What is UL 60335-2-51?

UL 60335-2-51 is a safety standard that relates to the construction and performance of electric household appliances. It sets out specific requirements and tests to ensure the safe operation of these appliances. This standard is part of a larger series of standards known as the IEC 60335 series, which are developed by the International Electrotechnical Commission (IEC) and adopted by various national testing laboratories around the world.

Scope and Coverage

The UL 60335-2-51 standard focuses specifically on the safety aspects of electric appliances used for cleaning surfaces with liquids or steam. This includes appliances such as vacuum cleaners, carpet cleaners, steam cleaners, and similar devices. The standard covers both corded and cordless appliances, and includes requirements for their electrical, mechanical, and thermal safety.

Key Requirements and Tests

UL 60335-2-51 sets out several key requirements and tests that appliances must meet in order to be considered safe. These include insulation resistance tests, leakage current tests, and protection against electric shock. The standard also covers requirements for temperature rise, mechanical strength, and endurance of switches and other controls.

Furthermore, the standard addresses potential hazards associated with the use of these appliances, such as risks of fire, chemical exposure, and improper disposal of waste materials. It requires manufacturers to provide clear instructions, warning labels, and information about proper use and maintenance of the appliances.

Certification and Compliance

Manufacturers who wish to sell their electric household appliances internationally often seek certification from recognized third-party testing laboratories. These laboratories assess whether the appliances meet the requirements outlined in UL 60335-2-51 and other applicable standards. Once a product is deemed compliant, it can be labeled with the appropriate certification mark, indicating that it has been tested and meets the safety standards.

Compliance with UL 60335-2-51 is not only important for manufacturers but also for consumers who rely on these appliances in their everyday lives. By purchasing products that meet the standard, consumers can have confidence that the appliances have been tested and determined to operate safely.

In conclusion

UL 60335-2-51 is a crucial safety standard that ensures the safe operation of electric household appliances used for cleaning surfaces with liquids or steam. By defining specific requirements and tests, the standard helps protect both manufacturers and consumers, making sure that these appliances are reliable and pose minimal risk of hazards such as electric shock, fire, or improper use. Compliance with this standard is an essential step for manufacturers seeking to sell their products globally and for consumers who prioritize safety in their household appliances.