NPCL supplies a wide range of Manual / Automatic change over switch along with bypass systems. These change overs are designed to give an ease of operations, along with long service life and in most of the cases, a manual bypass is Integral part of the changeover, higher power rating changeover has lapping delayed break contacts for neutral to ensure low voltage distortions during the source change overs. We supply multiple genset synchronizing systems also and more details can be obtained by downloading the full catalogue.