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“RCCB Working Principle Explained Step-by-Step”

Welcome to Technical Guru! ⚡
In this video, we’ll explain RCCB (Residual Current Circuit Breaker) — what it is, how it works, and why it’s one of the most important safety devices in any electrical system.

We’ll go through the RCCB working principle step-by-step with clear visuals and animation:
✅ How RCCB detects current leakage
✅ What happens inside the toroidal core
✅ Why it trips instantly during a fault
✅ How to test RCCB using the “TEST” button
✅ RCCB types, ratings, and safety tips

Whether you’re an engineering student, electrician, or electrical enthusiast, this video will help you understand how RCCB saves lives by preventing electric shocks and fires.

🧰 Devices Mentioned:

RCCB (Residual Current Circuit Breaker)

MCB (Miniature Circuit Breaker)

RCBO (Residual Current Breaker with Overload Protection)

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