How to Choose the Right Surge Protection Device: Type 1 vs Type 2 vs Type 3 SPD
In the power-oriented world that we all live in today, an instant voltage spike can destroy costly electrical equipment or disrupt a complete renewable system. This is why "optional" doesn't mean "luxury," but rather "necessity": a surge protection device (SPD). Whether it is residential panels or utility-scale solar farms, SPDs protect systems from lightning strikes, switching surges and transient overvoltages. But choosing the right one is essential. There are several types: Type 1, Type 2, and Type 3. In this blog, we will explore surge protection devices and how they fit your setup best. Let's start. 1. Understanding what a surge protection device (SPD) does A surge protection device (SPD) is like your electrical system's personal bodyguard. It senses and redirects sudden voltage spikes (surges) that can result from a lightning strike, power switching, or bad wiring — preventing such incidents from frying delicate equipme...