Uninterruptible power systems (UPS) - Part 1: General and safety requirements for UPS (First revision) (IEC 62040-1:2008, IDT)
This Malaysia Standard applies to uninterruptible power systems (UPS) with an electrical energy storage device in the d.c. link. It is used with IEC 60950-1, which is referred to in this standard as "RD" (reference document).