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GB/T 16915.4-2019 English PDF

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GB/T 16915.4-2019: Switches for household and similar fixed-electrical installations -- Part 2-3: Particular requirements for time delay switches (TDS)
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GB/T 16915.4: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 16915.4-2019	English	279	Add to Cart	3 days [Need to translate]	Switches for household and similar fixed-electrical installations -- Part 2-3: Particular requirements for time delay switches (TDS)	Valid	GB/T 16915.4-2019
GB 16915.4-2003	English	559	Add to Cart	3 days [Need to translate]	[GB/T 16915.4-2003] Switches for household and similar fixed -electrical installations -- Part 2: Particular requirements -- Section 3: Time delay switches (TDS)	Obsolete	GB 16915.4-2003

PDF similar to GB/T 16915.4-2019

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GB/T 42407 GB/T 20138 GB/T 5959.41 GB/T 16915.2 GB/T 16915.1 GB/T 16915.3

Basic data

Standard ID	GB/T 16915.4-2019 (GB/T16915.4-2019)
Description (Translated English)	Switches for household and similar fixed-electrical installations -- Part 2-3: Particular requirements for time delay switches (TDS)
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	K60
Classification of International Standard	29.120.40
Word Count Estimation	14,130
Date of Issue	2019-12-10
Date of Implementation	2020-07-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration

GB/T 16915.4-2019: Switches for household and similar fixed-electrical installations -- Part 2-3: Particular requirements for time delay switches (TDS)

---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 2-3. Particular requirements for time delay switches (TDS) ICS 29.120.40 K60 National Standards of People's Republic of China Replaces GB/T 16915.4-2003 Switches for household and similar fixed electrical installations Part 2-3. Special requirements for time delay switches (TDS) Part 2-3. Particular requirementsfortimedelayswitches (TDS) [IEC 60669-2-3..2006, Switchesforhouseholdandsimilarfixedelectrical instalations-Part 2-3. Particular requirements-Timedelayswitches (TDS), MOD] 2019-12-10 Release 2020-07-01 Implementation State Administration of Market Supervision Published by the National Standardization Management Committee

Foreword I 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 General requirements 2 5 General notes on tests 3 6 Rating 3 7 Classification 3 8 signs 4 9 Size check 4 10 Protection against electric shock 5 11 Grounding measures 5 12 terminal 5 13 Structural requirements 5 15 Aging resistance, protection and moisture resistance provided by switch housings 5 16 Insulation resistance and electrical strength 5 17 Temperature rise 6 18 On-off capacity 6 19 Normal operation 6 20 Mechanical strength 7 21 heat resistant 7 22 Screws, current-carrying parts and connections 7 23 Creepage distance, clearance, and sealant distance 7 24 Resistance to abnormal heat, flame and tracking of insulating materials 9 25 Rust prevention 9 26 Electromagnetic compatibility (EMC) requirements 9 References 10

