Circuit Breaker Arcing

Circuit breakers are switches designed to open and close circuits. They may be operated manually or automatically through … Read More

Two Wire Control

Two Wire Control The stop and start push-button switches, in motor and other control circuits, are convenient ways … Read More

Contactors and Relays

A relay is simply an electromagnetically operated switch. A contactor is also an electromagnetically operated switch that controls … Read More

TRIAC Basics

This article covers Triac Construction, Operation, Characteristics, Testing, and Applications along with the relevant circuit and block diagrams. … Read More

Silicon-Controlled Rectifier (SCR)

This article covers Silicon-Controlled Rectifier (SCR) construction, Operation, Commutation, Characteristics, Gate Requirements, Testing, and Applications along with the … Read More