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What is UL 61058-2-19:2020?

UL 61058-2-19:2020 is an international standard that provides guidelines and requirements for the safety and performance of switches for appliances. This comprehensive document covers various aspects of switch design, construction, testing, ratings, and markings in order to ensure safe and reliable operation.

Scope of UL 61058-2-19:2020

The scope of this standard covers both manually operated and automatically operated switches used in household and similar electrical appliances. It applies to switches rated up to 480 V AC at a frequency not exceeding 100 Hz or 150 V DC, with a rated current not exceeding 125 A. These switches are commonly found in appliances such as ovens, refrigerators, washing machines, and power tools.

Key Requirements of UL 61058-2-19:2020

UL 61058-2-19:2020 outlines several important requirements that manufacturers must comply with in order to meet the safety and performance objectives. One of the key requirements is the ability of the switch to break the load current without causing excessive arcing or damage to contacts. The standard also specifies tests to evaluate the endurance, resistance to heat, and resistance to mechanical stress of the switch.

Another significant requirement is proper insulation to prevent electric shock hazards. Switches must have adequate creepage distances and clearance between live parts to avoid any accidental contact by users. In addition, UL 61058-2-19:2020 emphasizes the importance of clear and durable marking on switches to provide users with essential information regarding electrical ratings and operational instructions.

Compliance and Certification

Manufacturers intending to market their switches as compliant with UL 61058-2-19:2020 must undergo rigorous testing and evaluation performed by recognized certification bodies. The evaluation includes a thorough examination of switch design, materials, and construction to verify compliance with the standard's requirements. Upon successful completion, a certification mark is issued, indicating that the switches meet the necessary safety and performance criteria.

End-users are encouraged to look for these certification marks when purchasing appliances or replacement switches to ensure that they are safe to use and comply with the industry standards. It is also essential for manufacturers to regularly test their products and maintain compliance throughout the production process to maintain the trust of consumers.


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