Applies to electronic uninterruptible power systems (UPS) with an electrical energy storage device in the d.c. link. It is to be used with IEC 60950-1 which is referred to in this standard as "RD".
IEC 62040-1-2:2004 history
1970IEC 62040-1-2:2002/COR2:2004 Corrigendum 2 - Uninterruptible power systems (UPS) - Part 1-2: General and safety requirements for UPS used in restricted access locations
2004IEC 62040-1-2:2004 Uninterruptible power systems (UPS) - Part 1-2: General and safety requirements for UPS used in restricted access locations
1970IEC 62040-1-2:2002/COR1:2002 Corrigendum 1 - Uninterruptible power systems (UPS) - Part 1-2: General and safety requirements for UPS used in restricted access locations
2002IEC 62040-1-2:2002 Uninterruptible Power Systems (UPS) - Part 1-2: General and Safety Requirements for UPS Used in Restricted Access Locations (Edition 1.0; Corrigendum 1: 12/2002)
IEC 62040-1-2:2004 Uninterruptible power systems (UPS) - Part 1-2: General and safety requirements for UPS used in restricted access locations was changed to IEC 62040-1:2008 Uninterruptible Power Systems (UPS) - Part 1: General and safety requirements for UPS.