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GB 16915.5-2012 English PDF

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GB 16915.5-2012: [GB/T 16915.5-2012] Switches for household and similar fixed electrical installations -- Part 2-4: Particular requirements -- Isolating switches
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GB 16915.5-2012English779 Add to Cart 5 days [Need to translate] [GB/T 16915.5-2012] Switches for household and similar fixed electrical installations -- Part 2-4: Particular requirements -- Isolating switches Valid GB 16915.5-2012

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GB/T 42407   GB/T 20138   GB/T 5959.41   GB/T 16915.2   GB/T 16915.1   GB/T 16915.4   

Basic data

Standard ID GB 16915.5-2012 (GB16915.5-2012)
Description (Translated English) [GB/T 16915.5-2012] Switches for household and similar fixed electrical installations -- Part 2-4: Particular requirements -- Isolating switches
Sector / Industry National Standard
Classification of Chinese Standard K60
Classification of International Standard 29.120.40
Word Count Estimation 30,391
Quoted Standard IEC 61180-1-1992; IEC 60050-442-1998; IEC 60112-1979; IEC 60212-1971; IEC 60227-1-1993; IEC 60227-3-1993; IEC 60227-4-1992; IEC 60227-5-1979; IEC 60245-1-1994; IEC 60245-4-1994; IEC 60364-4-46-1981; IEC 60417-1973; IEC 60529-1989; IEC 60670-1989; IEC 6069
Adopted Standard IEC 60669-2-4-2004, IDT
Regulation (derived from) National Standards Bulletin No. 13 of 2012
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
Summary This Chinese standard provides for household and similar fixed electrical installations classification isolation switch, terminals, structural requirements, mechanical properties, electrical properties of technical requirements. GB 16915 this standard is

GB 16915.5-2012: [GB/T 16915.5-2012] Switches for household and similar fixed electrical installations -- Part 2-4: Particular requirements -- Isolating switches


---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.
Switches for household and similar fixed electrical installations.Part 2-4. Particular requirements.Isolating switches ICS 29.120.40 K60 National Standards of People's Republic of China Switches for household and similar fixed electrical installations Particular requirements for isolating switches. Part 2-4 Part 2-4. Particularrequirements-Isolatingswitches (IEC 60669-2-4.2004, IDT) Issued on.2012-06-29 2013-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 2 General requirements 5 General notes on 2 Rating 2 6 7 Category 2 8 mark 3 9 3 Dimensional inspection 10 Protection against electric shock 3 3 11 earthing 12 terminal 3 Structural requirements 13 7 14 switching mechanism 9 15 anti-aging, protection provided by enclosures and moisture switch 9 16 Insulation resistance and electric strength 9 17 10 temperature 18 Breaking capacity 10 19 normal operation 14 20 Mechanical strength 14 21 Heat 14 22 Screws, current-carrying parts and connections 14 23 creepage distance, electrical clearance and penetrating sealant 14 Abnormal heat-resistant, flame-resistant and electrically insulating material 24 of the 15 marks 25 rust 15 26 Electromagnetic compatibility (EMC) requirements 15 Appendix A (normative) List of test specimens required 21 Additional requirements in Appendix B (normative) of the flexible cable and flexible cable exit device with hold switch means 22 Annex AA (informative) short-circuit power factor determination 23 Appendix BB (informative) short-circuit test with short circuit protection device (SCPD) 24 Table 2 screw-type terminals can be connected to the rated current and the relationship between the copper conductor cross section of 4 Table 3 verify the screw-type terminal mechanical strength of the tightening torque of 4 Table 4 copper wire bend and pull test values 5 Pull test data in Table 5 Test 6 Table 6 Composition 6 wires Table 7 Relationship screwless terminals copper conductors rated current and connectable cross-section between the 6 Table 8 verify screwless terminals normally use electric and thermal stress test current 7 Table 9 screwless terminals bending test with a hard copper conductor cross-section 7 Table 10 bending test force 7 Table 12 Ming-mounted switch cable diameter limits 8 Altitude of about 101 tables and isolating switch rated voltage and test sites, verify the applicable between break contact isolation test Voltage 9 Table 15 Temperature rise test currents and copper conductor cross-section 10 Table 102 minimum I2t and Ip values 11 Table 103 short-circuit test power factor 12 Operating table 17 times the normal operation test 14 Silver wire diameter table BB.1 for the rated current and short-circuit current function of the size of the 24 101 with short circuit protection device unipolar disconnector short circuit withstand capability verification test circuit 16 102 bipolar isolating switch with short-circuit protection device is the ability to withstand short circuit verification test circuit 17 Three-pole isolating switch short-circuit capacity of the test circuit for testing 18 103 with short circuit protection device Four-pole isolating switch short-circuit capacity of the test circuit for testing 19 Figure 104 with short circuit protection device Experimental verification means the minimum I2t and Ip values 105 isolating switch shall withstand 20 References 25

