Type test will be carried out on a sample of such an ASSEMBLY or on such parts os ASSEMBLIES manufactured to the same or similar design.
Type tests include the following:
verification of temparature rose limits (8.2.1)
verification of the dielectric properties (8.2.2)
verification of...
Saturday, November 21, 2009
Friday, November 20, 2009
Testing to DIN EN 60439-1
For a safety function of low-voltage switchgear com
binations it is necessary to match the different features of the individual components - the technical details to be considered are described in standard IN EN 60439-1(“Low-voltage switchgear combinations; part 1: Type-tested and partially type-tested assemblies“).
The proof of requirements for fulfilling the basic legal principles for low-voltage...
Type-tested (TTA) and Partially type-tested assemblies (PTTA)
Thursday, November 19, 2009
NEMA Enclosure Types
Index of Protection - IP rating of Enclosure
IEC 60439-1 / EN 60439-1
Type-tested low-voltage switchgear and controlgear assembly (TTA) A low-voltage switchgear and controlgear assembly conforming to an established type or system without deviations likely to significantly influence the performance, from the typical ASSEMBLY verified to be in accordance with this standard. IEC 60439-1 / EN 60439-1;2.1.1.1. Partially type-tested low-voltage...
Wednesday, November 18, 2009
What is the Electrical Panel?
An electrical enclosure is a cabinet for electrical or electronic equipment to mount switches, knobs and displays and to prevent electrical shock to equipment users and protect the contents from the environment. The enclosure is the only part of the equipment which is seen by users; in many cases it...
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