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DL/T 620-1997Overvoltage protection and instilation coordination for AC electrical installations (English PDF)

交流电气装置的过电压保护和绝缘配合

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Issued by

Ministry of Electric Power Industry

Level / Type

National · Recommended

Issue date

April 21, 1997

Implementation date

October 1, 1997

Scope

DL/T 620-1997 is the English-translated version of 交流电气装置的过电压保护和绝缘配合.

DL/T 620-1997 is the Chinese industry standard "Overvoltage protection and instilation coordination for AC electrical installations". It was issued on April 21, 1997 by the Ministry of Electric Power Industry, and took effect on October 1, 1997. It is in force.

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Document preview — DL/T 620-1997

National Standard of the People's Republic of China

Issued by: Ministry of Electric Power Industry

Document data

1 Document data

Sector: Electricity & Power (industry standard).

Issuing body: Ministry of Electric Power Industry.

Date of issue: 1997-04-21.

Date of implementation: 1997-10-01.

Status: valid.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

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