This part of IEC 61347 specifies particular safety requirements for d.c. supplied electronic ballasts for maintained and non-maintained emergency lighting purposes.It includes specific requirements for ballasts and control units for luminaires for emergency lighting as specified by IEC 60598-2-22.This first edition of IEC 61347-2-7, together with IEC 61347-1, cancels and replaces section six of the first edition of IEC 60924, published in 1990, and constitutes a minor revision.This standard shall be used in conjunction with IEC 61347-1. It was established on the basis of the first edition (2000) of that standard.
This standard specifies general and safety requirements for electronic ballasts for use on d.c. supplies, having rated voltages not exceeding 250 V, associated with fluorescent lamps complying with IEC 81. This standard also specifies electronic ballasts for lamps which are not yet standardized. lt does not specify independent ballasts. Supersedes IEC 60458.
This part of IEC 61347 specifies particular safety requirements for d.c. supplied electronic ballasts for maintained and non-maintained emergency lighting purposes. It includes specific requirements for ballasts and control units for luminaires for emergency lighting as specified by IEC 60598-2-22.
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