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About Low-voltage electrical apparatus Certification

CQM Low Voltage Electrical Apparatus includes low-voltage switchgear and low-voltage components.
low-voltage switchgear is suitable for power switchgear with rated voltage not exceeding 1000V and frequency not exceeding 1000Hz, Busbar trunking systems(busways), distribution board, Low-voltage reactive power compensation assemblies. The certification modes of low-voltage switchgear include Certification model 1:Type test+Follow-up inspection
Certification model 2:Type test+Initial inspection of the factory+Follow-up inspection
Certification model3:Design identification + partial project type test +Follow-up inspection
Certification model 4:Design identification + partial project type test +Initial inspection of the factory+Follow-up inspection.
Low-voltage components are suitable for low-voltage components with rated working voltage less than 1000V (AC 1140V can be executed by reference) and DC less than 1500V. The product certification mode of low-voltage components is divided into Type test+Follow-up inspection, Type test+Initial inspection of the factory+Follow-up inspection.

 

 

 

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