What is UL 60947-4-3:2020?

UL 60947-4-3:2020 is a professional technical standard that sets the requirements for low-voltage switchgear and controlgear in specific applications. It is a part of the International Electrotechnical Commission (IEC) 60947 series, which covers various aspects of electrical switching devices.

Scope and Purpose

The purpose of UL 60947-4-3:2020 is to establish uniform requirements for low-voltage switchgear intended to be used in seawater environments, such as on ships or offshore installations. The standard aims to ensure the safety, reliability, and performance of these electrical devices in such demanding conditions.

Key Requirements

UL 60947-4-3:2020 specifies several key requirements that switchgear and controlgear equipment must meet to be considered compliant. These include mechanical durability, resistance to corrosion and water ingress, temperature resistance, electrical performance, as well as protection against electric shock and short circuits.

Benefits and Application

Adhering to UL 60947-4-3:2020 offers several benefits to manufacturers and users of switchgear and controlgear equipment for seawater environments. By ensuring compliance with this standard, manufacturers can guarantee the quality and reliability of their products, instilling confidence in customers. For users, it provides assurance that the equipment has been tested and approved for use in harsh conditions, minimizing the risk of failures or accidents.