<form id="bnvbf"><nobr id="bnvbf"><meter id="bnvbf"></meter></nobr></form>

<form id="bnvbf"><th id="bnvbf"><progress id="bnvbf"></progress></th></form>

<address id="bnvbf"><address id="bnvbf"><menuitem id="bnvbf"></menuitem></address></address>

<address id="bnvbf"></address>

      <address id="bnvbf"><address id="bnvbf"><nobr id="bnvbf"></nobr></address></address>

      Emergency switchboard

      image

      Emergency switchboard


      1. Purpose and main functions


      When the main distribution board loses power, the contact switch between the emergency distribution board and the main distribution board will be opened automatically; the emergency generator will start automatically within 45s, and the main switch of the emergency generator will be closed automatically; When the power supply of the main distribution board is restored, the main switch of the emergency generator is automatically opened, and the contact switch between the emergency distribution board and the main distribution board is automatically closed. After the main switch of the emergency generator is opened, the emergency generator will be automatically stopped after a delay of 10 minutes. The distribution board can realize the short circuit protection, overload protection and under voltage protection of the generator, and has the functions of automatic starting, power supply, opening, shutdown, fault alarm, etc.
       

      2. Model meaning


      国产成年无码久久久久下载,四虎在线永久免费国产,狼友av永久网站免费观看孕交,免费又黄又裸乳的美女照片