Foreword

GB 16915 Chapter 10 of this section, Chapter 11, Chapter 16, Chapter 17, Chapter 18, 21.2, 23 chapters, 24 are mandatory, the rest It is recommended. GB 16915 "Switches for household and similar fixed electrical installations" is divided into two parts. --- Part 1. General requirements (GB 16915.1); --- Part 2. Particular requirements (GB 16915.2 ~ GB 16915.5) • Part 2-1. Particular requirements for electronic switches (GB 16915.2); • Part 2. Particular requirements - Section 2. remote control switch (GB 16915.3); • Part 2. Particular requirements - Section 3. delay switch (GB 16915.4); • Part 2-4. Particular requirements for isolating switches (GB 16915.5). This is part of the GB Part 2-416915. This section drafted in accordance with GB/T 1.1-2009 given rules. This section uses the translation method identical with IEC 60669-2-4.2004 (first edition) on "household and similar fixed electrical installations Off Part 2-4. Particular requirements for isolating switch. " Consistency correspondence between this part of international documents and normative references of the following documents. --- GB 16915.1 Switches for household and similar fixed electrical installations - Part 1. General requirements (GB 16915.1- 2003, IEC 60669-1.2000, MOD); --- GB/T 17627.1-1998 part of high-voltage test techniques for low voltage equipment. definitions and test requirements (eqv IEC 1180-1.1992). This part of IEC 60669-2-4.2004 made the following editorial changes. --- According to GB/T 1.1 relevant provisions in Chapter 1, "scope" in the first line of supplements "This section provides solid household and similar purposes Fixed electrical installations disconnectors classification, terminals, structural requirements, mechanical properties, electrical properties technical requirements. " --- According to GB/T 1.1 relevant provisions in Chapter 2, "Normative references" supplemented with IEC 60669-1 name. This part is proposed by the China Electrical Equipment Industrial Association. This part of the National Electric annex Standardization Technical Committee (SAC/TC67) centralized. This section drafted by. China Electric Apparatus Research Institute Co., Ltd., Hangzhou Hongyan Electric Co., Ltd., based Electric (Shenzhen) Co., Secretary, Zhejiang Chint Building Appliance Co., Ltd., the Bulls Group Co., Clipsal Industries (Huizhou) Co., Ltd. Shenzhen Branch, Simon Electric (China) Limited, NVC Lighting Technology Co., Ltd., Beijing Branch of the Electronic Technology Co., Ltd. Bo can be. The main drafters of this section. Luohuai Ping, a high hope, Wu, An Guilong, TURAL Ruanli Ping, Gong Zhi Lei, Huang Haijun, what uniform, Huang Shun pro, Li Lixin, Norman Tong, Caiying Feng Shao Jing Jiang. Switches for household and similar fixed electrical installations Particular requirements for isolating switches. Part 2-4

1 Scope

IEC 60669-1 of this chapter for the following modifications apply. Paragraph 1 is following elements instead. This section provides for household and similar fixed electrical installations disconnectors classification, terminals, structural requirements, mechanical properties, electrical Technical performance requirements. GB This section 16915 is suitable for indoor or outdoor use, rated voltage not exceeding 440V, rated current not exceeding 125A of General purpose isolation switches for household and similar fixed electrical installations manually. Note. According to GB/T 16935.1 "insulation coordination within the low-pressure system equipment - Part 1. Principles, requirements and tests", isolating switches designed for overvoltage category Ⅲ and pollution degree 2 environment.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. Switches Part 1 IEC 60669-1 for household and similar fixed electrical installations. General requirements (Switchesforhouse- After Generalrequirements) of this chapter for the following modifications. holdandsimilarfixed-electricalinstalations-Part 1 Be applicable. increase. IEC 61180-1.1992 low-voltage high-voltage test techniques - Part electrical equipment. definitions and test requirements (High-voltage testtechniquesforlowvoltageequipment-Part 1. Definitions, testandprocedurerequirements)

