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GB/T 14048.7-2016 English PDF

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GB/T 14048.7-2016: Low-voltage switchgear and controlgear -- Part 7-1: Ancillary equipment -- Terminal blocks for copper conductors
Status: Valid

GB/T 14048.7: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 14048.7-2016English619 Add to Cart 6 days [Need to translate] Low-voltage switchgear and controlgear -- Part 7-1: Ancillary equipment -- Terminal blocks for copper conductors Valid GB/T 14048.7-2016
GB/T 14048.7-2006English799 Add to Cart 4 days [Need to translate] Low-voltage switchgear and controlgear -- Part 7-1: Ancillary equipment -- Terminal blocks for copper conductors Obsolete GB/T 14048.7-2006
GB 14048.7-1998English799 Add to Cart 5 days [Need to translate] Low-voltage switchgear and controlgear. Ancillary equipment. Section 1: Terminal blocks for copper conductors Obsolete GB 14048.7-1998

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Basic data

Standard ID GB/T 14048.7-2016 (GB/T14048.7-2016)
Description (Translated English) Low-voltage switchgear and controlgear -- Part 7-1: Ancillary equipment -- Terminal blocks for copper conductors
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard K30
Classification of International Standard 29.120.60
Word Count Estimation 31,363
Date of Issue 2016-02-24
Date of Implementation 2016-09-01
Older Standard (superseded by this standard) GB/T 14048.7-2006
Regulation (derived from) National Standard Announcement No
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 14048.7-2016: Low-voltage switchgear and controlgear -- Part 7-1: Ancillary equipment -- Terminal blocks for copper conductors


---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.
Low-voltage switchgear and controlgear - Part 7-1. Ancillary equipment - Terminal blocks for ICS 29.120.20 K30 National Standards of People's Republic of China Replace GB/T 14048.7-2006 Low-voltage switchgear and controlgear - Part 7-1. Auxiliary device copper conductor terminal block Part 7-1. Ancilaryequipment-Terminalblocksforcopperconductors (IEC 60947-7-1..2009, MOD) 2016-02-24 released 2016-09-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People 's Republic of China China National Standardization Management Committee released Directory Preface I Basic requirements 1

2 terms and definitions

Category 3 4 Features 2 5 Product information 4 6 normal use, installation and transportation conditions 4 7 Structure and performance requirements 5 8 Test 6 Appendix A Blank 16 Appendix B (informative) Terms and Conditions relating to manufacturers and user agreements 17 Appendix C Blank 18 Appendix D (normative appendix) Additional requirements for isolated terminal blocks for testing 19 Reference 26

