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GB/T 14536.3-2022: Automatic electrical controls - Part 3: Particular requirements for thermal motor protectors
Status: Valid GB/T 14536.3: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 14536.3-2022 | English | 554 |
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Automatic electrical controls - Part 3: Particular requirements for thermal motor protectors
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GB/T 14536.3-2022
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| GB 14536.3-2008 | English | 874 |
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[GB/T 14536.3-2008] Automatic electrical controls for household and similar use -- Particular requirements for thermal motor protectors
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GB 14536.3-2008
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| GB 14536.3-1996 | English | 639 |
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Automatic electrical controls for household and similar use. Particular requirements for thermal motor protectors
| Obsolete |
GB 14536.3-1996
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PDF similar to GB/T 14536.3-2022
Basic data | Standard ID | GB/T 14536.3-2022 (GB/T14536.3-2022) | | Description (Translated English) | Automatic electrical controls - Part 3: Particular requirements for thermal motor protectors | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K09 | | Classification of International Standard | 97.120 | | Word Count Estimation | 27,226 | | Date of Issue | 2022-12-30 | | Date of Implementation | 2023-07-01 | | Older Standard (superseded by this standard) | GB/T 14536.3-2008, GB/T 14536.5-2008 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 14536.3-2022: Automatic electrical controls - Part 3: Particular requirements for thermal motor protectors
---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.
ICS 97.120
CCSK32
National Standards of People's Republic of China
Replacing GB/T 14536.3-2008, GB/T 14536.5-2008
Electric automatic controller
Part 3.Particular requirements for motor thermal protectors
motor protectors
Posted on 2022-12-30
2023-07-01 implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
table of contents
Preface III
Introduction V
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 General requirements 2
5 General description of the test 2
6 rating 2
7 categories 2
8 Data 3
9 Protection against electric shock 4
10 Ground protection measures 4
11 Terminals and terminals 4
12 Structural Requirements 5
13 Moisture-proof and dust-proof 5
14 Electric strength and insulation resistance 5
15 Fever 5
16 Manufacturing deviation and drift 6
17 Environmental stress 6
18 Durability 6
19 Mechanical strength 8
20 Threaded parts and their connections 8
21 Creepage distances, clearances and distances through solid insulation 8
22 Heat resistance, flame resistance and tracking resistance 9
23 Corrosion resistance 9
24 Electromagnetic compatibility (EMC) requirements --- launch 9
25 components 9
26 Normal operation 9
27 Electromagnetic compatibility (EMC) requirements --- immunity 9
28 Abnormal operation 9
29 Guidelines for the use of electronic disconnection 9
Appendix 10
Appendix E (Normative) Circuits for Measuring Leakage Current 11
Appendix AA (informative) Endurance test of motor thermal protector not installed on the motor 12
Appendix BB (informative) Tests on motor and motor thermal protector combination (not applicable to hermetic motor-compressor) 14
Appendix CC (informative) Additional information on the application of motor protectors under pollution degrees 1, 2 and 3 19
Figure 101 Limited short-circuit test scheme 7
Table 1 4
Table 101 Limited short-circuit capacity (applicable to Canada and the United States) 7
Table BB.101 Additional required information and ways to provide information 15
Table BB.201 Maximum allowable temperature under load operating conditions 16
Table BB.202 Percentage of the maximum continuous overload current allowed by the thermal protector to the full load current of the motor 17
Table BB.203 Maximum allowable temperature under blocked rotor conditions17
Table CC.1 19
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules for Standardization Documents"
drafting.
This document is part 3 of GB/T 14536.GB/T 14536 has published the following parts.
