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GB/T 15092.1-2020 English PDF

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GB/T 15092.1-2020: Switches for appliances - Part 1: General requirements
Status: Valid

GB/T 15092.1: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 15092.1-2020	English	1589	Add to Cart	10 days [Need to translate]	Switches for appliances - Part 1: General requirements	Valid	GB/T 15092.1-2020
GB 15092.1-2010	English	RFQ	ASK	9 days [Need to translate]	[GB/T 15092.1-2010] Switches for appliances -- Part 1: General requirements	Obsolete	GB 15092.1-2010
GB 15092.1-2003	English	RFQ	ASK	9 days [Need to translate]	Switches for appliances -- Part 1: General requirements	Obsolete	GB 15092.1-2003
GB 15092.1-2000	English	RFQ	ASK	7 days [Need to translate]	Switches for appliances Part 1: General requirements	Obsolete	GB 15092.1-2000
GB 15092.1-1994	English	RFQ	ASK	3 days [Need to translate]	Switches for appliances. Part 1: General requirements	Obsolete	GB 15092.1-1994

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Basic data

Standard ID	GB/T 15092.1-2020 (GB/T15092.1-2020)
Description (Translated English)	Switches for appliances - Part 1: General requirements
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	K64
Classification of International Standard	29.120.40
Word Count Estimation	102,180
Date of Issue	2020-12-14
Date of Implementation	2021-07-01
Older Standard (superseded by this standard)	GB/T 15092.1-2010
Regulation (derived from)	National Standard Announcement No. 28 of 2020
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration

GB/T 15092.1-2020: Switches for appliances - Part 1: General requirements

---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 appliances -- Part 1.General requirements ICS 29.120.40 K64 National Standards of People's Republic of China Replace GB/T 15092.1-2010 Appliance switches - Part 1.General requirements (IEC 61058-1.2016, MOD) Released on 12-14-2020 2021-07-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee

Preface V 1 Scope 1 2 Normative references 1 3 Terms and Definitions 3 4 total requirements 12 5 General precautions for testing 12 6 rating 13 7 categories 14 8 Signs and documents 26 9 Protection against electric shock 32 10 Grounding device 33 11 Terminals and terminals 35 12 Structure 39 13 institutions 40 14 Protection against solid foreign objects, water and moisture 41 15 Insulation resistance and dielectric strength 42 16 Fever 44 17 Durability46 18 Mechanical strength 46 19 Screws, current carriers and couplings 47 20 Clearances, Creepage Distances, Solid Insulation and Coatings of Rigid Printed Circuit Board Components 49 21 Fire hazard 55 22 anti-rust 56 23 Abnormal operation and fault conditions of switches 57 24 switching components 57 25 Electromagnetic compatibility (EMC) requirements 59

Appendix A

(Informative appendix) Common end product standards72

Appendix B

(Normative appendix) Relationship between rated impulse withstand voltage, rated voltage and overvoltage category 73