3 Terms and Definitions

IEC 60669-1 increase of this chapter the following applies. Increase definition. 3.101 Disconnector isolatingswitch The device is designed for electrical equipment or parts of the device and the power supply is isolated and connected, carry or cut off all current carrier phase pole switch. 3.102 Short Circuit conditionalshort-circuitcurrent Inc Switching without short-circuit protection and short circuit protection device is a suitable series (hereinafter referred to as SCPD) protection of workers in the use and provision of Under the conditions as to withstand the expected alternating current component values. 3.103 Joule integral value jouleintegral I2t Square of the current in a given time points. I2t = ∫ t1 t0 i2dt.

4 General requirements

IEC 60669-1 chapter apply.

5 general description of the test

IEC 60669-1 of this chapter for the following modifications apply. 5.4 Addition. About 18.101 tests, three additional specimens.

6 RATINGS

IEC 60669-1 of this chapter for the following modifications apply. 6.2 changes are as follows. In the first paragraph, delete the value "6A" and "10A", increase the value "80A, 100A and 125A" 1). 1) IEC description here adds two note. 101 Note. In the following countries, 13A are seen as preferred values. Denmark and the United Kingdom. 102 Note. In the UK, the rated current is less than 16A insulators allow widespread use. In the UK, the first part of this chapter apply. Addition of provisions. 6.101 limit short-circuit current (Inc) standard values and preferred values Note. The power factor related provisions in the table 103. 6.101.1 less than or equal to the value of 10000A Limit short-circuit current (Inc) standard value. 1500A, 3000A, 4500A, 6000A and 10000A. 6.101.2 value greater than 10000A Preferably of. 15000A, 20000A and 25000A. 25000A greater than the value of this standard is not considered. Category 7 IEC 60669-1 of this chapter for the following modifications apply. 7.1.1 Addition. Isolation switch code can only be 1, 2 or 03. 7.1.2 IEC 60669-1 clause does not apply to the present. 7.1.6 Addition. --- Type of track. 7.2 Table 1, column 1 the last line, the value "16,20,25,32,40 and 63" replaced by "greater than or equal to 16."

8 flag

IEC 60669-1 of this chapter for the following modifications apply. 8.1 Addition. --- "On" position (ON) and the "off" position (OFF) symbol; --- Isolation symbols; --- Rated limit short-circuit current (Inc); Catalog or manufacturer's instructions should be provided with isolating switch provides one or more short-circuit protection device (SCPDs) within a reference. 8.2 Addition. --- Isolation --- Rated limit short-circuit current (Inc) 8.3 Addition. Isolating switch should be marked using the symbol isolation and marked "on" and "off" position. These signs should be visible from the front, after installation, Even when the isolation switch is installed during normal use and wiring, and remove the front cover of the housing after the still visible from the front. These isolated character Number can be marked on the wiring diagram, even in combination with other functional symbols, as long as the sign is visible from the front under the foregoing conditions. Rated limit short-circuit current (Inc) logo should be marked on the isolation switch or the manufacturer's instructions published literature. 8.6 Paragraph 1 is replaced by the first one. Disconnector markings shall clearly indicate the actual position of the contacts. Remove Note 1.

