不斷電電源 uninterruptible power su ly(u ); uninterruptible power supply(ups)
不間斷電源 rps uninterruptible power supply; u uniterruptable power output; uninterruptable power supply(ups); uninterruptable power system; uninterrupted power su ly; uninterruptible power su ly; uninterruptible power supply/ups; ups alimentation non interruptible (ups); ups uninterruptible power supply; ups uniterruptable power output; ups(uninterruptable power supply); ups,uninterrupted power supply
All maintenance , service and cleaning work must be performed with power removed . make sure you have unplugged the power cord before opening the cabinet 所有的維護、檢修工作都必須在完全切斷電源的情況下進行,請在打開機殼前確認已拔下電源插頭。
For ballasts with rest mode facility changeover from rest mode to normal mode shall occur automatically at greater than 0 . 9 times the off cycle extended to 3 s and the ballast put into the rest mode after 2 s of the off periods in the 500 switching cycles 帶有休止狀態裝置的自容式應急燈具,從休止向正常狀態的轉換應在不大于0 . 9倍額定電壓下自動運行3秒,在500次開關周期結束切斷電源的2秒時間內應使自容式燈具進入休止狀態。