Appendix C

(Normative appendix) Pollution level 74

Appendix D

(Normative appendix) Routine test 75

Appendix E

(Informative appendix) Sampling test 76

Appendix F

(Informative appendix) Switch Application Guidelines 77

Appendix G

(Informative) Types of Coating for Rigid Printed Circuit Board Components 79

Appendix H

(Informative appendix) Dimensions of the switch insert part 80 Appendix I (Normative appendix) Measurement of clearances and creepage distances 81 Appendix J (Informative appendix) Diagram for determining clearances and creepage distances 85 Appendix K (Normative appendix) Impulse voltage test 86 Appendix L (Normative appendix) Altitude correction factor 87 Appendix M (Normative appendix) Electric tracking resistance test 88 Appendix N (Normative appendix) Measuring the insulation distance of printed circuit boards with Type 1 coating 89 Appendix O (Normative appendix) Switch family 90 Reference 92 Figure 1 Example of post terminal 62 Figure 2 Screw terminal and screw terminal example 63 Figure 3 Example of saddle terminal 64 Figure 4 Example of Lug Terminals 64 Figure 5 Example of a sleeve terminal 64 Figure 6 Example of screwless terminal 65 Figure 7 Test socket 66 for flat quick-connect terminals Figure 8 Test circuit for AC capacitive load and simulated tungsten bulb load 66 Figure 9 Test circuit for DC capacitive load and simulated light bulb load 67 Figure 10 Rated at 10/100 V~ switch test with capacitive load test circuit parameter value 67 Figure 11 Installation device 68 for impact test Figure 12 Continuous work --- working system S1 (see 7.18.1) 69 Figure 13 Short-time work --- work system S2 (see 7.18.2) 69 Figure 14 Intermittent cycle work --- work system S3 (see 7.18.3) 70 Figure 15 Heating test circuit diagram 70 Figure 16 Endurance test circuit diagram 71 Figure J.1 Schematic diagram for determining clearances and creepage distances 85 Figure N.1 Measurement of insulation distance 89 Table 1 Test load of multi-directional switch13 Table 2 Switch type and connection mode18 Table 3 Switch data and group load 26 Table 4 Resistive current carried by the terminal and the corresponding cross-sectional area of the connecting non-prepared conductor35 Table 5 Terminal test sequence 37 Table 6 Pulling force of screw-type terminals 38 Table 7 Minimum insulation resistance 43 Table 8 Dielectric Strength 43 Table 9 minimum pulling force 46 Table 10 Torque value 48 Table 11 Torque values for threaded sealing caps 49 Table 12 Basic insulation minimum electrical clearance 50 Table 13 Basic insulation minimum creepage distance 52 Table 14 Working insulation minimum creepage distance 53 Table 15 Test levels and conditions 55 Table 16 Minimum requirements for capacitors 59 Table 17 Test level and duration of voltage dips and short interruptions 60 Table 18 Fast Transient Burst 61 Table B.1 Rated Impulse Withstand Voltage of Switches Directly Powered by Low Voltage Network 73 Table I.1 Width X minimum value and related pollution degree 81 Table K.1 Sea level test voltage for checking electrical clearances 86 Table L.1 Altitude Correction Factor 87 Appliance switches - Part 1.General requirements

1 Scope

GB/T This part of 15092 specifies the marking and documentation of appliance switches, protection against electric shock, structural requirements, institutional requirements, mechanical Energy, electrical performance and other technical requirements. This standard applies to appliance switches (hereinafter referred to as switches) for actuating or controlling household or similar electrical appliances and other equipment. The rated voltage is not higher than 480V, and the rated current is not higher than 63A. Such switches are operated by a person via an actuator, indirectly or by activating a sensor. Between the actuator or sensor and the switch Signal transmission can be light, sound, temperature, electrical or other related means, and can also include remote control devices. This standard applies to switches providing additional control functions, which are subject to the electronic circuits and devices provided by the switch, is required for intentional and/or correct operation of the switch. This section applies to circuits required for the evaluation of switches and switch functions. This section applies to the general requirements for appliance switches in conjunction with the following sections. --- Part 1-1.Requirements for mechanical switches; --- Part 1-2.Requirements for electronic switches. This standard does not apply to devices covered by the following standards. ---GB/T 16915 (all parts) Switches for household and similar fixed electrical installations; ---GB/T 14536 (all parts) Electric automatic controls for household and similar uses. This section does not apply to the requirements for safety isolating switches (IEC 60050-811.1991). Note 1. For switches used in tropical climates, additional requirements may be added as necessary. Note 2. The end product standards of attention appliances may contain additional requirements or replacement requirements for switches. For end product standards with additional requirements, see Appendix A. Note 3. In this section, the term "apparatus" refers to "apparatus or equipment".