Foreword

GB/T 16915 `` Switches for household and similar fixed electrical installations '' is divided into the following sections. --- Part 1. General requirements; --- Part 2. Special requirements. ● Part 2-1. special requirements for electronic switches; ● Part 2-2. Special requirements for electromagnetic remote control switches (RCS); ● Part 2-3. special requirements for time delay switch (TDS); ● Part 2-4. special requirements for disconnectors; ● Part 2-5. Switches and related accessories for residential and building electronic systems (HBES); ● Part 2-6. Special requirements for external or internal identification and lighting fire switches. This part is part 2-3 of GB/T 16915. This section is drafted in accordance with the rules given in GB/T 1.1-2009. This section replaces GB/T 16915.4-2003 "Switches for household and similar fixed electrical installations. Part 2. Special requirements Section 3. Delay Switch. Compared with GB/T 16915.4-2003, the main technical changes are as follows. --- Chapter 1 makes it clear that switches with only passive components are not considered electronic delay switches; --- Chapter 3 deleted 3.109 reset TDS and 3.110 plug-in TDS as defined in GB/T 16915.4-2003, added Definition 3.109 removable TDS; --- Removed the symbols "for vertical position", "for horizontal position" and "for inclined position, such as 60 °" in 8.2; --- 13.101 added the description of "resettable"; --- Table 15 (GB/T 16915.4-2003 Table 14) added 103 "between two SELV/PELV circuits"; --- 18.1 increased the test status of non-adjustable TDS; --- Table 23 (GB/T 16915.4-2003 table 20) added 101, 102; --- Increase the abnormal operation of 101 control circuit. This section uses the redrafting method to modify the use of IEC 60669-2-3..2006 Off Part 2-3. Special Request Delay Switch (TDS)》. The technical differences between this part and IEC 60669-2-3..2006 and their causes are as follows. --- Regarding the normative reference documents, this section has made adjustments with technical differences to adapt to China's technical conditions and the situation of adjustment. The situation is reflected in Chapter 2 "Regulatory Reference Documents", and the specific adjustments are as follows. ● Replaced IEC 60445..1999 with GB/T 4026 equivalent to the international standard; ● Replaced IEC 60317 with GB/T 6109.1-2008 equivalent to the international standard; ● Replaced IEC 60669-2-1..2002 with GB/T 16915.2 which adopted the international standard; ● Replaced IEC 61558-2-6..1997 with GB/T 19212.7 equivalent to the international standard; ● Increase GB/T 16842-2016; ● Removed IEC 61140. The following editorial changes have been made in this section. --- The standard name was changed to "Switches for household and similar fixed electrical installations-Part 2-3. Characteristics of time delay switches (TDS) Special requirements ''; --- According to the provisions of GB/T 1.1-2009, the "Scope" in Chapter 1 was supplemented by "This section of GB/T 16915 specifies the delay time to open Relevant classification, marking, mechanical performance, electrical performance and other technical requirements "; --- According to the modification of the serial number of the table in GB/T 16915.1-2014, the serial number of the corresponding table is modified in this section, for example, 16.2 Table 15, Table 18, 19.1, Table 23, 23.1; --- Removed some notes from IEC 60669-2-3..2006 that are applicable to other countries, such as Note 2 of 8.2, etc .; --- According to the situation of the cited documents, references have been added. This section is proposed by China Electrical Equipment Industry Association. This section is under the jurisdiction of the National Electrical Accessories Standardization Technical Committee (SAC/TC67). This section was drafted by. China National Electrical Research Institute Co., Ltd., Zhejiang Zhengtai Building Electric Co., Ltd., Hangzhou Hongyan Electric Co., Ltd., Tianji Electric (Shenzhen) Co., Ltd., Weikai Testing Technology Co., Ltd., Beijing ABB Low Voltage Electric Co., Ltd., Guangdong Honghe Lang Electric Co., Ltd., Siemens (China) Co., Ltd. Shanghai Branch, Zhejiang Zhongxun Electronics Co., Ltd., Ningbo Bull Bull Electric Co., Ltd., Flying Eagle Electric Group Co., Ltd., TCL-Legrand International Electric (Huizhou) Co., Ltd., Philips Lighting (China) Investment Co., Ltd., Yuehua Holding Group Co., Ltd., Zhejiang Delixi International Electric Co., Ltd., Zhejiang Fangyuan Inspection Group Co., Ltd. The main drafters of this section. Cai Jun, Hu Lanfang, Wu Ming, Xie Xianqun, Li Xiqin, Jiang Bangtong, He Junyi, Cha Pengzhan, Qu Hailiang, Shen Shen, Zheng Wei, Zhou Xiancai, Zhang Li, Wang Chaosheng, Zheng Dexin, Chen Weidong, Liu Bo, Shi Yong, Wang Fengqin, Yang Zhi, Zhao Jianjie. The previous versions of the standards replaced by this section are. --- GB/T 16915.4-2003. Switches for household and similar fixed electrical installations Part 2-3. Special requirements for time delay switches (TDS)

