Safe; Low voltage dc 12V power supply , so it's very safe.

安全；采用低压直流12V供电电压，因此使用上非常安全。

youdao

Low voltage DC power is also provided for control power and emergency power.

低压直流电作控制电源和应急电源。

youdao

Low voltage DC power is also provided for control power and emergency power.

低压直流电作控制电源和应急电源。

youdao