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this document pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 156 standard voltage (GB/T 156-2017,IEC 60038.2009, MOD) GB/T 2423.55 Environmental testing for electrical and electronic products - Part 2.Test method Test Eh. Hammer test (GB/T 2423. 55-2006, IEC 60068-2-75.1997, IDT) GB/T 4207-2012 Method for determination of tracking resistance index and relative tracking index of solid insulating materials (IEC 60112.2009, IDT) GB/T 4208-2017 Enclosure protection level (IP code) (IEC 60529.2013, IDT) GB 4343.1-2018 Electromagnetic compatibility requirements for household appliances, electric tools and similar appliances Part 1.Emission (CISPR 14-1. 2011, IDT) GB/T 4728 (all parts) Graphical symbols for electrical diagrams [IEC database (all parts)] GB/T 5169.11 Fire Hazard Tests for Electrical and Electronic Products - Part 11.Glow Wire/Hot Wire Basic Test Methods Ignition of Finished Products Hot wire flammability test method (GWEPT) (GB/T 5169.11-2017, IEC 60695-2-11.2014, IDT) GB/T 5169.16 Fire Hazard Tests for Electrical and Electronic Products Part 16.Test Flame 50 W horizontal and vertical flame test 3.2.7 working voltage voltage The highest AC rms voltage or the highest DC voltage that can appear on either insulation when the switch is powered by rated voltage. Note 1. Transients are ignored. Note 2. Consider open circuit conditions and normal operating conditions. 3.2.8 Over-voltage over-voltage Any voltage whose peak value exceeds the corresponding peak value of the highest steady-state voltage under normal operating conditions. 3.2.9 Over-voltage category over-voltage category Number defining the transient overvoltage condition. Note. Appendix B specifies the relationship between rated impulse withstand voltage, rated voltage and overvoltage category. 3.2.10 Impulse withstand voltage impulse stand against The maximum peak value of a pulse voltage with specified waveform and polarity that will not cause insulation breakdown under specified conditions. 3.2.11 Minimum load minimum load Under the load conditions, the electronic switch can still work normally. 3.2.12 Equivalent heating current thermal current Under the test conditions specified by the manufacturer (possibly including the ambient air temperature) and without forced cooling, the electronic Continuous electrical resistance equal to the heat generated by the appliance under ambient conditions and when operated at the rated load of the appliance with forced cooling, if any current. Note. The concept of "equivalent thermal current" simplifies the testing of electronic switches under complex cooling conditions in normal use. The equivalent thermal current is always determined by The test is carried out by placing the switch on the table or in a simple test device, and comparing the test with the switch in the appliance in which it is placed. because Therefore, the equivalent heating current is usually always less than the rated current. This requires additional tests on terminals, contacts, etc., in order to verify that when the electronic switch is installed in the When in the tool, these terminals, contacts, etc. can carry the rated current. These additional tests in GB/T 15092.101-2020 or GB/T 15092.102-2020 regulated in Chapters 16 and 17. 3.3 Terms and definitions for different types of switches 3.3.1 Attached switch incorporated switch Assembled in the appliance or fixed to the appliance, the switch can be tested separately. [IEC 60050-442.1998, definition 442-04-01] 3.3.2 split switch integrated switch Functionality is achieved by means of a switch which is correctly installed and fixed in the appliance and tested in combination with the relevant parts of the appliance. [IEC 60050-442.1998, definition 442-04-02] 3.3.3 rotary switchrotary switch The actuator is a shaft or mandrel that rotates the shaft to one or more specified positions to change the contact state of the switch. Note. The rotation of the actuator can be unrestricted or restricted in either direction. 3.3.4 flip switch lever switch The actuator is a lever, a switch that changes the contact state by turning (reversing) the lever to one or more specified positions. 3.3.5 rocker switch rocker switch The actuator is a lever (rocker) with a low appearance, and it is a switch that changes the contact state by tilting the rocker to one or more designated positions. 3.3.6 button switch push-button switch The actuator is a button, which is pressed to change the contact state of the switch. Note. The switch can be equipped with one or more actuators. 3.3.7 Pull switch cord-operated switch The actuator is a pull wire that pulls the pull wire to change the switch of the contact state. Note. Rewrite IEC 60050-442.1998, definition 442-04-08. 3.3.8 Push-pull switch push-pul switch The actuator is a rod that pulls or pushes the rod to one or more specified positions to change the contact state of the switch. 3.3.9 Automatic reset switch biased switch A switch in which both the contacts and the actuator return to the preset position after the actuator is released from the position to which it was driven. 3.4 Terms and definitions for switching operation 3.4.1 drive actuation Movement of a switch actuator caused by hand, foot or any other human action. 3.4.2 Indirect drive indirect actuation Movement of a switch actuator indirectly caused by a part of an appliance incorporating an attached switch or a split switch, such as a door of the appliance Note. For example, the switch can be attached or assembled on the door of the appliance. 3.4.3 actuator actuating member A part that can be pulled, pushed, turned, or otherwise moved so as to result in an operation. 