Protection and Selectivity Course
This course equips participants with essential skills for designing and verifying protective systems in small commercial electrical installations, ensuring safety, compliance, and reliability through practical analysis and coordination techniques.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
The Protection and Selectivity Course provides practical skills to analyse short-circuit levels, select appropriate breaking capacities, and create clear one-line diagrams for small commercial installations. Learn to choose and coordinate MCCBs, MCBs, RCDs, and RCBOs, apply suitable trip curves, design an effective RCD strategy, and verify coordination on-site with essential tests, labelling, and documentation for reliable, compliant systems.
Elevify advantages
Develop skills
- Short-circuit calculation: estimate fault currents and choose safe breaking capacity.
- One-line diagrams: draw, read and optimise small commercial power distributions.
- Protective device selection: match MCCB, MCB, RCD, RCBO and fuses to real loads.
- Selectivity tuning: set TCCs to avoid nuisance trips and protect critical circuits.
- RCD strategy: place, rate and coordinate RCDs/RCBOs for people and equipment.
Suggested summary
Before starting, you can change the chapters and workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
As suas aulas são perfeitas. Adquiri o pacote de um ano e, finalmente, tenho a oportunidade de acompanhar diversos temas do meu interesse sem precisar mudar de plataforma... agradeço por tudo o que fazem, já recomendei vocês a outras pessoas...

Giulio CarloAluno de Marketing Digital
Eu gosto de como as lições são direto ao ponto e como eu consigo alterar capítulos e pular conteúdos que não preciso.

Mariana FerresAluna de Fotografia
Gosto do conteúdo e do modo de apresentação e transcrição de vídeos, o que acelera o processo!

Luciana AlvarengaAluna de Design de Unhas
A plataforma é rápida, simples de usar. A diversidade de conteúdo e os vídeos complementares ajudam muito no aprendizado.

Giulio CarloAluno de Engenharia de Prompt
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