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SJ/T 12028-2025Dimensions and mounting hole technical requirements for terrestrial crystalline silicon photovoltaic modules (English PDF)

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

September 9, 2025

Implementation date

March 1, 2026

Scope

SJ/T 12028-2025 (Dimensions and mounting hole technical requirements for terrestrial crystalline silicon photovoltaic modules) is available as an English-translated PDF.

SJ/T 12028-2025 — This standard specifies the external dimensions of ground-mounted crystalline silicon photovoltaic (PV) modules, as well as the locations and sizes of mounting holes for framed modules.

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Document preview — SJ/T 12028-2025

National Standard of the People's Republic of China

ICS: 31.260
Classification: K 83

Issued by: Ministry of Industry and Information Technology

What this standard covers1
Document data2

What this standard covers

This standard specifies the external dimensions of ground-mounted crystalline silicon photovoltaic (PV) modules, as well as the locations and sizes of mounting holes for framed modules. It applies to single-glass and double-glass PV modules that use cells with side lengths of 166mm �� 0.25mm, 182mm �� 0.25mm, or 210mm �� 0.25mm, and that comply with the specifications for Pollution Degree 1 or 2 and Material Group I as defined in IEC 61730-1:2016; other cell and module types not listed here may refer to the contents of this standard.

Document data

International classification (ICS): 31.260.

Chinese classification (CCS): K83.

Estimated length of the Chinese original: 10,132 words.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.

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