3.4.4 Transmission mechanism actuating means Any part that may be between the actuator and the contact mechanism to achieve contact operation. 3.4.5 disconnection Interruption of a circuit in one pole providing insulation between the supply and those parts intended to be disconnected from the supply. 3.4.6 Micro disconnect micro-disconnection A disconnection that relies on contact spacing to achieve proper functional characteristics under long-duration transient overvoltage conditions. 3.4.7 electronic disconnection electronic-disconnection A disconnection that relies on semiconductor devices to achieve non-periodic, proper functional characteristics under long-duration transient overvoltage conditions. 3.4.8 Completely disconnect ful-disconnection In the case of long-duration and short-duration transient overvoltages and impulse withstand voltages, relying on contact spacing to achieve proper functional characteristics, A disconnect equivalent to basic insulation. 3.4.9 Single-phase all-pole disconnection al-pole disconnection Actuated by a single switch for both AC and DC appliances while disconnecting all supply conductors (except the earth conductor). 3.4.10 operating cycle operating cycle Successive operations from one position to another, passing through all other positions (if any), and returning to the initial position. Note. Rewrite GB/T 2900.20-2016, definition 8.2. 3.4.11 Electronic actuator electronic actuating A component, element or group of elements that controls a transmission or switching device. Note. An optical or acoustic sensor is an example of a component group. 3.4.12 electronic transmission actuating A part, element, or group of elements that electronically controls a switching device. 3.4.13 Abnormal situation abnormal conditions Conditions that may occur in an appliance or in a switch that may lead to a reduction in safety during normal operation. Note. These conditions (e.g. elevated temperature, loss of protection against electric shock) may be the cause of a switch failure if defects or deterioration in other components of the application are foreseeable. failure or the consequences of relevant environmental conditions, excluding (anticipated) misuse. 3.4.14 sensor sensing unit A control input that can be adjusted by non-mechanical means, contains electronic components and is activated by any physical phenomenon or group of physical phenomena out electronic components or devices. 3.4.15 fault condition fault conditions Simulate abnormal conditions caused by internal faults in the switch by modifying the switch. 3.5 Terms and definitions for switch connections 3.5.1 External conductorexternal conductor A cable, cord or conductor external to a switch. 3.5.2 Built-in conductor integrated conductor Conductor inside a switch or used to permanently connect the terminals or terminals of a switch to each other. 3.6 Terms and Definitions for Terminals and Ends 3.6.1 terminalterminal Conductive part used to connect a switch to one or more external conductors. 3.6.2 screw terminal screw type terminal A terminal for the connection, interconnection and subsequent disconnection of one or more conductors, directly or indirectly by means of any type of screw or nut. Note. Examples of screw-type terminals include the terminals in FIGS. 1 to 5. 3.6.3 Post terminal pilar terminal The conductor is inserted into the hole or cavity and is clamped under the shank of the screw. The clamping force can be applied directly by the screw rod or through an intermediate clamping part Plus, a screw-type terminal in which pressure is applied by a screw shank to an intermediate clamping member. See Figure 1 for an example of a post terminal. 3.6.4 screw terminal screw terminal The wire is clamped under the screw head. Clamping force can be applied directly by the screw head, or through intermediate parts such as washers, pressure plates or anti-loosening parts A screw-type terminal applied. See Figure 2 for an example of screw terminals. 3.6.5 screw terminal stud terminal The wire is clamped under the nut, and the clamping force can be applied directly by a nut with an appropriate shape, or through an intermediary part such as a washer, a pressure plate or a screw-type terminal applied by an anti-loosening component. See Figure 2 for an example screw terminal. 3.6.6 saddle terminal saddle terminal A threaded terminal in which the wire is clamped under the saddle-shaped pressure plate by 2 or more screws or nuts. An example of a saddle terminal is shown in Figure 3. 3.6.7 Lug terminal lug terminal A screw-type terminal that directly or indirectly clamps a cable lug or busbar by means of a screw or nut. See Figure 4 for an example of a lug terminal. 3.6.8 Sleeve type (shroud type) terminal mantle terminal The wire is clamped to the bottom of a slot cut in a threaded stud by means of a nut, which may be passed through a suitably shaped pad placed under the nut ring, center stem (if the nut is a cap nut), or an equivalent that transmits pressure from the nut to the conductor in the slot, compressing the wire against the slot A screw-type terminal at the bottom. An example of a sleeve terminal is shown in Figure 5. 3.6.9 screwless terminal screwless terminal Terminals for the direct or indirect connection and/or interconnection and subsequent disconnection of one or more conductors using non-threaded components. Note 1. An example of a screwless terminal is shown in Figure 6. Note 2. The definition of screwless terminal covers push-in terminals which lock the conductor when a stripped conductor is inserted. 