Gossen Metrawatt Camille Bauer

Testing electronic equipment per iec 62368-1

INTERNATIONAL ELECTROTECHNICAL COMMISSION

The International Electrotechnical Commission (IEC) is an international standards organization based in Geneva that prepares and publishes standards in the fields of electrical engineering and electronics.

As an association under Swiss law, the IEC is a non-profit, non-governmental organization. In addition to the IEC鈥檚 head office in Geneva, there are four regional centers as well: in Singapore for Asia, in Brazil for Latin America, in the USA for North America and in Sydney for the Pacific region.

HISTORY

The IEC was founded in 1906 and was initially located in London, but has been based in Geneva since 1948. The IEC was instrumental in harmonizing standards for units of measure, in particular Gauss, Hertz and Weber. The IEC was also the first to propose a system of standards, namely the Giovanni Giorgi system, which eventually became the International System of Units (SI). A multilingual, international dictionary was published in 1938 in order to standardize electrotechnical terminology. This work continues and the International Electrotechnical Dictionary (IEV) remains an important project in the electrical and electronics industry.

MISSION

The IEC鈥檚 charter covers the entire spectrum of electrotechnology, including power conversion and distribution, electronics, magnetism and electromagnetism, electroacoustics, multimedia, telecommunications and medical technology, as well as general disciplines such as vocabulary and symbols, electromagnetic compatibility, metrology and operating performance, reliability, design and development, safety and the environment.

MEMBERSHIP

The IEC consists of members known as national committees (NCs). Each NC represents its own national, electrotechnical interests within the IEC covering manufacturers, utilities, distributors and suppliers, consumers and users, government agencies at all levels, professional and trade associations, as well as developers of national standards bodies. Roughly 90% of the employees who prepare IEC standards work in industry.

More than 80 countries are represented by the IEC, organized into 1442 workgroups and commissions.

DIN EN IEC 62368-1

As part of the implementation of the European directive on occupational safety, a standard for testing electrical equipment after repair was also issued 鈥 EN 50678. Information technology equipment could not be covered by this standard because, in the opinion of the expert committee, the requirements for testing after repair are determined by the manufacturer of the equipment, taking into account the requirements from the product standard. Consequently, IEC 62368 serves as the basis for testing after repair.

Part 1 of IEC 62368 is a product safety standard which classifies energy sources, stipulates protective measures for energy sources and provides guidelines for their use. The specified safety precautions are designed to reduce the likelihood of pain, injury and, in the event of fire, property damage.

IEC 62368-1 applies to electrical and electronic equipment in the fields of audio, video, information and telecommunications technology, including electric office machines up to a nominal voltage of 600 V. The standard also applies to components and assemblies intended for integration into such equipment.

In contrast to DIN EN 60950-1 (VDE 0805-1) and DIN EN 60065 (VDE 0860), DIN EN 62368-1 (VDE 0868-1) has been entirely restructured and adopts a new safety approach. This new approach is based on the premise that damage can occur when energy of sufficient magnitude and duration acts upon a body. Taking the risk of danger posed by possible energy sources into account is paramount to safe equipment design.

Energy Form Example: Body Reaction / Property Damage
Electrical energy
(e.g. live conductive parts)
Pain, cardiac fibrillation, cardiac arrest, respiratory arrest, burning of the skin or internal organs
Thermal energy
(e.g. electrical ignition and spread of fire)
Electrically caused fire resulting in pain or injury due to burns, or property damage
Chemical reaction (e.g. electrolyte, poison) Skin damage, organ damage or poisoning
Kinetic energy
(e.g. moving parts of a device or a moving body part which strikes a device part)
Laceration, puncture, abrasion, contusion, amputation or loss of a limb, eye, ear etc.
Thermal energy
(e.g. accessible hot parts)
Burning of the skin
Radiated energy
(e.g. electromagnetic energy, optical energy, acoustic energy)
Loss of vision, skin burns or loss of hearing