IEC 60950-1-2013：信息技术设备安全标准详解

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"IEC 60950-1-2013 是一份国际标准，专注于信息技术设备的安全要求，特别是第一部分：通用要求。该标准详细规定了设计安全信息技术设备所需遵循的基本原则和详细规范，旨在确保设计师理解并能够实施这些安全要求，从而制造出安全的设备。此标准不仅涵盖了技术、组件、材料或方法，还提供了对这些要求基础的深入了解。" 《IEC 60950-1:2013 信息技术设备 - 安全 - 第一部分：通用要求》是国际电工委员会（IEC）发布的一份重要标准，它定义了适用于信息技术设备的安全标准，包括但不限于计算机硬件、通信设备、办公设备等。这个标准的第二版第二修正版（Edition 2.2, 2013-05）是在原有标准基础上进行了更新和修订，以反映行业最新发展和技术进步。该标准的主要目标是确保设备在设计、制造和使用过程中能够保护用户免受电击、火灾、机械伤害等各种潜在危险。通用要求部分涵盖了一系列关键安全领域，例如： 1. 电气安全：规定了设备的电气绝缘、接地、过电流保护、电压限制等方面的要求，以防止电击事故。 2. 火灾防护：涉及到设备的可燃材料选择、内部布线和热管理，以减少火灾风险。 3. 机械安全：对设备的结构、强度、运动部件防护和用户接触部件的设计进行了规定，以防止机械伤害。 4. 辐射与电磁兼容性（EMC）：确保设备不会产生过量的电磁辐射，同时具备抵御外部电磁干扰的能力，避免对其他电子设备或健康造成影响。 5. 用户接口安全：包含了设备操作界面的安全设计，如警告标志、操作说明和紧急停机机制，以确保用户操作安全。 6. 环境条件：规定了设备在不同环境温度、湿度、振动等条件下的工作要求，以保证其在各种环境中的稳定运行。 7. 测试与评估：提供了详细的测试方法和评估标准，以验证设备是否符合所有安全规定。设计师和制造商需要深入理解和应用这些基本原则，以确保他们的产品符合IEC 60950-1的标准。此外，标准的版权保护条款强调未经许可，任何部分都不能复制或以任何形式使用，除非获得IEC或相关国家委员会的书面许可。 IEC 60950-1是信息技术设备制造领域的一个关键参考，它确保了全球市场的设备具备统一的安全标准，保护了消费者的安全，并促进了国际贸易的顺利进行。

– 14 – 60950-1 © IEC:2005+A1:2009

+A2:2013

− selecting cathode ray tubes and high pressure lamps that are resistant to implosion and

explosion respectively;

− provision of markings to warn USERS where access is unavoidable.

0.2.6 Radiation

Injury to

USERS and to SERVICE PERSONS may result from some forms of radiation emitted by

equipment. Examples are sonic (acoustic), radio frequency, infra-red, ultraviolet and ionizing

radiation, and high intensity visible and coherent light (lasers).

Examples of measures to reduce risks include:

− limiting the energy level of potential radiation sources;

− screening radiation sources;

− provision of

SAFETY INTERLOCKS;

− provision of markings to warn

USERS where exposure to the radiation hazard is

unavoidable.

0.2.7 Chemical hazards

Injury may result from contact with some chemicals or from inhalation of their vapours and

fumes.

Examples of measures to reduce risks include:

− avoiding the use of constructional and consumable materials likely to cause injury by

contact or inhalation during intended and normal conditions of use;

− avoiding conditions likely to cause leakage or vaporization;

− provision of markings to warn

USERS about the hazards.

0.3 Materials and components

Materials and components used in the construction of equipment should be so selected and

arranged that they can be expected to perform in a reliable manner for the anticipated life of

the equipment without creating a hazard, and would not contribute significantly to the

development of a serious fire hazard. Components should be selected so that they remain

within their manufacturers' ratings under normal operating conditions, and do not create a

hazard under fault conditions.

60950-1 © IEC:2005+A1:2009 – 15 –

+A2:2013

INFORMATION TECHNOLOGY EQUIPMENT –

SAFETY –

Part 1: General requirements

1 General

1.1 Scope

1.1.1 Equipment covered by this standard

This standard is applicable to mains-powered or battery-powered information technology

equipment, including electrical business equipment and associated equipment, with a

RATED

VOLTAGE

not exceeding 600 V.

