MCB types based on Number of poles

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Types of MCBs used (Poles) SP – Single Pole In Single Pole MCB, switching & protection is affected in only one phase. Application: Single Phase Supply to break the Phase only. SPN – Single Pole and Neutral In Two Pole MCB, switching & protection is affected in phases and the neutral. Application: Single Phase Supply to break the Phase and Neutral. DP – Double pole In Two Pole MCB, switching & protection is affected in phases and the neutral. Application: Single Phase Supply to break the Phase and Neutral. TP – Triple Pole In Three Pole MCB, switching & protection is affected in […]