IEC 61439
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The implication of the standard
The IEC
61439 standard establishes the rules and regulations governing low-voltage
switchgear and control gear assemblies (known collectively as Assemblies). It
was introduced in 2011 to make requirements and checks more rigorous and
consistent. In particular, the standard distinguishes between the
responsibilities of the original manufacturer and those of the assembly
manufacturer:
The IEC
61439 standard specifies the responsibilities of each party, by differentiating
those of the original manufacturer from those of the assembly manufacturer.
Main objectives
01 Guarantee of operation of the electric installation downstream of the assembly
02 Electric current conducting capacity
03 Resistance to short circuits
04 Electromagnetic compatibility
05 Protection of persons against electric shocks
06 Protection of persons and the assembly against fire
07 Resistance to mechanical and climatic environment
08 Protection of the assembly against power surges
09 Maintenance and modification capability
10 Ability to install on site
Documentation and labelling
You
must be able to identify each assembly with one or more labels, marked in a
lasting manner and placed at a location allowing easy visibility and legibility
when the assembly is installed and in use.
- Identification labels
- Handling, installation, operation, and maintenance instructions
- List of individual checks
- Declaration of compliance
How to manage
systematic
verification?
As the assembly manufacturer, you are responsible for the systematic verification of each assembly based on the below 9 routine checks:
01 Degree of protection acquired through the covers
02 Clearance and creepage distances
03 Protection against electric shocks and integrity of protection circuits
04 Integration of incorporated components
05 Internal electric circuits and connections
06 Terminals for external conductors
07 Mechanical operation
08 Electrical properties
09 Wiring, electrical operation, and function of power-frequency withstand voltage
Need a training?
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about IEC 61439 standards and support you in the development of business
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