Revision as of 17:33, 18 May 2014 by hw>Fkb (Text replacement - "|article_responsibility = EEC" to "|article_responsibility = EEC")(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff) Template:Infobox bms 1 DC-AC Drives[edit | edit source] Always switch off the DC supply and wait until the Voltage is less than 50VDC before opening a breaker