Master Air Circuit Breakers (ACB) & Circuit Development for LV Panels

What is an ACB and where it’s used in LV power systems

Working principle of ACB

ACB's Arc quenching techniques & Fault breaking capacity.

ACB frame sizes, ratings, types & internal construction

Understanding technical datasheets of ACBs

Operation of ACBs – manual vs Electrical

Closing mechanism of manual & electrical ACB’s

Releases of ACB’s

Overview of communication modules and control functions

Block representation of ACB signaling & interlocking

How to design simple ACB control & feedback circuits

Introduction to Air Circuit Breakers & Their Role in LV Panels

ACB Electrical Specifications – Frame Size, Ratings, Standards

Construction of ACBs – Poles, Contacts, Arc Chambers, Mechanism

Types of ACBs – Fixed, Draw-out, Motorized

Technical Datasheets – Interpreting Electrical Parameters

Releases of ACB - Shunt Release, Undervoltage Release, Thermal Magnetic or Electronic type Releases

Control & Signaling Circuit Blocks in ACBs

Developing ACB Logic Circuits – Closing, Tripping, Indication

Electrical Engineers (B.Tech/Diploma)

Panel Design Engineers and Draftsmen

Panel Testing & QA Technicians

Panel Procurement & Estimation Teams

Electricians and Switchboard Technicians

SCADA / PLC Programmers working with ACB integration

Students entering the switchgear or LV panel industry

Panel shop owners and team leads

Industry-relevant examples with simplified explanation

Covers both practical and theoretical aspects

Enables you to read datasheets, interpret logic blocks, and develop circuits

Great foundation for protection, SCADA, and automation fields

Designed by experts with hands-on project and commissioning experience

Lifetime access to easy-to-understand video content

Downloadable datasheet examples & circuit block diagrams

Step-by-step guide to designing control logic for ACBs

Bonus: Control wiring samples and interlocking overview

Certificate of Completion