---GB/T 14536.1-2022 Electric automatic controller Part 1.General requirements;
---GB/T 14536.4-2008 Household and similar electrical automatic controllers special features for thermal protectors for ballasts for fluorescent lamps
Require;
---GB/T 14536.6-2022 Electric automatic controller Part 6.Special requirements for burner electric automatic control system;
---GB/T 14536.7-2010 Household and similar electric automatic controllers, special requirements for pressure-sensitive electric automatic controllers,
including mechanical requirements;
---GB/T 14536.8-2010 Special requirements for household and similar electric automatic controller timers and timing switches;
---GB/T 14536.9-2008 Special requirements for electric water valves of electric automatic controllers for household and similar purposes (including mechanical requirements
beg);
---GB/T 14536.10-2022 Electric automatic controllers Part 10.Special requirements for temperature-sensitive controllers;
---GB/T 14536.11-2008 Special requirements for starting relays for motors of household and similar electric automatic controllers;
---GB/T 14536.12-2010 Special requirements for household and similar electric automatic controller energy regulator;
---GB/T 14536.13-2022 Electric automatic controller Part 13.Special requirements for electric door locks;
---GB/T 14536.15-2022 Electric automatic controllers Part 15.Special requirements for humidity sensitive controllers;
---GB/T 14536.16-2013 Special requirements for household and similar electric automatic controllers and electric starters;
---GB/T 14536.17-2005 Float type or electrode sensitive type used in household and similar electric automatic controller boilers
Special requirements for water level sensitive electric automatic controllers;
---GB/T 14536.18-2006 Electric automatic controllers for household and similar applications Float-type water level operating electric appliances for household and similar applications
Special requirements for automatic controllers;
---GB/T 14536.19-2017 Special requirements for household and similar electric automatic controller electric gas valve;
---GB/T 14536.20-2008 Household and similar electric automatic controller water flow and air flow sensitive controller special requirements
requirements, including mechanical requirements;
---GB/T 14536.21-2008 Special requirements for household and similar electric automatic controller electric oil valve, including mechanical
Require.
This document replaces GB/T 14536.3-2008 "Special requirements for motor thermal protectors for household and similar electric automatic controllers"
And GB/T 14536.5-2008 "Household and similar electric automatic controller sealed and semi-hermetic motors - motor thermal protection for compressors
Special Requirements for Protectors", compared with GB/T 14536.3-2008 and GB/T 14536.5-2008, except for structural adjustments and editorial changes
In addition, the main technical changes are as follows.
a) Added a description of the dependence between the motor thermal protector and the motor (see 1.1);
b) Changed the limited short-circuit test (see Chapter 18, Chapter 17 of GB/T 14536.3-2008 and GB/T 14536.5-2008);
c) Changed the requirements for creepage distances, clearances and penetration distances of solid insulation (see Chapter 21, GB/T 14536.3-2008 and
Chapter 20 of GB/T 14536.5-2008);
d) Added description content (see Chapter 23);
e) Changed the content of the table in Appendix BB (see Table BB.101 and Table BB.202, Appendix AA of GB/T 14536.3-2008
Table AA.7.2 and Table AA.17.105.1.2);
f) Added Appendix CC "Other information on the application of motor protectors under pollution degrees 1, 2, and 3" (see Appendix CC).
This document is equivalent to IEC 60730-2-22.2014 "Electric automatic controllers Part 2-22.Special requirements for motor thermal protectors"
beg".
This document sets 1.1 Scope and 1.2 Normative References in Chapter 1 of the international document as Chapter 1 and Chapter 2 separately, and the following
The chapter number is extended. The chapters and articles of Appendix H, Appendix J, Appendix U, and Appendix V are adjusted accordingly.
The following minimal editorial changes have been made to this document.
--- In order to coordinate with existing standards, the name of this document is changed to "Electric automatic controllers Part 3.Special requirements for motor thermal protectors
beg";
--- The unit of rotation in AA.2.3.1 is corrected from "°mm/s" to "(°)/s";
---In IEC 60730-2-22.2014, the "Table BB.1" mentioned in the first paragraph of BB.7.2.1 is a clerical error, it should be "Table BB.101",
The "Form BB.202" mentioned in the third paragraph of BB.17.205.1.2 is a clerical error, it should be "Form BB.203", the fifth paragraph mentioned
"Form BB.202" should read "Form BB.201".
Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents.
This document is proposed by China Electrical Equipment Industry Association.
This document is under the jurisdiction of the National Standardization Technical Committee of Household Automatic Controllers (SAC/TC212).
This document is drafted by. Hangzhou Xingshuaier Electric Co., Ltd., Changshu Tianyin Electromechanical Co., Ltd., Yangzhou Wuyue Electric Co., Ltd.
Co., Ltd., China Electric Apparatus Research Institute Co., Ltd., Shanghai Highly Electric Co., Ltd., Jiaxi Bella Compressor Co., Ltd., Foshan Tong
Baohuaxing Controller Co., Ltd., Weikai Testing Technology Co., Ltd., Guangdong Zhongchuang Zhijia Scientific Research Co., Ltd., Huangshi Dongbei Compressor Co., Ltd.
Co., Ltd., Panasonic Wanbao (Guangzhou) Compressor Co., Ltd., Nidec Compressor (Beijing) Co., Ltd., Anhui Meizhi Refrigeration Equipment Co., Ltd.
