05/08/2026
Circuit Protection Devices
Great Insights for Every Electrician
Suggested devices to include:
🔹Fuse
🔹 MCB (Miniature Circuit Breaker)
🔹 MCCB (Molded Case Circuit Breaker)
🔹 RCCB / RCD
🔹 RCBO
🔹 ELCB
🔹 SPD (Surge Protection Device)
🔹 ACB (Air Circuit Breaker)
🔹 VCB (Vacuum Circuit Breaker)
🔹 OCB (Oil Circuit Breaker)
🔹 SF₆ Circuit Breaker
🔹 Thermal Overload Relay
🔹 Motor Protection Circuit Breaker (MPCB)
🔹 HRC Fuse
🔹 Isolator / Disconnect Switch