IEC 60038 Ed. 7.1 b:2021

Current Revision

IEC standard voltages

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IEC 60038 Ed. 7.1 b:2021

Name: IEC 60038 Ed. 7.1 b:2021 – IEC standard voltages
Brand: International Electrotechnical Commission
SKU: IEC 60038 Ed. 7.1 b:2021
Price: 214.06 USD
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IEC standard voltages

PUBLISH DATE 2021

PAGES 72

The International Electrotechnical Commission (IEC) defines standard voltages for electrical systems to ensure compatibility and safety across different regions and applications.

Common IEC Standard Voltages Include:

Low Voltage (LV) systems: typically up to 1000 V AC or 1500 V DC
Medium Voltage (MV) systems: typically between 1 kV and 35 kV
High Voltage (HV) systems: above 35 kV

IEC standard voltages help in the design and manufacturing of electrical equipment that complies with international safety and performance criteria.

IEC 60038:2009+A1:2021 specifies standard voltage values which are intended to serve as preferential values for the nominal voltage of electrical supply systems, and as reference values for equipment and system design.

This seventh edition constitutes a technical revision. The significant technical changes are:

the addition of the values of 230 V (50 Hz) and 230/400 V (60 Hz) to Table 1;
the replacement of the utilization voltage range at LV by a reference to the relevant standard and an informative annex;
the addition of the value of 30 kV to Table 3;
the replacement of the value of 1 050 kV by 1 100 kV in Table 5.

It has the status of a horizontal standard in accordance with IEC Guide 108.