9 Dimensional inspection

IEC 60669-1 chapter apply. 10 Protection against electric shock IEC 60669-1 of this chapter for the following modifications apply. 10.3 The first two lines are replaced by. Isolating switch accessible parts shall be insulated material, except for the following cases. 11 earthing IEC 60669-1 chapter apply. 12 terminal IEC 60669-1 of this chapter for the following modifications apply. Table 2 is replaced by. Table 2 rated current relationship and screw-type terminals can be connected between the copper conductor cross-section 1) 1) Remove the IEC in its original form here an endnote 2. In the UK, the rated current is less than 16A insulators allow widespread use. in England, IEC 60669-1 in Table 7 apply. Rated current range Hard wire (single or twisted) a Nominal cross-sectional area mm2 Thickest wire diameter mm 16b > 16 ~ 25 > 25-32 > 32 to 50 > 50-80 > 80 100 > 100 ~ 125 1.5-4 2.5 to 6 4-10 6 to 16 10 to 25 16 to 35 25 to 50 2.72 3.34 4.34 5.46 6.85 7.90 9.10 It allows the use of a flexible wire. Each power supply terminal b isolating switch, in addition to code for 3 and 03, should be able to connect two 2.5mm2 wires. Rated voltage not exceeding 250V isolation switch, the hole can be effectively connected to two 2.5mm2 wires. 12.2.5 Table 3 is replaced by. Table 3 verify the screw-type terminal mechanical strength of the tightening torque Thread nominal diameter mm Torque Nm ≤1.6 > 1.6-2.0 > 2.0 to 2.8 > 2.8 to 3.0 > 3.0 to 3.2 > 3.2-3.6 > 3.6 ~ 4.1 > 4.1 ~ 4.7 > 4.7 to 5.3 > 5.3 to 6.0 > 6.0-8.0 > 8.0 to 10.0 > 10.0 to 12.0 > 12.0 to 15.0 0.05 0.1 0.2 0.25 0.3 0.4 0.7 0.8 0.8 1.2 2.5 1.2 1.2 1.4 1.8 2.5 3.5 4.0 5.0 0.1 0.2 0.4 0.5 0.6 0.8 1.2 1.8 2.0 2.5 3.5 4.0 0.1 0.2 0.4 0.5 0.6 0.8 1.2 1.8 2.0 3.0 6.0 10.0 1.2 1.8 2.0 3.0 4.0 6.0 8.0 10.0 Table 3 (Continued) Thread nominal diameter mm Torque Nm Note 1. Column 1 is not applicable to emerge after the screw tightening the headless screws, the screws can not be used, and other blade wider than the diameter of the screw screwdriver tightening. Column 2 applies to use a screwdriver to tighten the cap nut terminals. Column 3 applies to other screws screwdriver to tighten the screws. Column 4 applies to nuts not use a screwdriver to tighten the cap nut terminals. Column 5 applies to other than using a screwdriver to tighten the screws or nuts of terminals in addition to the cover nut outside. Column 6 applies to nuts center hole location on the switch. Where screws have tightened with a screwdriver slotted hexagonal screw head, and the values in column 3 and column 5 and a different person, you want to test twice. First, a hexagonal screw head torque specified in column 5 is applied, and then, and then applying a torque screwdriver specified in column 3. If the first column and 3 The same value of column 5, just experiment carried out with a screwdriver. Note 2. terminals cover a predetermined nominal diameter is slotted bolt nominal diameter. Note 3. The shape of the test screwdriver blade must be suitable for the test of the screw head. Note 4. Do not use explosive force to tighten the screws and nuts. Table 4 is replaced by. Table 4 copper wire bend and pull test values 2) 2) Remove the IEC in its original form here an endnote 4. In the UK, the rated current is less than 16A insulators allow widespread use. In the UK, IEC 60669-1 in Table 4 apply. A conductor cross-section mm2 Sleeve hole diameter b mm Height c mm The conductor corresponding weights kg 260 1.5 6.5 0.4 280 2.5 9.5 0.7 280 4.0 9.5 0.9 6.0 10.0 9.5 9.5 1.4 2.0 16.0 25.0 13.0 13.0 2.9 4.5 35 320 6.8 14.5 5,016,340 9.5 Correspondence between a mm2 and AWG gauge size See GB 17464. b If the bushing hole diameter is not large enough to wire bundle can be inserted into the sleeve hole, you can switch to freshman size casing. c high degree of tolerance = ± 15mm. 12.2.6 Table 5 is replaced by. Table 5 pull-out test of the test data 3) 3) here to delete a endnotes IEC original Table 5. In the UK, the rated current is less than 16A insulators allow widespread use. in England, IEC 60669-1 in Table 5 apply. 4) Remove the IEC in its original form here an endnote 6. In the UK, the rated current is less than 16A insulators allow widespread use. in England, IEC 60669-1 in Table 6 apply. 