Blog

Learn the AFDD function, how arc-fault detection devices reduce fire risk, and how to specify IEC 62606 protection for commercial circuits.

Learn how AC surge protective devices, SPD coordination, grounding and IEC 61643-11 selection protect HVAC controls and facility electrical systems from storm transients.

DC MCCB basic guide for solar, storage and OEM projects: arc interruption, polarity, ratings, IEC 60947-2, UL 489 and procurement checks.

A practical guide to circuit breaker functions, MCB, MCCB, RCCB and RCBO types, IEC scopes, ratings and procurement checks for low-voltage projects.

Understand B, C and D MCB trip curves, IEC test bands, TCC reading and practical selection for motors, distribution and sensitive loads.

Learn what the RCD function does, how residual-current protection works, and how engineers can select RCCB or RCBO protection to IEC requirements.