1 Scope

This chapter of GB/T 16915.1-2014 is applicable with the following modifications. Replace paragraphs 1 and 2 as follows. This part of GB/T 16915 specifies the technical requirements for the classification, marking, mechanical performance, and electrical performance of time-delay switches. This section applies to rated voltage not exceeding 440V and rated current not exceeding 63A. It is used for domestic and similar purposes for indoor or outdoor use. Manually and/or remotely operated time delay switches (hereinafter referred to as TDS) for fixed electrical installations. The TDS is equipped with a mechanical, thermal, pneumatic, hydraulic, or electrical delay device, or a combination of delays operated in the manner described above. 时装置。 Time device. The electronic delay switch is within the scope of GB/T 16915.2. Only with passive components [such as resistors, capacitors, positive temperature coefficient (PTC) and negative temperature coefficient (NTC) components and printed circuit boards] The switch is not considered an electronic time delay switch.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 16915.1-2014 Switches for household and similar fixed electrical installations-Part 1. General requirements (IEC 60669-1. (2007, MOD) This chapter applies with the following modifications. increase. GB/T 4026 Basic and safety rules for human-machine interface markings Identification of equipment terminals and conductor terminals (GB/T 4026- (2010, IEC 60445..2006, IDT) GB/T 6109.1-2008 Enamelled round winding wire. Part 1. General regulations (IEC 60317-0-1..2005, IDT) GB/T 16842-2016 Test tool for protection and inspection of housing and people GB/T 16915.2 Switches for household and similar fixed electrical installations. Part 2-1. Particular requirements for electronic switches [GB/T 16915.2-2012, IEC 60669-2-1..2009 (Ed4.1), MOD] GB/T 19212.7 Safety of transformers, reactors, power supply units and similar products with a supply voltage of 1100V and below Part. Special requirements and tests for safety isolation transformers and power supply units with safety isolation transformers installed (GB/T 19212.7-2012, (IEC 61558-2-6..2009, IDT)

3 terms and definitions

This chapter of GB/T 16915.1-2014 is applicable after adding the following contents. 3.17 Add the following note. Note. This definition applies only to switching circuits. 3.18 Add the following note. Note. This definition applies only to switching circuits. Add the following new definitions. 3.101 Delay switches timedelayswitches; TDS A switch equipped with a delay device that delays operation for a period of time (delay time). This switch can be activated manually and/or electrically remotely. 3.101.1 Electronic delay switch electronicTDS Delay switch with electronic components. 3.102 Rated control voltage The voltage specified by the manufacturer for the control circuit. 3.103 Switching circuit Equipped with a circuit that allows rated current to flow through TDS components. 3.104 Control circuit Electrically controlled TDS contains circuits that control the electrical components of the switching circuit. 3.105 Controlmechanism All components that make TDS operate. 3.106 Incorporatedhand-operateddevice A device installed in a switch to directly or indirectly operate a switching circuit. This device is not used for TDS normal operation. 3.107 Delay time The duration for which the switching circuit is kept closed. Anything needed to reduce the voltage (e.g., reduce brightness) at the end of the delay period Time is included in the delay time. 3.108 Delay device All components that affect the delay time. In electronically controlled TDS, the delay device is excited by applying a pulse to the control circuit. of. The delay time can be adjustable. 3.109 TDS disconnectableTDS The TDS consists of two parts, one of which is used as a base and includes terminal blocks, and the other is removable, including the switch and Control circuit.The two parts are elastically connected together by a mechanism.The mechanism can be combined and/or divided into two parts with or without tools. Separated.

4 General requirements

This chapter of GB/T 16915.1-2014 applies after adding the following. After paragraph 1, add the following. When the TDS is installed at a position not more than 5 ° from the specified use position, the operation of the TDS should not be affected.

