low voltage switch board 低压开关板 ; 低压开关扳
high voltage switch board 高压开关板
AC low voltage switch board 交流低压配电屏
OVER-VOLTAGE PROTECTIVE BOARD 过压保护板
Voltage feedback board 电压反馈板
Low Voltage Auxiliary Control Board 低压辅助控制屏
The hardest part of designing a properly guarded switch is to fit all the traces on the board and maintain proper voltage spacing.
设计一个合适的保护开关的最难点是适合印制板上的所有布线，并保证适当的电压空间。
Consequently, it is best to change the level in case of two supply voltage coexist on one board and application of power management.
因此，最好是改变电源电压的两个并存的情况在一板和电源管理应用水平。
Underlying data acquisition board used PIC18F248 as the main chip, completing voltage monitoring, temperature measurement, CAN communication.
下层数据采集板选用PIC18 F 248作为主芯片，完成电压监测、温度测量、CAN通信等功能。
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