The Schneider Electric MasterPacT series consists of low-voltage air circuit breakers (ACBs) designed to protect electrical systems from overloads and short circuits. This series includes the legacy and the modern MasterPacT MTZ range. 1. Essential Manual Operations

Detailed instructions on operation, racking, and locking for the NW range. MasterPacT NW User Manual

: If the breaker trips due to an electrical fault, the reset button on the front panel must be pressed before the breaker can be re-closed. 2. Maintenance and Care