3.6.10 terminal termination The connection between the switch inner guide and the outer wire. 3.6.11 Flat quick-connect terminal flat quick-connect termination An electrical connector consisting of a male blade and a socket that can be plugged in and out with or without the use of tools. [IEC 60050-442.1998, definition 442-06-07] 3.6.12 Insert tab The part of the flat quick-connect terminal combined with the switch that is inserted into the socket. Note. Insert example see GB/T 17196-2017. 3.6.13 Socket female connector The part where the flat quick-connect end is pushed onto the blade. Note. See Figure 7 for an example of a socket. 3.6.14 Solder terminal solder terminal A conductive part of a switch that can be terminated by soldering. 3.7 Terms and definitions for insulation 3.7.1 basic insulation insulation Insulation used on live parts to provide basic protection against electric shock. 3.7.2 Additional insulation supplementary Independent insulation added in addition to basic insulation in order to provide protection against electric shock in the event of basic insulation failure. 3.7.3 Double insulation double insulation Insulation consisting of both basic insulation and supplementary insulation. 3.7.4 Reinforced insulation reinforced insulation A single insulation system applied to live parts to provide a degree of protection against electric shock equivalent to double insulation. Note. The term "insulation system" does not imply that the insulation is a homogeneous piece which consists of several insulations which cannot be tested separately like supplementary or basic insulation. Edge composition. 3.7.5 working insulation functional insulation Insulation between live parts required only for the intrinsic function of the switch. 3.7.6 Coating layer coating A solid insulating material applied to one or both sides of a printed circuit board. Note 1. The coating layer can be a layer of dry varnish film on the printed circuit board, or it can be formed by thermal dissociation. Note 2. The coating forms an insulating structure with the base material of the printed circuit board, the performance of which is similar to that of solid insulation. 3.7.7 solid insulationsolid insulation Insulating material placed between two conductive parts. Note. For coated printed circuit board components, the solid insulation consists of the printed circuit board itself and the coating. In other cases, solid insulation Consists of potting material. 3.7.8 Class 0 appliance class appliance Its protection against electric shock relies on appliances with basic insulation. Note. For a class 0 appliance, that is, it has no means for connecting accessible conductive parts, if any, to the protective (earth) conductor in the fixed wiring of the installation, in case This basic insulation fails and relies on environmental conditions to prevent electric shock. 3.7.9 Class Ⅰ appliance class appliance Its protection against electric shock not only relies on basic insulation, but also includes some additional safety measures such as providing a protective earth terminal. appliance. Note. For class I appliances, these additional safety measures allow the connection of conductive parts (non-live parts) to the protective (earth) conductor in the fixed wiring, so that these It is also impossible for conductive parts to become live when the basic insulation fails. 3.7.10 Class Ⅱ appliance class appliance Appliances whose protection against electric shock relies not only on basic insulation but also by additional safety measures such as double insulation or reinforced insulation. Note 1. For Class II appliances, there is no protective earthing device or measures depending on the installation conditions. Note 2. Class II appliances may have a transition device to maintain the continuity of the protective circuit. Such devices are inside the appliance and connected to the accessible surface according to the requirements of Class II insulation. 3.7.11 Class Ⅲ appliance class appliance An appliance that is powered by a safety extra-low voltage (SELV) and does not generate an internal voltage higher than the safety extra-low voltage to prevent electric shock. 3.7.12 Relative tracking index comparative tracking Under the specified test conditions, the maximum voltage (unit. volt) that the material can withstand without tracking and continuous flame value. [IEC 60050-212. 2010, Definition 212-11-59] 3.8 Terms and definitions related to pollution 3.8.1 pollution pollution Any foreign solid, liquid, or gaseous impurity that would cause a reduction in the dielectric strength or surface resistivity of the insulation. 3.8.2 micro-environment The immediate environment of the insulation that has a significant effect on the creepage distance dimensions. Note. Appendix C specifies the degree of pollution self-produced in the switch arc chamber. 3.8.3 Macro environment macro-environment Indoor or switch other installation or use environment. 3.8.4 Pollution level polution degree A number used to characterize the expected degree of contamination of a microenvironment. Note. Use the 1, 2, 3 pollution levels specified in Appendix C (see 7.8, 7.9). 3.9 Terms and definitions related to the manufacturer's test 3.9.1 routine test routine test In order to determine compliance with the corresponding requirements of this section (see Appendix D), each individual appliance switch is subjected to during and/or after manufacture. test. 3.9.2 Sampling test sampling test An experiment performed on a batch of randomly selected switches. Note 1. Sampling tests are specified in Appendix E. Note 2. Rewrite IEC 60050-811.1991, definition 811-10-06. 3.9.3 Type test type test A test of one or more switches for a design to show that the design meets certain requirements. Note. Rewrite IEC 60050-811.1991, definition 811-10-04.

