 開閉装置 (kaihei-sōchi) |
| electr.eng. | switching device | スイッチング器具 |
| PSP | trip-free mechanical switching device | 自由トリップ機械式開閉装置 |