Division, Hangzhou Qianjiang Refrigeration Compressor Group Co., Ltd., Ningbo Shengfang Miramar Electric Co., Ltd., Zhuhai Lingda Compressor Co., Ltd., Huayi
Compressor (Jingzhou) Co., Ltd., Midea Group Co., Ltd., Zhejiang Zhongyan Thermostat Co., Ltd., Guangzhou Senbao Electric Co., Ltd.
Division, Jiangsu Changsheng Electric Co., Ltd., Xiamen Saierte Electronics Co., Ltd., Mitsubishi Electric (Guangzhou) Compressor Co., Ltd., Foshan High
Mingouyi Electronics Manufacturing Co., Ltd., Jiangsu Yitong Control System Co., Ltd., Guangdong Meizhi Refrigeration Equipment Co., Ltd., Guangzhou Wanbao Group Press
Compressor Co., Ltd., Zanussi Electric Machinery Tianjin Compressor Co., Ltd., China Household Electrical Appliances Research Institute, Qingdao Haier Intelligent Technology Research and Development Co., Ltd.
Co., Ltd., Jiangyin Zhixiang Electronic Technology Co., Ltd., Ningbo Xinyuan Electronics Co., Ltd., Foshan Shunde Ronggui Electric Co., Ltd., Hangzhou
Zhoujiang Jiangnan Electric Co., Ltd., Yangzhou Baozhu Electric Co., Ltd., Wuxi Little Swan Electric Co., Ltd., Yidu Botong Electronics Co., Ltd.
Ren Company, Lanxi Yueqiang Electric Co., Ltd., Jiangsu Yinggefei Electric Technology Co., Ltd., Wenzhou Hongfeng Electrical Alloy Co., Ltd., Zhejiang
Jiangyou Shengkang Technology Co., Ltd., Jiangsu Electronic Information Product Quality Supervision and Inspection Research Institute, Guangdong Midea Kitchen Appliances Manufacturing Co., Ltd.,
Changzhou Changda Electric Co., Ltd., Zhejiang Jinyang Electronics Co., Ltd., Zhongshan Dison Electric Co., Ltd., Jiangsu Changrong Electric Co., Ltd.
Company, Zhejiang Ruiyi Electric Manufacturing Co., Ltd., Foshan Lianda Electric Co., Ltd., Zhangzhou Yabao Electronics Co., Ltd., Ningbo Shuaiwei
Electric Co., Ltd., Jiaxing Weikai Testing Technology Co., Ltd., Guangdong Xinruan Technology Co., Ltd., Shaanxi Zhiheng Electric Technology Co., Ltd., Guangdong
Yonghui Technology Co., Ltd., Xi'an Xumai Smart Home Appliance Technology Co., Ltd., Zhejiang Rujing Technology Co., Ltd., Guangdong Yidu Technology Co., Ltd.,
Jinhua Guanri Intelligent Technology Co., Ltd., Shaanxi Yuntuo Electric Co., Ltd., Guangdong Chengxin Technology Co., Ltd., Shandong Yaosi Intelligent Technology Co., Ltd.
company.
The main drafters of this document. Lu Wencheng, Zhao Yunwen, Wu Weiguo, Kong Ruixun, Zhou Yi, Hu Juan, Chen Zhigang, Jing Yixin, Zhuang Weiwei, Wu Hongbiao,
Fang Cheng, Zu Guang, Du Jijun, Yang Shunzhao, Zhu Guchang, Lin Yongming, Liang Heming, Wu Yiqun, Lei Weidong, Jiang Lin, Chen Lin, Cao Shiliang, Chen Yonglong, Shi Qingsheng,
Cheng Mingsheng, Xu Zhonghou, Li Bo, Ou Zhiwen, Miao Rong, Qi Xiuxiu, Wang Song, Liu Qingli, Jia Yulin, Sheng Ronghui, Ma Zhijun, Dai Baiqing, Wu Jinhua,
Chen Yang, Han Chaojun, Wang Zhaolong, Ren Ping, Wei Bing, Zhu Xiaoyin, Gu Siqing, Chen Xiao, Li Junkai, Yang Yizhou, Liu Guangsen, Tan Jianfu, Chen Shenggu, Zheng Zanwen,
Kuang Xifang, Yi Sanshan, Guo Qiqiang, Liu Yongdong, Zhang Jianwei, Liu Mingtao, Chen Kaihua, Ping Ge, Chen Ying, Chen Feng, Xiao Benchong, Li Shouying, Li Tairong,
Zheng Haifeng, Huang Jianwei, Li Ji.
