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Welcome

Welcome to Module 27, which is about the Medium Voltage Switchgear Assembly.

Figure 1. Typical Medium Voltage Switchgear Assemblies
MASTERCLAD Medium Voltage Metal-Clad Switchgear with Type VR Vacuum Circuit BreakersMASTERCLAD Medium Voltage Arc Resistant Metal-Clad SwitchgearHVL/cc 5-17.5 kV Metal Enclosed SwitchgearHVL Medium Voltage Switchgear from Square D.MiniBreak Load Interrupter SwitchMotorpact Medium Voltage Motor Controllers

We recommend that you complete Module 5, Fundamentals of Circuit Breakers; and Module 6, Medium Voltage Power Circuit Breakers, before beginning this module.

Like the other modules in this series, this one presents small, manageable sections of new material followed by a series of questions about that material. Study the material carefully, then answer the questions without referring back to what you’ve just read.

You are the best judge of how well you grasp the material. Review the material as often as you think necessary. The most important thing is establishing a solid foundation to build on as you move from topic to topic and module to module.

A Note on Font Styles

Key points are in bold.

Glossary items are italicized and underlined the first time they appear.

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