What is UL 60947-75-2020 ?

Title: What is UL 60947-8-2020 and Why is it Important?

UL 60947-8-2020 is a professional technical standard published by Underwriters Laboratories (UL) that sets the guidelines for low-voltage switchgear and controlgear products. This standard specifies the general requirements and tests needed to ensure the safety, reliability, and performance of these electrical devices. In this article, we will discuss the purpose of UL 60947-8-2020 and its key features and requirements.

Purpose of UL 60947-8-2020:

UL 60947-8-2020 is primarily designed to establish guidelines for manufacturers, installers, and users of low-voltage switchgear and control gear products. The primary objective of this standard is to ensure that these products meet specific safety standards, minimizing the risks to both people and property. Compliance with this standard guarantees that the products are designed and manufactured to withstand electrical, mechanical, thermal, and other stresses.

Key Features and Requirements of UL 60947-8-2020:

UL 60947-8-2020 provides a comprehensive set of requirements for low-voltage switchgear and control gear products. These requirements are divided into two categories: essential requirements and optional requirements. Essential requirements are the minimum requirements that must be met to ensure the safety, reliability, and performance of the product. Optional requirements are additional requirements that can be met to improve the product's performance or safety.

Essential Requirements:

The essential requirements of UL 60947-8-2020 are designed to ensure the safety, reliability, and performance of low-voltage switchgear and control gear products. These requirements include:

Electrical Safety: The product must be designed to prevent electrical shock, fire, or other electrical hazards.

Performance: The product must be capable of meeting the requirements of the electrical code or standard.

Safety Enclosure: The product must be designed to prevent electrical hazards, such as electrical fires or arcs.

Overvoltage Protection: The product must be designed to prevent damage due to overvoltage.

Overcurrent Protection: The product must be designed to prevent damage due to overcurrent.

Short Circuit Protection: The product must be designed to prevent damage due to short circuits.

Ground Faults: The product must be designed to prevent electrical hazards caused by ground faults.

Optional Requirements:

The optional requirements of UL 60947-8-2020 are designed to improve the performance or safety of low-voltage switchgear and control gear products. These requirements include:

Environmental Durability: The product must be designed to withstand the environmental conditions in which it will be used, including temperature, humidity, and vibration.

Electrical Stability: The product must be designed to maintain its electrical stability under various operating conditions.

Overvoltage Insulation: The product must be designed to prevent damage due to overvoltage, even if the insulation is not rated for the voltage level.

Overcurrent Protection: The product must be designed to prevent damage due to overcurrent, even if the protection is not rated for the current level.

Ground Faults: The product must be designed to prevent electrical hazards caused by ground faults.

Conclusion:

UL 60947-8-2020 is an important international standard that provides guidelines for manufacturers, installers, and users of low-voltage switchgear and control gear products. By ensuring that these products meet specific safety standards, manufacturers can minimize the risks to people and property, while still ensuring the reliability and performance of the products. Compliance with UL 60947-8-2020 is mandatory for all products that are designed and manufactured to meet the requirements of this standard.