NB/T 11437-2023Voltage conversion and protection devices of explosion-proof iron removers used in mines (English PDF)
矿用防爆型除铁器电压变换与保护装置
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Issued by
National Energy Administration
Level / Type
National · Recommended
Issue date
December 28, 2023
Implementation date
June 28, 2024
Scope
NB/T 11437-2023 is the English-translated version of 矿用防爆型除铁器电压变换与保护装置.
NB/T 11437-2023 — This document specifies the product classification and technical parameters of the voltage conversion and protection device for explosion-proof iron removers for mining (hereinafter referred to as the "device").
Numbers, requirements, test methods, inspection rules, marking, packaging, transportation and storage. This document is applicable to the voltage conversion and protection device of mining explosion-proof iron remover used in coal mines and non-coal mine workplaces.
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Document preview — NB/T 11437-2023
National Standard of the People's Republic of China
- ICS
- 29.260.20
- Classification
- D 98
Issued by: National Energy Administration
Contents
- Document data1
Document data
International classification (ICS): 29.260.20.
Chinese classification (CCS): D98.
Estimated length of the Chinese original: 22,285 words.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 2423.4-2008Environmental testing for electric and electronic products - Part 2: Test method - Test Db: Damp heat, cyclic (12 h + 12 h cycle)
- GB/T 3836.1-2021Explosive atmospheres - Part 1: Equipment - General requirements
- GB/T 3836.2-2021Explosive atmospheres - Part 2: Equipment protection by flameproof enclosures 'd'
- GB/T 3836.3-2021Explosive atmospheres - Part 3: Equipment protection by increased safety 'e'
- GB/T 3836.4-2021Explosive atmospheres - Part 4: Equipment protection by intrinsic safety 'i'
- GB/T 4208-2017Degrees of protection provided by enclosures (IP code)
GB/T 14048.1-2023
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Related Standards
GB/T 10111-2008 — Generation of random numbers and procedures applied to sampling inspection for product quality
GB/T 14048.4-2020 — Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters(Including motor protector)
GB/T 2423.4-2008 — Environmental testing for electric and electronic products - Part 2: Test method - Test Db: Damp heat, cyclic (12 h + 12 h cycle)
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NB/T 11437-2023
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