5) Remove the IEC in its original form here of a 7 Endnotes. In the UK, the rated current is less than 16A insulators allow widespread use. in England, IEC 60669-1 in Table 7 apply. Lead terminals can be connected to the Cross-sectional area/mm2 1.5 ~ 2.5 2.5 ~ 44 ~ 66 ~ 1010 ~ 1616 ~ 2525 ~ 3535 ~ 50 Rally/N 50 50 60 80 90 100 190 235 12.2.7 Table 6 is replaced by. Table 6 wires consisting of 4) Cross-sectional area mm2 The number of wire and wire nominal diameter Single stranded conductor wire 1.5 2.5 1 × 1.38 1 × 1.78 1 × 2.25 1 × 2.76 1 × 3.57 7 × 0.52 7 × 0.67 7 × 0.86 7 × 1.05 7 × 1.35 7 × 1.70 7 × 2.14 7 × 2.53 19 × 1.83 12.3.2 Table 7 is replaced by. Table 7 Relationship screwless terminals rated current of copper wires and connections between the cross-sectional area of 5) Current Rating Nominal cross-sectional area mm2 The most coarse wire diameter mm Thickest soft wire diameter mm 16a 1.5 ~ 2.5 2.13 2.21 In addition to a code of 3 and 03 outside of isolating switch, a power supply terminal remaining switches should be connected to two 2.5mm2 conductors that connect two such guide When the line should be used in each of the terminals of each independent wire clamping member. 12.3.11 Table 8 is replaced by. Table 8 verify screwless terminals during normal use of electricity and thermal stress test current Current Rating Test current Conductor cross-section mm2 16 22 2.5 12.3.12 Tables 9 and 10 are replaced by. Table 9 screwless terminals bending test with a hard copper conductor cross-section Isolating switch rated current Test conductor cross-section mm2 1st test sequence 2nd test sequence 16 1.5 2.5 Table 10 bending test force 6) 6) Remove the IEC in its original form here endnote 10. In the UK, the rated current is less than 16A insulators allow widespread use. In the UK, IEC 60669-1 In Table 9 and Table 10 apply. Test conductor cross-section mm2 The test force bending a wire 1.5 2.5 0.5 1.0 Stress applied to the wire to make a choice of the elastic conductor close to the limit. 13 structural requirements IEC 60669-1 chapter apply with the following modifications made. Addition of provisions. 13.2.101 isolation switch when in the off position, the isolation distance shall be provided in accordance with the requirements necessary to meet the isolation. Display contacts starting position by position and/or suitable method element is provided. NOTE. Only lights not considered suitable method. Starting element should be reliably connected to the moving contact. Starting element should not show off position unless all the contacts are in motion Off position. Isolating switch shall be designed starting element can only be installed as a way to ensure proper contact and proper locking position, if isolated Off provide locking action. If the manufacturer or provide for measures locking isolation switch in off position, should only have all the contacts Possible locked in the off position. Compliance is checked by inspection and test of checking 16.101. 13.12 Table 12 is replaced by. Table 12 Ming-mounted cable diameter limit switch 7) 7) Remove the IEC in its original form here 12 Endnotes. In the UK, the rated current is less than 16A insulators allow widespread use. In the UK, IEC 60669-1 In Table 12 apply. Current Rating Cross-sectional area mm2 The number of wires Cable diameter limit Least mm maximum mm 4 1.5 ~ 16 7.6 19.5 2.5 to 6 324 ~ 10 324 ~ 10 6 to 16 6310 ~ 25 16 to 35 12525 ~ 50 8.6 9.6 9.6 10.5 15.5 18.5 18.5 twenty two 24.5 twenty four 25.5 30.5 27.5 29.5 35.5 31.5 37.5 41.5 38.0 42.0 44.0 48.5 Note. The table specified cable diameter limits to GB/T 5023.4 and type in 60227IEC 10 according to GB/T 5013.4 in 60245IEC 66 cable Basis and are for reference only. Switching mechanism 14 IEC 60669-1 chapter apply. 15 anti-aging, the switch housing provides protection and moisture IEC 60669-1 chapter apply. 16 Insulation resistance and electric strength IEC 60669-1 chapter apply with the following modifications made. increase. 16.101 isolating switch should be suitable for use as isolation. When the new sample isolation switch should be in a clean, dry conditions, in the off position through Over each pole test terminals. Compliance is checked by the following test checks. 