Blogs

A TT earthing system (Terre-Terre) has the source neutral earthed at the transformer, while the consumer installs their own independent […]

Learn what a TN-S earthing system is, how it differs from TN-C-S and TT, and how to configure your SPD correctly for TN-S installations.

Step-by-step SPD wiring diagrams for single-phase, 3-phase, and solar. Covers Type 1, Type 2, DC, and IEC installation requirements.

SPD stands for Surge Protective Device. Learn how it protects electrical systems, the 3 IEC-defined types, and key selection parameters.

Type 1, Type 2, and Type 3 SPDs differ by location and surge waveform. Learn which type your project needs and when a Type 1+2 is the right choice.

Learn what a gas discharge tube is, how it works, and how GDTs are used in SPDs. Covers 2-electrode vs 3-electrode types and GDT vs MOV comparison.

Learn what the TN-C-S earthing system is, how it differs from TN-S and TT, and how to configure your SPD correctly for PME installations.

Learn how to select the right surge protection device for solar panel systems — AC/DC placement, Type 1 vs Type 2, key IEC parameters explained.