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(hù)、檢修工作都必須在完全切斷電源的情況下進(jìn)行,請(qǐng)?jiān)诖蜷_機(jī)殼前確認(rèn)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?fàn)顟B(tài)裝置的自容式應(yīng)急燈具,從休止向正常狀態(tài)的轉(zhuǎn)換應(yīng)在不大于0 . 9倍額定電壓下自動(dòng)運(yùn)行3秒,在500次開關(guān)周期結(jié)束切斷電源的2秒時(shí)間內(nèi)應(yīng)使自容式燈具進(jìn)入休止?fàn)顟B(tài)。