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JB/T 15053-2025Marine AC medium voltage circuit breaker (English PDF)

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

May 9, 2025

Implementation date

November 1, 2025

Scope

JB/T 15053-2025 (Marine AC medium voltage circuit breaker) is available as an English-translated PDF.

JB/T 15053-2025 — This standard specifies the symbols, classifications, characteristics, normal operating conditions, installation conditions, structural and performance requirements for marine AC medium-voltage circuit breakers.

It describes the corresponding test methods and specifies marking, documentation, packaging, transportation, and storage.

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Document preview — JB/T 15053-2025

National Standard of the People's Republic of China

ICS: 47.020.61
Classification: U 61

Issued by: Ministry of Industry and Information Technology

What this standard covers1
Document data2

What this standard covers

This standard specifies the symbols, classifications, characteristics, normal operating conditions, installation conditions, structural and performance requirements for marine AC medium-voltage circuit breakers. It describes the corresponding test methods and specifies marking, documentation, packaging, transportation, and storage. This document applies to the manufacture of marine AC medium-voltage circuit breakers ranging from 3kV to 15kV, with frequencies of 50Hz, 60Hz, and 50/60Hz.

Document data

International classification (ICS): 47.020.61.

Chinese classification (CCS): U61.

Estimated length of the Chinese original: 41,467 words.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 27 pages — is available in the English PDF.

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