5 General notes on tests

This chapter of GB/T 16915.1-2014 applies after adding the following. 5.4 After the last paragraph, add the following. Test with 101 additional samples using 3 additional samples. Add the following clauses. 5.101 If the TDS is equipped with a built-in manual operating device that can directly start the switching circuit; the TDS shall be carried out in accordance with the provisions of 19.101 test. 5.102 Requirements related to control voltage do not apply to TDS for manual operation. 5.103 TDS for control circuits and switch circuits that do not have a common point shall be tested with circuits powered by the rated voltage specified in this section.

6 Ratings

This chapter of GB/T 16915.1-2014 is applicable with the following modifications. 6.1 Replaced by. The preferred rated voltage is. --- AC (ac). 6V, 8V, 9V, 12V, 24V, 42V, 48V, 110V, 130V, 220V, 230V and 240V. Note. These rated voltages should be coordinated with the rated control voltage specified in 6.101 to simplify the TDS of the common point between the control circuit and the switching circuit. test. 6.2 Add the following note after the last paragraph. Note. Some TDS can add auxiliary contacts designed for lower than the rated current of the switching circuit. Relevant ratings and requirements are under consideration. Add the following clauses. 6.101 The preferred value of the rated control voltage is. --- AC (ac). 6V, 8V, 9V, 12V, 24V, 42V, 48V, 110V, 130V, 220V, 230V and 240V. --- Direct current (dc). 6V, 9V, 12V, 24V, 48V, 60V, 110V and 220V.

7 Categories

This chapter of GB/T 16915.1-2014 is applicable with the following modifications. 7.1.1 Replaced by. Classified by possible connection methods (see Figure 8 of GB/T 16915.1-2014). Code --- Single pole switch 1 --- Bipolar switch 2 --- Three-pole switch 3 --- Three-pole plus split neutral switch 03 --- Dual control switch 6 7.1.5 Add the following. --- Delay Switch (TDS). ● Manual operation; ● Remote operation; ● Manual and remote operation. Note. The above operation method can be combined with the supplementary operation method of long-on and/or long-off. Through a switch or control circuit The supplementary device can do just that. 7.1.7 Add the following. --- Removable TDS. Add the following clauses. 7.1.101 Classified by type of control agency. ---Mechanical; ---hot; ---Air powered; ---hydraulic; ---electrical; --- Any combination of the above.

8 signs

This chapter of GB/T 16915.1-2014 applies after adding the following. 8.1 After the first column, add the following. --- Rated control voltage (V), if different from the rated voltage; --- the symbol of the delay time adjustment variable, if applicable; --- Symbols for "Long Pass" and "Long Break" positions, if applicable; --- "Delay time" symbol. Add the following after Note 2. Note 3. If the delay time value is displayed, this value should be shown in s (seconds). 8.2 Add the following symbols. Long pass or Note. If the TDS can be remotely controlled, the | symbol must not be used. Delay time or "min" Long break, only when the air gap of the TDS switch contact is not less than 3mm Adjustment of delay time or "-" Control agency Switch or or or 8.4 Add the following after the last paragraph. The wiring diagram should clearly show the terminal number. If necessary, the wiring diagram should be fixed to the electrical accessories or inside the protective cover of the terminal. The terminals of the control circuit shall be marked according to the provisions of GB/T 4026, and/or marked according to the symbol of 8.2. 8.7 This clause of GB/T 16915.1-2014 does not apply.