1 according to the provisions of GB/T 17627.1 Figure, when in the off position, the contact with terminals connected together and connected to the contact Together with the load between the terminals, applied as GB/T 17627.1 specified in Figure 1 1.2/50 impulse voltage. Pulse is generated by the pulse generator generates the positive and negative, the wave front time of 1.2μs, semi-peak time is 50μs, their public Difference. Peak. ± 5% Wavefront time. ± 30% Time to half value. ± 20% Pulse shape and connected to a pulse generator test isolation switch is adjusted together. For this purpose, you should use the appropriate divider And voltage sensors. Allowing a slight fluctuation pulse, the amplitude of the pulse peak is less than 5%. For the first half-wave fluctuations of the wave front, allowing the peak amplitude is less than or equal to 10%. According isolating switch rated voltage, the test voltage shall table 101 selected. Impulse voltage shall be applied three times, intervals of at least 1s. There should be no discharge during the test. Note 1. The surge impedance should test apparatus is 500Ω; considering the greatly reduced value. Note 2. "discharge" the term includes the failure and insulation under electrical stress-related phenomena, including the current flow and pressure drop. Table rated voltage and altitude test sites 101 and isolation switch related Verification test voltage applied to the isolation of disconnection between the contacts Rated voltage The test voltage [kV] and the corresponding height of the sea level [m] Sea 20050010002000 Does not exceed 130 3.5 3.5 3.4 3.2 3 More than 130 6.2 5.8 6 5.6 5 17 temperature IEC 60669-1 chapter apply with the following modifications made. Table for 15 after following modifications apply. Table 15 Temperature rise test currents and copper conductor cross-section 8) 8) IEC Here there is a description NOTE. In the UK, the rated current is less than 16A insulators allow widespread use, IEC 60669-1 in Table 15 apply. Current Rating Test current Nominal wire cross-sectional area mm2 4a 57.5 a rated voltage not exceeding 250V isolation switches should be connected to the cross-sectional area of 2.5mm2 wire test, codenamed except 3 and 03. Note 5 in front of the penultimate paragraph is replaced by. For the rated current is less than or equal to 63A disconnectors, terminal temperature rise should not exceed 45K; greater than the rated current of 63A Isolating switches, terminal temperature rise should not exceed 65K. 18 Breaking capacity IEC 60669-1 chapter apply with the following modifications made. Addition of provisions. 18.101 withstand capability test In this test, six new samples. This test is intended to verify isolating switch can withstand its rated capacity of less than or equal to limit short circuit current and is not damaged in any way. General conditions 18.101.1 Test 18.101 conditions apply to any short-circuit conditions isolating switch performance verification testing. a) Test circuit 101, 102, 103 and 104, respectively, are listed in a circuit diagram for relevant trials. --- Single-pole isolation switch; --- Bipolar isolating switch; --- Three pole isolating switch; --- Four-pole isolating switch. S power supply including resistors R, reactors L, short circuit protection device (SCPD) and tested, including isolating switch D circuit to provide power. Tests resistance and reactance of the circuit should be adjusted to comply with the conditions of the test values. Reactor L should be hollow. The reactor should have been with the series resistance R, its value should be by a single reactor in series obtained; when this These reactors have allowed almost parallel to the reactor at the same time constant. Since the moment that contains a large volume hollow reactor test circuit recovery voltage characteristics and not representative of the normal conditions of use, in any phase Hollow reactor should be handled by a bearer through the shunt reactor current of about 1% resistor, unless otherwise between the manufacturer and user Convention. In each test circuit, the resistor R and L in the reactor between the power supply and isolation switches S D. SCPD is isolating switch between the resistor R and D. For 18.101...

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