The previous versions of the documents replaced by this document are as follows.
--- First released in.1996 as GB/T 14536.3-1996 and GB/T 14536.5-1996, both revised for the first time in.2008;
--- This is the second revision.
Introduction
Automation and intelligence are the development goals of all kinds of live equipment, and the electric automatic controller is the cornerstone of its realization. as an appliance
The core components of the equipment, the inherent safety and functional safety of the electric automatic controller are closely related to the safety of personal and property. GB/T 14536
The series of standards adopt the IEC 60730 series of standards, which regulate the electrical and automatic safety of household and similar electrical appliances and other electrical and non-electrical equipment.
The requirements for control devices can also be extended to industrial applications in the absence of specific product standards, such as central heating, air conditioning, process heating buildings
Yu automation, etc., specifically include the following contents.
--- Electric automatic control device, which operates mechanically, electromechanically, electrically or electronically, responds to or controls conditions such as temperature, pressure, passage of time,
Parameters such as humidity, light, electrostatic effects, flow or level.
--- Electric automatic control devices for starting small electric motors mainly used in household and similar appliances and equipment. this control
The device can be built into the motor or separate from the motor.
--- Non-automatic control devices related to automatic control devices.
The IEC 60730 series of standards have been revised several times, expanding the scope from electric automatic controllers for household and similar purposes to electric automatic controllers.
In China, GB/T 14536 series standards are being revised successively according to the new version of IEC standards. The revised GB/T 14536 series intends to
Consists of the following parts.
---GB/T 14536.1 Electric automatic controller Part 1.General requirements. The purpose is to generally standardize electric automatic controller products
Require.
---GB/T 14536.3 Electric automatic controller Part 3.Special requirements for motor thermal protectors. The purpose is to standardize electric
Machine thermal protector product requirements.
---GB/T 14536.4 Special requirements for household and similar electric automatic controllers, ballast thermal protectors for tubular fluorescent lamps.
The purpose is to standardize product requirements for ballast thermal protectors for tubular fluorescent lamps.
---GB/T 14536.6 Electric automatic controller Part 6.Special requirements for electric automatic burner control system. purpose is to regulate
Fan burner electric automatic control system requirements.
---GB/T 14536.7 Electric automatic controllers Part 7.Special requirements for pressure-sensitive electric automatic controllers, including mechanical requirements
beg. The purpose is to standardize the product requirements of pressure-sensitive electric automatic controllers.
---GB/T 14536.8 Electric automatic controller Part 8.Special requirements for timers and time switches. The purpose is to standardize
Timer and time switch product requirements.
--- GB/T 14536.9 Electric automatic controller Part 9.Special requirements for electric water valves, including mechanical requirements. purpose is
Standardize product requirements for electric water valves.
---GB/T 14536.10 Electric automatic controllers Part 10.Special requirements for temperature-sensitive controllers. The purpose is to standardize the temperature
Sensitive controller product requirements.
--- GB/T 14536.11 Special requirements for starting relays for electric motors of household and similar electric automatic controllers. The purpose is
It is used to standardize the product requirements of starting relays for electric motors.
--- GB/T 14536.12 Electric automatic controller Part 12.Special requirements for energy regulators. The purpose is to standardize energy regulation
Saver product requirements.
---GB/T 14536.13 Electric automatic controller Part 13.Special requirements for electric door locks. The purpose is to standardize electric door locks
product requirement.
---GB/T 14536.15 Electric automatic controllers Part 15.Special requirements for humidity-sensitive controllers. The purpose is to regulate wet
Sensitive controller product requirements.
---GB/T 14536.16 Electric automatic controller Part 16.Special requirements for electric starters. The purpose is to standardize electric starters
product requirement.
---GB/T 14536.17 Electric automatic controllers Part 17.Special features for automatic electric air flow, water flow and water level sensing controllers
Require. The purpose is to standardize product requirements for automatic electric air flow, water flow and water level sensing controllers.
---GB/T 14536.23 Electric automatic controller Part 23.Special requirements for electronic sensors and sensing elements. purpose is
Specifies product requirements for electronic sensors and sensing elements.
---GB/T 14536.24 Electric automatic controller Part 24.Special requirements for stroke-sensitive controllers. The purpose is to standardize
Process-sensitive controller product requirements.
---GB/T 14536.25 Electric automatic controllers Part 25.Special requirements for current-sensitive controllers. The purpose is to regulate the electrical
Flow Sensitive Controller Product Requirements.
