Supplementary Specification to IEC 62040-5-3 DC …
Supplementary Specification to IEC 62040-5-3 DC Uninterruptible Power Systems (UPS) Page 4 of 23 S-702 August 2020 Introduction The purpose of this specification is to define a minimum common set of requirements for the procurement of DC uninterruptible power systems (UPS) in accordance with IEC 62040-5-3, Uninterruptible power systems