This standard is also applicable to such information technology equipment:

− designed for use as telecommunication terminal equipment and

TELECOMMUNICATION

NETWORK

infrastructure equipment, regardless of the source of power;

− designed and intended to be connected directly to, or used as infrastructure equipment in,

a CABLE DISTRIBUTION SYSTEM, regardless of the source of power;

− designed to use the

AC MAINS SUPPLY as a communication transmission medium (see

Clause 6, Note 4 and 7.1, Note 4).

This part of IEC 60950 is also applicable to:

− components and subassemblies intended for incorporation in information technology this

equipment. It is not expected that Such components and subassemblies need not comply

with every aspect requirement of the standard, provided that the complete information

technology equipment, incorporating such components and subassemblies, does comply;

− external power supply units intended to supply other equipment within the scope of this

part of IEC 60950;

− accessories intended to be used with equipment within the scope of this part of

IEC 60950.

NOTE 1 Examples of aspects with which uninstalled components, subassemblies and accessories may not

comply include the marking of the power rating and access to hazardous parts.

NOTE 2 This standard may be applied to the electronic parts of equipment even if that equipment does not wholly

fall within its Scope, such as large-scale air conditioning systems, fire detection systems and fire extinguishing

systems. Different requirements may be necessary for some applications.

This standard specifies requirements intended to reduce risks of fire, electric shock or injury

for the

OPERATOR and layman who may come into contact with the equipment and, where

specifically stated, for a

SERVICE PERSON.

This standard is intended to reduce such risks with respect to installed equipment, whether it

consists of a system of interconnected units or independent units, subject to installing,

operating and maintaining the equipment in the manner prescribed by the manufacturer.

Examples of equipment that is in the scope of this standard are:

– 16 – 60950-1 © IEC:2005+A1:2009

+A2:2013

Generic product type Specific example of generic type

banking equipment monetary processing machines including automated teller (cash dispensing)

machines (ATM)

data and text processing machines

and associated equipment

data preparation equipment, data processing equipment, data storage

equipment, personal computers, plotters, printers, scanners, text processing

equipment, visual display units

data network equipment bridges, data circuit terminating equipment, data terminal equipment, routers

electrical and electronic retail

equipment

cash registers, point of sale terminals including associated electronic scales

electrical and electronic office

machines

calculators, copying machines, dictation equipment, document shredding

machines, duplicators, erasers, micrographic office equipment, motor-operated

files, paper trimmers (punchers, cutting machines, separators), paper jogging

machines, pencil sharpeners, staplers, typewriters

other information technology

equipment

photoprinting equipment, public information terminals, multimedia equipment

postage equipment mail processing machines, postage machines

telecommunication network

infrastructure equipment

billing equipment, multiplexers, network powering equipment, network

terminating equipment, radio basestations, repeaters, transmission

equipment, telecommunication switching equipment

telecommunication terminal

equipment

facsimile equipment, key telephone systems, modems, PABXs, pagers,

telephone answering machines, telephone sets (wired and wireless)

NOTE 3 The requirements of IEC 60065 may also be used to meet safety requirements for multimedia equipment.

See IEC Guide 112, Guide on the safety of multimedia equipment.

This list is not intended to be comprehensive, and equipment that is not listed is not

necessarily excluded from the Scope.

Equipment complying with the relevant requirements in this standard is considered suitable

for use with process control equipment, automatic test equipment and similar systems

requiring information processing facilities. However, this standard does not include

requirements for performance or functional characteristics of equipment.

1.1.2 Additional requirements

Requirements additional to those specified in this standard may be necessary for:

− equipment intended for operation in special environments (for example, extremes of

temperature; excessive dust, moisture or vibration; flammable gases; and corrosive

or explosive atmospheres);

− electromedical applications with physical connections to the patient;

− equipment intended to be used in vehicles, on board ships or aircraft, in tropical countries,

or at altitudes greater than 2 000 m;

− equipment intended for use where ingress of water is possible; for guidance on such

requirements and on relevant testing, see Annex T.

