GB/T 37144-2018 English PDF

US$439.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 37144-2018: Cabinets for low-voltage switchgear -- Electrical mechanical structures
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 37144-2018	439	Add to Cart	4 days	Cabinets for low-voltage switchgear -- Electrical mechanical structures	Valid

Similar standards

NB/T 10613   GB/T 40092   GB/T 37552   GB/T 37145   GB/T 37135   

Basic data

Standard ID: GB/T 37144-2018 (GB/T37144-2018)
Description (Translated English): Cabinets for low-voltage switchgear -- Electrical mechanical structures
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K05
Classification of International Standard: 31.240
Word Count Estimation: 22,276
Date of Issue: 2018-12-28
Date of Implementation: 2019-07-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 37144-2018: Cabinets for low-voltage switchgear -- Electrical mechanical structures

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Cabinets for low--voltage switchgear--Electrical mechanical structures ICS 31.240 K05 National Standards of People's Republic of China Low-voltage cabinet electrical and mechanical structure Published on.2018-12-28 2019-07-01 implementation State market supervision and administration China National Standardization Administration issued

Content

Foreword III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 2 4 Environmental adaptability 2 4.1 Requirements 2 4.2 Inspection and testing 2 4.3 Qualification judgment 2 5 surface 2 5.1 Requirements 2 5.2 Inspection and testing 3 5.3 Qualification Decision 3 6 insulation performance 3 6.1 Clearance 3 6.2 Creepage distance 4 6.3 Insulation resistance 5 6.4 Leakage current 5 6.5 Surface resistance mark 5 6.6 Withstand voltage test capability 5 6.7 Withstand AC power frequency voltage test capability 6 6.8 Temperature rise 7 6.9 Heat-resistant wire test 8 7 Electrical performance 8 7.1 Conductivity of conductor parts or components 8 7.2 Loop resistance (including loop resistance difference between phases) 8 7.3 Rating 9 7.4 Requirements for terminals 9 7.5 Protective earthing requirements 9 7.6 Normal load and overload characteristics (for main circuit) 10 7.7 Short circuit characteristics (for main circuit) 10 8 Mechanical properties 10 8.1 Impact 10 8.2 Collision 11 8.3 Free fall 11 8.4 Vibration 12 8.5 Mechanical life 12 9 enclosure protection class 12 9.1 Requirements 12 9.2 Inspection and testing 13 9.3 Qualification judgment 13 10 Information 13 10.1 Rating 13 10.2 Sign Identification 13 10.3 User Manual 14 11 Inspection rules 14 11.1 Inspection Classification 14 11.2 Inspection Report 14 Appendix A (informative) Type test items for different electrical and mechanical structure products 15 Table 1 Total air minimum clearance 3 under defined conditions 3 Table 2 Minimum creepage distance to withstand long-term stress under defined conditions 4 Table 3 Impact withstand voltage values under defined conditions 6 Table 4 AC power frequency voltage value corresponding to rated insulation voltage 6 Table 5 Heat resistance classification 7 Table 6 Temperature rise limit 7 Table 7 The meaning of the first digit of the IP rating 13 Table A.1 Type test items for different electrical and mechanical structures

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some of the contents of this document may involve patents. The issuing organization of this document is not responsible for identifying these patents. This standard is proposed and managed by the National Electrical and Electronic Equipment Structure Standardization Technical Committee (SAC/TC34). This standard was drafted. Jiangsu Tianxiang Electric Co., Ltd., Zhangjiagang Tianyue Electric Co., Ltd., Wenzhou Zhongyi Lock Appliance Co., Ltd. Company, Wenzhou Guotong Electric Appliance Co., Ltd., Xingji Electric Co., Ltd., Xuji Electric Co., Ltd. The main drafters of this standard. Zhong Jie, Zhao Jianming, Pan Zhengdong, Xue Hezhen, Shui Junzhe, Lu Xiaoqiang, Zhang Yongfeng, Yuan Pingding. Low-voltage cabinet electrical and mechanical structure

1 Scope

This standard specifies the environmental adaptability, surface, insulation properties and electrical properties of electrical connections or mechanical support products in low-voltage cabinets. Energy, mechanical properties, enclosure protection rating, information and inspection rules. This standard applies to the installation and supply to the user by the cabinet manufacturer, and the rated voltage is less than 1000V, the frequency is 50Hz (or 60Hz), or DC below 1500V, including but not limited to. ---Connectors for active connections in electrical circuits, including primary circuit connectors, secondary circuit connectors, or for plug connections Use device, etc.; ---Insulation for electrical support, including busbar clamps, insulators, etc.; ---Functions for electrical circuit distribution, including one circuit assigned to two circuits, three circuits or four circuits and above Energy --- Functional components mounted on the metal structure of the low-voltage cabinet, and made of insulating materials, including operating handles, ventilation windows, labels Box and so on. Note. Refer to Appendix A for the type test items of different electrical and mechanical structure products.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 2423.1-2008 Environmental testing of electric and electronic products - Part 2. Test methods Test A. Low temperature GB/T 2423.2-2008 Environmental testing of electrical and electronic products - Part 2. Test methods Test B. High temperature GB/T 2423.3-2016 Environmental testing - Part 2. Test method test Cab. constant damp heat test GB/T 2423.5-1995 Environmental testing for electric and electronic products - Part 2. Test methods Test Ea and guide. Impact GB/T 2423.6-1995 Environmental testing for electric and electronic products - Part 2. Test methods Test Eb and guide. Collision GB/T 2423.8-1995 Environmental testing of electric and electronic products - Part 2. Test method test Ed. Free fall GB/T 2423.10-2008 Environmental testing of electric and electronic products - Part 2. Test method test Fc. Vibration (sinusoidal) GB/T 2423.17-2008 Environmental testing of electric and electronic products - Part 2. Test method test Ka. salt spray GB/T 2828.1-2012.Sampling procedures for counting sampling - Part 1. Quantitative inspection by batches plan GB/T 4207-2012 Determination of resistance to tracking marks and comparison of electrical tracking index of solid insulating materials GB/T 4208-2017 enclosure protection grade (IP code) GB/T 5169.10-2017 Electrical and electronic products - Fire hazard testing - Part 10. Glowing wire/hot wire basic test method burning Hot wire device and general test method GB/T 5169.11-2017 Electrical and electronic products - Fire hazard testing - Part 11. Glowing wire/hot wire basic test method Glowing wire flammability test method (QWEPT) GB/T 5465.2-2008 Graphical symbols for electrical equipment - Part 2. Graphical symbols GB/T 11021-2014 Electrical insulation heat resistance and representation ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 37144-2018_English be delivered?

Answer: Upon your order, we will start to translate GB/T 37144-2018_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 37144-2018_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 37144-2018_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.