@musstech_solar_energy: Wrong breaker size is one of the most common causes of solar system fires. Here is the exact calculation for sizing a DC breaker for a 3,000W array on 48V. Save this post before your next installation. Comment your array size and voltage and I will size your breaker. Link in bio for Wire It Right.#solar #dcbreaker #solarnigeria #solareducation #musstech_solar_energy