9 Size check

This chapter of GB/T 16915.1-2014 applies. 10 Protection against electric shock This chapter of GB/T 16915.1-2014 applies. 11 Grounding measures This chapter of GB/T 16915.1-2014 applies. 12 terminals This chapter of GB/T 16915.1-2014 applies. 13 Structural requirements This chapter of GB/T 16915.1-2014 is applicable after adding the following contents; Add the following clauses. 13.101 All TDS should be resettable; when the operating mechanism is activated within the previous delay time, the TDS can return to full delay time. 13.102 The transformer used for SELV circuit shall be a safety isolation type and shall comply with the relevant requirements of GB/T 19212.7. Note. For the application of safety extra-low voltage (SELV) and extra-low protection voltage (PELV), see GB/T 17045 and GB/T 16895.21. This chapter of GB/T 16915.1-2014 is applicable after adding the following contents; Add the following clauses. 14.101 If the TDS is equipped with a built-in manual operation device and a position indicator is used, the switching power should be clearly and clearly shown. The location of the road. 15 Anti-aging, protection and moisture resistance provided by switch housing This chapter of GB/T 16915.1-2014 applies. 16 Insulation resistance and electrical strength This chapter of GB/T 16915.1-2014 applies after adding the following. 16.2 Add the following to Table 15. 101 Between switch circuit and control circuit if they are electrically isolated 5.2000 3000 102 Between SELV/PELV circuits and other circuits with higher voltage than SELV/PELV 7 2500 4000 103 Between two SELV/PELV circuits 5 500 500 17 Temperature rise This chapter of GB/T 16915.1-2014 applies after adding the following. 17.1 Add the following after Note 1. TDS is adjusted to the maximum delay time specified by the manufacturer. During the test, within (2 ± 0.5) s after each delay time, the TDS Close again. Electrically operated TDS is operated by a control circuit. 18 On-off capacity This chapter of GB/T 16915.1-2014 is applicable with the following modifications. 18.1 The content of paragraph 1 and the column is changed to read as follows. The TDS is tested at 1.1 times the rated voltage, 1.1 times the rated control voltage, and 1.25 times the rated current. TDS performs.200 operations as follows. --- If it is adjustable, it should be adjusted to the shortest delay time, but not shorter than 50s. The time interval between off and on Adjustments to Chapter 17. --- If the longest adjustable delay time is less than 50s, TDS should be adjusted to the longest possible delay time. --- If it is not adjustable, TDS is tested according to the state of delivery. 18.2 Add the following after paragraph 1. The operation of the TDS shall comply with the provisions of 18.1. 19 Normal operation This chapter of GB/T 16915.1-2014 is applicable with the following modifications. 19.1 The first six paragraphs are amended as follows. The switch should be able to withstand the mechanical, electrical, and thermal stresses that occur during normal use without excessive wear and other harmful effects influences. Compliance is checked by the following tests. The TDS is tested at rated voltage, rated control voltage and rated current and in accordance with the connections specified in 18.1. The details of the circuit and the method of operation of the selector switch S shall be as specified in 18.1, unless otherwise specified. Adjustable TDS adjusts the delay time to near the middle position, and adjusts the time between opening and closing as specified in Chapter 17 interval. The number of operations is shown in Table 18. However, TDS with a long delay time can be tested by shortening the delay time. Adjustable in any case With or without adjustable TDS, the test duration is up to 1000h. For TDS equipped with a built-in manual operation device and directly acting on the switch circuit, it must be operated manually or equivalent according to the provisions of Table 18. 10% of the number of experiments. After the TDS for ac only, the test of 14.3 is performed. Normal operation test time, the number of times of abnormal operation is allowed within 1%, but the number of consecutive abnormal operations is not more than 3 times. Add the following clauses. 19.101 If the control voltage fluctuates between 0.9 times the rated value and 1.1 times the rated value, the TDS should be able to operate normally. Compliance is checked by the following tests. In the no-load state, each of the three samples was operated 20 times with a control voltage of 0.9 times the rated value, and then controlled with 1.1 times the rated value. Control the voltage for 20 operations. During the test, TDS should be able to operate correctly, but as long as it meets the requirements of 19.102, the delay time can be slightly different. 