Standby Power Supply
备用电源
待机电源
备用电力供应
备用电源自动投入
备用照明
后备电源
供电
standby power supply auto-input
auxiliary switching power supply
Catenary Power Supply Device
High Frequency Switching Power Supply
High-frequency switching power supply
High-frequency switching power supply system
IC switching power supply
Precise switching power supply
reserve power supply automatic connection
Single-chip switching power supply
Special-purpose integrated switching power supply
Switching power supply
开关电源
高频开关电源
开关/电源
开关稳压电源
开关型电源
开头电源
Tiny single-chip switching power supply
welding switching power supply
Automatic supply device