is the international standard specifically governing low-voltage busbar trunking systems (BTS) , commonly known as busways . This part of the IEC 61439 series defines the service conditions, constructional requirements, and verification routines for systems with rated voltages up to 1,000 V AC or 1,500 V DC . Key Technical Aspects
It does not apply to individual devices like motor starters or supply track systems covered by IEC 60570 or IEC 61534 . Key Technical Requirements & Verifications iec 61439-6 pdf
: Focuses on "busway" or "bus duct" systems used for power distribution in industrial, commercial, and similar buildings. Clearance & Creepage 000 V AC or 1
You can buy the identical standard from your country’s representative: iec 61439-6 pdf