19.102 TDS delay time accuracy should be sufficiently reproducible. Compliance is checked by the following method. TDS is applied with rated control voltage 10 times under no-load condition. After each application of voltage, the delay is measured. Late. Adjustable TDS If possible, set the delay time to about 2.5min. Otherwise, the test shall be carried out at intervals specified by the manufacturer. The difference between the maximum and minimum delay times and the test average shall not exceed 15%. 19.103 When the operating mechanism is activated within the delay time, the TDS should be able to return to the full delay time. Compliance is checked by the following tests. TDS with adjustable delay time should adjust the delay time to between 2min ~ 3min. 3 samples were started at rated control voltage. After 1 min, the sample is started again with the rated control circuit voltage. The total delay time obtained from each sample should be between 3 min and 4 min. TDS with non-adjustable delay time must start the sample twice with the rated control circuit voltage, the time between the first start and the second start The time difference is 1min. The total delay time shall be. ± 5% of the delay time declared by the manufacturer plus 1 min. TDS with non-adjustable delay time and delay time less than 1min, the second start TDS should be within one of the delay time declared by the manufacturer After half. The total delay time shall be. 1.5 times (± 5%) of the delay time declared by the manufacturer. 20 mechanical strength This chapter of GB/T 16915.1-2014 applies. 21 heat resistant This chapter of GB/T 16915.1-2014 applies after adding the following. Add the following note before 21.1. Note. The requirements of this chapter apply to both switch circuits and control circuits. 22 Screws, current-carrying parts and connections This chapter of GB/T 16915.1-2014 applies. 23 Creepage distance, electrical clearance, and distance through sealant This chapter of GB/T 16915.1-2014 applies after adding the following. 23.1 Add the following to Table 23. Creepage distance 101 Creepage distance in the following cases. the occurrence of a nominal voltage not exceeding 50Va.c. or dca, b, and The voltage generated in the circuit by the safety isolation transformer, or the voltage generated by a power source equivalent to being isolated from the grid supply --- On printed circuit materials --- Pollution degree 1; --- On printed circuit materials --- Pollution degree 2; --- on other insulating materials --- through the insulating materials of material group Ⅰ; --- On other insulating materials --- Insulating materials that pass through material group II; --- On other insulating materials --- Insulating materials that pass through material group III 0.025 0.04 0.6 0.85 1.2 Clearance 102 Clearance in the following cases. the occurrence of a nominal functional voltage not exceeding 50Va.c. or dca, b, and in accordance with GB/T 19212.7 The voltage generated in the circuit of a safety isolation transformer, or in an equivalent manner, is generated by a power source equivalent to electrical isolation from the grid supply Voltage --- pollution degree 1; --- Pollution Degree 2 0.1 0.2 Note 1. The value of electrical clearance is selected based on GB/T 16935.1-2008 Table F.2. --- 800V rated impulse voltage from Table F.1 in GB/T 16935.1-2008, for 50Va.c. neutral point voltage or dc And overvoltage category III and case A (non-uniform electric field); --- Pollution levels 1 and 2. The creepage distance value is selected based on Table F.4 in GB/T 16935.1-2008, and the 50V root mean square (rms) value in Table F.4 is used. Voltage, this 50V voltage comes from the nominal voltage of the 50V power system in Table F.3a in GB/T 16935.1-2008. Note 2. For the definition of nominal voltage, see IEV601-01-21. a For the purposes of this section, the following applies (taken from GB/T 16935.1-2008). Micro-environment. In particular, the environment around the insulation that determines the size of the creepage distance (3.12.2 in GB/T 16935.1-2008). Pollution level. The micro-environment is expected to be polluted with numbers (GB/T 16935.1-2008 3.13). Pollution level 1. No pollution or only dry, non-conductive pollution, which has no effect. For printed circuit boards of time-delay switches, if the printed circuit boards have protection measures to prevent the occurrence of any condensation and the sink of conductive, water-absorbing or soluble dust Product, it is allowed to use pollution degree 1. The above protection can be achieved by coating the printed circuit board and/or the circuit. The provisions of GB/T 16935.3 and additional sealing; or, the entire printed circuit board assembly is sealed by a protective coating. Pollution degree 2. In addition to occasional temporar...

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