Magnetic Starters (A8009)

Get an understanding on how to operate the control circuits and components of a Magnetic Starter.

Prerequisites

This lesson is designed for participants familiar with AC and DC theory, electrical safety, electrical print reading, electrical connections, and the proper use of electrical test instruments. An understanding of the operation of control circuits and components, such as switches, relays, fuses, and circuit breakers is recommended.

Description

This lesson explains the parts of a magnetic motor starter and its operation. This lesson discusses the correct procedures for troubleshooting a magnetic motor starter. Participants will learn the proper way to determine the malfunction by use of schematic diagrams, manufacturer??s literature, continuity checks, and voltage and resistance tests. This lesson also defines and demonstrates reversing magnetic motor starters.

Objectives

Explain the parts of a magnetic motor starter and its operation, including describing an electromagnet and explaining how the contactor works. Identifying troubleshooting steps and performing sensory inspections. Performing a test on the armature. Executing the disassembly of the motor starter. Explaining what an interlock is used for and how mechanical and electrical interlocks work.