Schweitzer Engineering Laboratories, Inc. (SEL) has announced the immediate availability of arc-flash detection capability in the SEL-751A Feeder Protection Relay, Schweitzer Engineering Laboratories, ...

In the electrical industry, particularly within data center environments, arc flash studies have long been associated with one primary goal: safety. For years, facility owners and managers have ...

In the not-so-distant past, electrical workers routinely racked out breakers in the normal course of their jobs. They did this with little concern or knowledge of the hazards to which they were ...

The comparison figure between no arc-fault state and arc-fault state under various type of loads, ranging from 30 W–60 W. An arc fault is an electrical discharge between two conductors due to poor ...

An arc flash is a sudden discharge of energy, connecting a component with the ground or another voltage phase in the same system through the air. This discharge can result from loose connections, ...

Switchgear comprises electrical disconnect switches, fuses and/or circuit breakers that control, protect and isolate electrical equipment in electrical power systems. A switchgear fault (phase loss, ...

OSHA has issued its first update on arc-flash hazard guidance in nearly 20 years, a move expected to enhance safety for over 600,000 workers exposed to arc-flash risks. According to a recent release, ...

A quick response to arc faults is essential. However, a lot of available protection equipment is prone to registering accidental trips rather than faults, as well as responding too slowly or ...

Every day, an estimated five to 10 arc flash incidents occur and more than 2,000 people are hospitalized each year, according to The National Fire Protection Association (NFPA). With arc flash and ...

What distinguishes a medium voltage circuit breaker from other types is not the enclosure or operating mechanism, but the method of arc extinction. The interruption medium governs arc energy, ...