What is EN 60335-2-79:2020 ?

Title: Understanding EN 60335-2-79:2020: A Technical Standard for Electrical Safety

The electrical industry is one of the most critical sectors, and the safety of electrical appliances and equipment is of utmost importance. The IEC 60335 series is a set of international technical standards that outline the safety requirements for various types of appliances. EN 60335-2-79:2020 is a specific standard that focuses on the safety of household and similar electrical appliances. This article will provide an overview of EN 60335-2-79:2020 and its significance in the field of electrical engineering and power systems.

What is EN 60335-2-79:2020?

EN 60335-2-79:2020 is a technical standard that specifies the safety requirements for electrical household and similar appliances. It is part of the IEC 60335 series and is focused on ensuring the safety of users and reducing the risk of accidents. The standard sets out criteria and specifications for the design, manufacturing, and testing of electrical appliances to minimize the risk of electric shock, fire, and other accidents.

EN 60335-2-79:2020 covers a wide range of appliances, including but not limited to:

Product categories and scope

The standard applies to electrical household and similar appliances, which are defined as "appliances capable of being used by laypeople and professionals in environments such as households, commercial areas, and light industry." The scope includes:

* Power tools

* Hand tools

* Agricultural machinery

* Moving machinery

* Tractors

* Boilers

* Heaters

* Air conditioners

* Refrigerators

* Dishwashers

* Washers and dryers

* Electric and gas ranges

* Ovens

* Microwaves

* Refrigerator ovens

* Dishwashers

* Washers and dryers

* Cordializers

* Surge protectors

* Fuses

* Circuit breakers

* Ground-fault circuit interrupters (GFCIs)

Performance requirements and test procedures

The standard specifies performance requirements and test procedures for protective relays used in electrical power systems. The primary purpose is to ensure the proper functioning and accuracy of these relays under different operating conditions and system faults. The performance requirements and test procedures are based on IEC 60644-14, which is a standard for electrical protection relays.

Safety requirements

The safety requirements outlined in EN 60335-2-79:2020 are designed to minimize the risk of electrical accidents and injuries. The standard sets out criteria and specifications for the design, manufacturing, and testing of electrical appliances to ensure the safety of users and reduce the risk of accidents. The safety requirements include:

* The appliance should not cause electric shock, fire, or other serious injuries.

* The appliance should not have any part that is accessible to the user when the appliance is in use.

* The appliance should not be capable of causing damage to the user's body or property.

* The appliance should not have any part that is in contact with water or other conductive liquids.

* The appliance should not be capable of causing damage to the power system or other electrical equipment.

Conclusion

EN 60335-2-79:2020 is a technical standard that specifies the safety requirements for electrical household and similar appliances. The standard is designed to ensure the safety of users and reduce the risk of accidents. By following this standard, manufacturers can design appliances that meet certain performance criteria, making them reliable and effective in protecting power systems from various abnormalities. Engineers and technicians can use EN 60335-2-79:2020 as a reference for testing and assessing the performance of relays in real-world applications.