Foreword

GB 14048 "Low-voltage switchgear and control equipment" is divided into the following 21 parts. - Part 1. General; - Part 2. Circuit breakers; - Part 3. switch, isolator, disconnector and fuse combination; - Part 4-1. Contactors and motor starters Electromechanical contactors and motor starters (including motor protector); - Part 4-2. Contactors and motor starters - AC semiconductor motor controllers and starters (including soft starters); - Part 4-3. Contactors and motor starters - AC semiconductor controllers and contactors for non - motor loads; - Part 5-1 Control circuit Electrical and switching elements Electromechanical control circuit appliances; - Part 5-2. Control circuit appliances and switching element proximity switches; - Part 5-3. Control circuit electronics and switching elements - Proximity switches (PDF) with definite function under fault conditions Claim; - Part 5-4. Control circuit appliances and switching elements - Evaluation of performance of small capacity contacts - Special tests; - Part 5-5. Control circuit appliances and switching elements - Electrical emergency braking devices with mechanical latch function; - Part 5-6. Control circuit appliances and switching elements - DC interface (NAMUR) for proximity sensors and switching amplifiers; - Part 5-7. Control circuit appliances and switching elements for approaching equipment with analog outputs; - Part 5-8. Control circuit appliances and switching elements - Three enable switches; - Part 5-9. Control circuit appliances and switching element flow switches; - Part 6-1. Multifunctional electrical switchgear; - Part 6-2. Multifunctional electrical appliances (equipment) control and protection switchgear (equipment) (CPS); - Part 7-1. Terminal blocks for auxiliary devices for copper conductors; - Part 7-2. Protective devices - Protection conductors for copper conductors - Terminal blocks; - Part 7-3. Safety requirements for auxiliary device fuses terminal blocks; - Part 8. Loaded thermal protection (PTC) control unit for rotating electrical machines. This section is part 7-1 of GB 14048. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This part of the replacement GB/T 14048.7-2006 "Low-voltage switchgear and controlgear Part 7-1. auxiliary device copper conductor connection Line terminal block ". The technical differences between this part and GB/T 14048.7-2006 are. --- "Additional information" should be added by the manufacturer's content "g) Conventional free air heating current (Ith)" and increased The annotations of the item; --- Refer to 7.1.3 "Electrical Clearance and Creepage Distance" and 7.2.2 "Dielectric Properties" on "Terminal blocks without Uimp specified" Its minimum clearance and creepage distances are described in Appendix A "." The manufacturer does not specify the rated impulse withstand Voltage Uimp terminal block, the Uimp minimum see GB 14048.1-2012 Appendix H "; --- 7.1.4 "Identification and marking of terminals" Added "For the identification of terminal blocks, yellow-green mixed colors are not allowed" Last paragraph; --- 7.1.5 "Non-normal heat and fire", after the first paragraph to add a sentence "GB 14048.1-2012 7.1.2.2 In addition to note, Not applicable to this part "; --- 7.1.6 "rated cross-sectional area and rated connection capacity", in the first paragraph after the addition of a "consistency verification can be based on 8.3.3.4 Test proceeding "; --- 8.2 "General requirements for testing", add the last paragraph "If one of the terminal blocks can not pass one of the tests Test, you need to repeat the test on the second set of terminal blocks, then all the terminal blocks should be repeated through the test. If this is the one Test is a part of the test sequence, then all the test sequence should be repeated "; --- 8.3.2, 8.3.3.2, 8.4.5 and 8.4.6 on the "thread diameter less than or equal to 2.8mm screw-type clamping parts, tightening torque In accordance with the provisions of Table C.1 or the manufacturer's specified value "are changed to" tightening torque should be GB 14048.1-2012 in Table 4 Of the specified value, or according to the manufacturer specified higher torque value. "; --- 8.3.3.4 "Verification of rated cross-sectional area and rated connection capability" Finally added a new section "Theoretical diameter of the largest conductor see GB 14048.1-2012 in Table 7a (Correspondence between conductor cross-sectional area and diameter) "; In the original appendix A, appendix B, appendix C, delete appendix A and appendix C, retain appendix B, and add new appendix D (Normative). Additional requirements for isolating terminal blocks for testing. This part uses the re-drafting method to modify the use of IEC 60947-7-1..2009 (version 3.0) "Low-voltage switchgear and control equipment 7-1 part. auxiliary device copper conductor terminal block ". The technical differences between this part and IEC 60947-7-1..2009 are. --- on the normative reference documents to GB 14048.1-2012 low-voltage switchgear and control equipment Part 1. General (IEC 60947-1..2011, MOD) instead of IEC 60947-1..2007; --- AC rated voltage 1140V electrical appliances can refer to this part of the implementation of the electrical performance requirements by the manufacturer and the user association To determine; - According to China's environmental and material requirements, supplemented by the relevant requirements of the damp-heat performance (7.1.7) and its test method (8.3.3.6) And in the Appendix D made the appropriate editorial changes, that is, the clause No. D.7.1.7 changed to D.7.1.8; --- For ease of understanding, add a note to the definition of "Terminal block", indicating that the terminal block in this section is made up of multiple wiring Terminal block combination; --- For ease of understanding, add the markings to the title of the Appendix D "Test Isolated Terminal Blocks" Also called 'Switch Type Terminals Row "or" isolated terminal strip "and so on. This part is made by China Electrical Equipment Industry Association. This part of the national low-voltage electrical appliances Standardization Technical Committee (SAC/TC189) centralized. This part is responsible for the drafting unit. Shanghai Electric Research Institute. This part participates in the drafting unit. Phoenix China Investment Co., Ltd., Weidmüller Electric (Shanghai) Co., Ltd., Shanghai Engineering Technology University of Technology, Zhejiang Province, high and low voltage electrical product quality inspection center, Shanghai electrical equipment testing. This part of the main drafters. Zhang Lili, Huang Jingye, Wu Qingyun, Zhu Shiming, Wang Chengping, Pan Ying, Lin Jie, Sun Jinfeng This part of the previous version of the standard to replace the release of the situation. --- GB 14048.7-1998, GB/T 14048.7-2006. Low-voltage switchgear and controlgear - Part 7-1. Auxiliary device copper conductor terminal block

1 basic requirements

1.1 Scope This part of GB 14048 specifies the installation of an electrical connection for copper conductors for use in industrial or similar applications on a support and Mechanical connection of threaded or non-threaded terminal block requirements. This part applies to the rated voltage AC does not exceed 1000V1), frequency to 1000Hz or DC does not exceed 1500V circuit, with In the connection cross-sectional area of 0.2mm2 ~ 300mm2 (AWG24/600kcmil) with or without special processing of the round copper wire terminal Sub-row. 1) AC rated voltage 1140V electrical appliances can refer to this part of the implementation. The requirements for electrical performance and other requirements are determined by the manufacturer and the user. Note. AWG is an abbreviation for "American Wire Gauge" kcmil = 1000cmil 1cmil = 1 round ear = diameter 1 mil round area 1mil = 1/1000 inch The following products may use this section as a guide. --- need to install a special device on the wire terminal block, such as fast connection terminals or connection connections; - with the edge or tip puncture insulation to achieve direct contact with the wire terminal block, such as insulation transfer connections; --- Special types of terminal blocks, such as terminal blocks with diodes or rheostats or similar component brackets. When referring to GB 14048.1-2012, the term "clamping element" is used in this section instead of "terminal". 1.2 Normative references The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 5169.5-2008 Fire hazard testing for electric and electronic products - Part 5. Test flame flame flame test method, Confirmation of test methods and guidelines (IEC 60695-11-5..2004, IDT) GB 14048.1-2012 Low - voltage switchgear and controlgear - Part 1. General (IEC 60947-1..2011, MOD) ISO 4046-4..2002 Glossary of paper, cardboard, pulp and related terms - Part 4. Paper and board grades and conversion products

2 terms and definitions

The terms and definitions defined in GB 14048.1-2012 and the following terms and definitions apply to this document. 2.1 Terminal block terminalblock An insulating member having one or more terminal blocks which are insulated from each other and intended to be mounted on a holder. Note. The terminal block (terminalblocks) that appear in this section is a combination of multiple terminal blocks. 2.2 Rated cross-section ratedcross-section The maximum cross-sectional area of all connectable types of conductors specified by the manufacturer, the wires are hard wires (single-core and multi-strand) and cord

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