Integration in power distribution equipment
7.4 Requirement according to IEC 61439
3WA1 air circuit breaker
526 Equipment Manual, 02/2023, 92310000002-06
7.4 Requirement according to IEC 61439
7.4.1 Standard IEC 61439
Standard IEC 61439 describes the design verification for IEC equipment and controlgear
assemblies and the responsibilities of the original equipment manufacturer (OEM) or
builder.
The IEC 61439 standard consists of several parts:
• The general Part 1 applies to power distribution equipment and power distribution
boards, as well as control and switchgear cabinets.
• Part 2 applies to power switchgear and controlgear assemblies.
The 3WA circuit breaker can be flexibly and easily integrated into power distribution
equipment according to IEC 61439. The following chapter describes how to integrate the
circuit breaker in your power distribution equipment and what you have to watch out for
during this procedure.
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