Schneider Electric / Merlin Gerin NSJ400N – 400A 3 Pole Molded Case Circuit Breaker Top Pick

Engineered for heavy-duty applications, this 3-pole, 400A electronic trip MCCB from Schneider Electric ensures maximum system reliability. It is designed for demanding commercial and industrial environments. The unit-mount configuration fits into Square D switchboards and motor control centers. For facility upgrades, note that this frame is replaced by the LGL36400U31X series.