This document is used in conjunction with GB/T 14536.1-2022.If there is a problem with the use of this document due to version differences, please refer to
The corresponding version of the original IEC standard.
It should be noted that IEC 60730-2-22.2014 is based on IEC 60730-1.2010, but when this document was drafted,
IEC 60730-1.2015 has been officially published, and the revision of this version corresponding to the national standard has been started in China, that is, GB/T 14536.1-2022, which is
In order to maintain the consistency of iterations of the GB/T 14536 series of standard versions, this document has been appropriately revised based on the content of IEC 60730-1.2015.
Adjustment.
The product corresponding to this document is a thermal protector for household and similar motors, whose function is to trigger the thermal protector when the motor is overloaded or blocked.
The protector cuts off the power supply of the motor, so as to achieve the purpose of over-temperature or over-current protection. The thermal protector with the above characteristics has the advantages of simple structure,
It is widely used in household and similar occasions because of its reliable features. Due to the operating value, operating time and operating sequence of the thermal protector
It is closely related to the safety of the protected object, so on the basis of equivalently adopting IEC 60730-2-22.2014, it combines the technical terms
The latest product technology in the motor thermal protector industry has formulated this document.
This revision mainly solves the problem of synergy between national standards and international standards and the problem of aging standards, ensuring the timeliness and continuation of standards.
It provides strong technical support for product promotion and application, and guides and regulates the design, manufacture and selection of motor thermal protectors.
It provides the basis for model, performance test and product acceptance, which is conducive to improving the technical performance, safety and reliability of the product, and promoting the improvement of its technical level.
In this document, where "addition", "modification" or "replacement" is indicated, the relevant requirements, test methods or explanatory items in Part 1 are also
Make the corresponding modifications. Where there is no need to modify, this document will also indicate in the corresponding chapters and articles that the chapters and articles apply.
Compared with Part 1, the newly added articles, labels, tables and figures in this document are numbered from 101, and the newly added appendices are numbered from the letters AA,
BB and so on start.
Electric automatic controller
Part 3.Particular requirements for motor thermal protectors
1 Scope
This chapter of GB/T 14536.1-2022 applies except for the following.
replace.
This document is applicable to some evaluations of household and similar motor thermal protectors defined in GB/T 14536.1, including those used in engine
Motor thermal protectors in heat, air conditioning and similar applications and hermetic (hermetic and semi-hermetic) motor-compressors.
Note. The motor thermal protector is considered as an integral controller, and its protective function depends on the correct installation and fixing inside or on the surface of the motor, and
And can only be combined with the relevant motor together for a complete test. This dependency is illustrated by the following points.
---The motor thermal protector can accurately and reliably sense the heating of the motor winding, which solves the problem of excessive temperature of the motor when it is overloaded;
---The motor thermal protector can accurately and reliably sense the current value when the motor is locked, thus reducing the response time of the thermal protector and making the assembly point free
are adversely affected by thermal issues;
---The electromagnetic field of the motor affects the breaking action of the motor thermal protector, especially the direction of the arc between the contacts, which makes the contact material wear unevenly,
Eventually the operation fails.
The combined test requirements for hermetic (hermetic and semi-hermetic) motor-compressors and motor thermal protectors are specified in IEC 60335-2-
34 listed.
This document applies to motor thermal protectors using NTC or PTC thermistors. Additional requirements are included in Appendix J.
1.1 This document applies to the intrinsic safety of the equipment and the operating values, operating times and operating sequences related to the safety of the equipment;
or similar equipment and tests of motor thermal protectors for hermetic (hermetic and semi-hermetic) motor-compressors.
This document applies to electrical motor thermal protectors within the scope of IEC 60335-1 and its special requirements, but is not limited to this scope.
Note. In this document, the word "equipment" refers to "apparatus and equipment".
Thermal protectors not intended for general household use, but which may still be used by the public, such as those intended for use in shops, light industry and agriculture
For equipment used by non-professionals in the field, the motor thermal protector used is still within the scope of this document.
This document does not apply to thermal motor protectors designed for industrial applications.
1.2 This document does not apply to other motor protection devices.
1.3 This document does not apply to manual devices for disconnecting circuits.
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document.
This chapter of GB/T 14536.1-2022 applies except for the following.
Increase.
IEC 60269-3 Low-voltage fuse-links Part 3.Supplementary requirements for fuse-links for unskilled personnel (mainly for household and similar
Use of fuses) Standardized fuse system examples A to F [Low-voltagefuses-Part 3.Supplementary
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