NOTE Attention is drawn to the fact that authorities of some countries impose additional requirements.

1.1.3 Exclusions

This standard does not apply to:

− power supply systems which are not an integral part of the equipment, such as motor-

generator sets, battery backup systems and distribution transformers;

− building installation wiring;

60950-1 © IEC:2005+A1:2009 – 17 –

+A2:2013

− devices requiring no electric power.

1.2 Definitions

For the purpose of this International Standard the following definitions apply. Where the terms

"voltage" and "current" are used, they imply the r.m.s. values, unless otherwise specified.

Definitions in alphabetical order of nouns

AREA, OPERATOR ACCESS ................................................................................................. 1.2.7.1

AREA, SERVICE ACCESS .................................................................................................... 1.2.7.2

BODY .............................................................................................................................. 1.2.7.5

CABLE, INTERCONNECTING .............................................................................................. 1.2.11.6

CABLE DISTRIBUTION SYSTEM ........................................................................................ 1.2.13.14

CHEESECLOTH ............................................................................................................. 1.2.13.15

CIRCUIT, ELV ................................................................................................................... 1.2.8.7

CIRCUIT, LIMITED CURRENT ............................................................................................... 1.2.8.9

CIRCUIT, PRIMARY ............................................................................................................ 1.2.8.4

CIRCUIT, SECONDARY ....................................................................................................... 1.2.8.5

CIRCUIT, SELV .................................................................................................................. 1.2.8.8

CIRCUIT, TNV ................................................................................................................. 1.2.8.11

CIRCUIT, TNV-1 .............................................................................................................. 1.2.8.12

CIRCUIT, TNV-2 .............................................................................................................. 1.2.8.13

CIRCUIT, TNV-3 .............................................................................................................. 1.2.8.14

CLEARANCE ................................................................................................................... 1.2.10.1

CONDUCTOR, PROTECTIVE BONDING ............................................................................... 1.2.13.11

CONDUCTOR, PROTECTIVE EARTHING ............................................................................. 1.2.13.10

CORD, DETACHABLE POWER SUPPLY ................................................................................... 1.2.5.5

CORD, NON-DETACHABLE POWER SUPPLY ........................................................................... 1.2.5.6

CREEPAGE DISTANCE ...................................................................................................... 1.2.10.2

CURRENT, PROTECTIVE CONDUCTOR .............................................................................. 1.2.13.13

CURRENT, RATED ............................................................................................................. 1.2.1.3

CURRENT, TOUCH ......................................................................................................... 1.2.13.12

CUT-OUT, THERMAL ........................................................................................................ 1.2.11.3

CUT-OUT, THERMAL, AUTOMATIC RESET ............................................................................ 1.2.11.4

CUT-OUT, THERMAL, MANUAL RESET ................................................................................. 1.2.11.5

EARTHING, FUNCTIONAL .................................................................................................. 1.2.13.9

ENCLOSURE ..................................................................................................................... 1.2.6.1

ENCLOSURE, ELECTRICAL .................................................................................................. 1.2.6.4

ENCLOSURE, FIRE ............................................................................................................ 1.2.6.2

ENCLOSURE, MECHANICAL ................................................................................................. 1.2.6.3

ENERGY LEVEL, HAZARDOUS ............................................................................................ 1.2.8.10

EQUIPMENT, CLASS I ......................................................................................................... 1.2.4.1

EQUIPMENT, CLASS II ........................................................................................................ 1.2.4.2

EQUIPMENT, CLASS III ....................................................................................................... 1.2.4.3

EQUIPMENT, DIRECT PLUG-IN ............................................................................................. 1.2.3.6

EQUIPMENT FOR BUILDING-IN ............................................................................................. 1.2.3.5

EQUIPMENT, HAND-HELD ................................................................................................... 1.2.3.2

EQUIPMENT, MOVABLE ...................................................................................................... 1.2.3.1

EQUIPMENT, PERMANENTLY CONNECTED ............................................................................. 1.2.5.4

EQUIPMENT, PLUGGABLE ................................................................................................... 1.2.5.3

EQUIPMENT, PLUGGABLE, TYPE A ....................................................................................... 1.2.5.1

EQUIPMENT, PLUGGABLE, TYPE B ....................................................................................... 1.2.5.2