4 general requirements

All kinds of switches shall be designed and manufactured so that they can work safely in normal use, even if the conditions specified in this part occur in normal use Indiscreet use that may occur without endangering people or the surrounding environment. All relevant tests are normally carried out to check compliance with the requirements.

5 General precautions for testing

5.1 Tests required by this clause 5.1.1 In general, the higher rated parameter test conditions of the switch can replace the lower rated parameter test conditions, see 5.2. 5.1.2 In all tests, the measuring instrument or measuring device shall not significantly affect the measured value. 5.1.3 If only one sample does not comply with Chapter 14, Chapter 15, Chapter 16 and Chapter 17 (GB/T 15092.101-2020 or GB/T 15092.102-2020 Chapter 17) test requirements, repeat the failed item test with a new sample according to the required sequence All retest samples of this sequence shall meet the test requirements. 5.1.4 Unless otherwise specified in this section, the sample is tested at an ambient temperature of (25 ± 10) °C in the delivery state. 5.1.5 The sample is installed according to the manufacturer's instructions. If there are more than one method described, and the installation method is critical, the most unfavorable installation method shall be adopted. installation method. 5.1.6 For the tests in this section, the test equipment can be used to drive. The drive may be applied to the actuator or to the transmission, if manufactured The manufacturer declares that the switch actuator is detachable, and the switch actuator is not required to be provided during the test. 5.1.7 Switches with non-detachable leads are tested with the leads connected. 5.1.8 If the switch has inserts, proceed to Chapter 16 (this Part) and Chapter 17 (GB/T 15092.101-2020 or GB/T 15092.102-2020) new connecting terminal sleeves should be used during the test, and these connecting terminal sleeves should be compatible with the rated ambient temperature of the switch Compatible, and if there is a crimped area of the wire, the crimped wire shall be soldered or welded to the crimped area of the terminal socket. 5.1.9 If parts with double insulation or reinforced insulation are required for a switch for class 0 or class I appliances, these parts shall be used for class II appliances. The requirements specified for the switch of the appliance; similarly, if there are switching parts working at safety extra-low voltage, these parts are also tested according to the requirements for III Inspection of requirements specified for switches of class appliances. 5.2 Electrical Precautions 5.2.1 When more than one rating is combined or characterized by the tests described below, the following provisions apply to all tests. a) Dielectric strength test (Chapter 15 and TE3) Select the highest rated voltage for the test; b) Fever/temperature rise test (Chapter 16 and TE2) Select the highest rated current for the test. 5.2.2 According to the following conditions, a representative durability test is allowed for switches of the same classified load type (see 7.2).

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