+A2:2013

EQUIPMENT, STATIONARY .................................................................................................. 1.2.3.4

EQUIPMENT, TRANSPORTABLE............................................................................................ 1.2.3.3

FREQUENCY, RATED ......................................................................................................... 1.2.1.4

INSULATION, BASIC ........................................................................................................... 1.2.9.2

INSULATION, DOUBLE ........................................................................................................ 1.2.9.4

INSULATION, FUNCTIONAL .................................................................................................. 1.2.9.1

INSULATION, REINFORCED ................................................................................................. 1.2.9.5

INSULATION, SOLID ......................................................................................................... 1.2.10.4

INSULATION, SUPPLEMENTARY ........................................................................................... 1.2.9.3

INTERLOCK, SAFETY ......................................................................................................... 1.2.7.6

LIMIT, EXPLOSION ......................................................................................................... 1.2.12.15

LIMITER, TEMPERATURE .................................................................................................. 1.2.11.2

LOAD, NORMAL ................................................................................................................. 1.2.2.1

LOCATION, RESTRICTED ACCESS ........................................................................................ 1.2.7.3

MATERIALS, FLAMMABILITY CLASSIFICATION ...................................................................... 1.2.12.1

MATERIAL, 5VA CLASS .................................................................................................... 1.2.12.5

MATERIAL, 5VB CLASS ..................................................................................................... 1.2.12.6

MATERIAL, HB40 CLASS ................................................................................................. 1.2.12.10

MATERIAL, HB75 CLASS ................................................................................................. 1.2.12.11

MATERIAL, HBF CLASS FOAMED ........................................................................................ 1.2.12.9

MATERIAL, HF-1 CLASS FOAMED ....................................................................................... 1.2.12.7

MATERIAL, HF-2 CLASS FOAMED ....................................................................................... 1.2.12.8

MATERIAL, V-0 CLASS ..................................................................................................... 1.2.12.2

MATERIAL, V-1 CLASS ..................................................................................................... 1.2.12.3

MATERIAL, V-2 CLASS ..................................................................................................... 1.2.12.4

MATERIAL, VTM-0 CLASS ............................................................................................... 1.2.12.12

MATERIAL, VTM-1 CLASS ............................................................................................... 1.2.12.13

MATERIAL, VTM-2 CLASS ............................................................................................... 1.2.12.14

NETWORK, TELECOMMUNICATION .................................................................................... 1.2.13.8

OPERATOR .................................................................................................................... 1.2.13.7

PART, DECORATIVE ........................................................................................................... 1.2.6.5

PERSON, SERVICE .......................................................................................................... 1.2.13.5

RANGE, RATED FREQUENCY ............................................................................................... 1.2.1.5

RANGE, RATED VOLTAGE ................................................................................................... 1.2.1.2

RATING, PROTECTIVE CURRENT ...................................................................................... 1.2.13.17

SHREDDER (DOCUMENT/MEDIA, HOUSEHOLD AND HOME/OFFICE) ….. ................................. 1.2.13.18

SUPPLY, AC MAINS ............................................................................................................ 1.2.8.1

SUPPLY, DC MAINS ........................................................................................................... 1.2.8.2

SUPPLY, MAINS ................................................................................................................ 1.2.8.3

SURFACE, BOUNDING ...................................................................................................... 1.2.10.3

TEST, ROUTINE .............................................................................................................. 1.2.13.3

TEST, SAMPLING ............................................................................................................. 1.2.13.2

TEST, TYPE .................................................................................................................... 1.2.13.1

THERMOSTAT ................................................................................................................. 1.2.11.1

TIME, RATED OPERATING ................................................................................................... 1.2.2.2

TIME, RATED RESTING ....................................................................................................... 1.2.2.3

TISSUE, WRAPPING ....................................................................................................... 1.2.13.16

TOOL .............................................................................................................................. 1.2.7.4

USER ............................................................................................................................ 1.2.13.6

VOLTAGE, DC. ................................................................................................................ 1.2.13.4

VOLTAGE, HAZARDOUS ...................................................................................................... 1.2.8.6

VOLTAGE, MAINS TRANSIENT ............................................................................................ 1.2.9.10

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