Products and systems that provide protection, control and measurement for electrical installations, enclosures, switchboards, electronics and electromechanical devices for industrial machines, plants and related service. The offering also includes intelligent building control systems, also known as KNX systems, for home and building automation to improve comfort, energy efficiency and security. | Low Voltage Products Masterpact NW08-63 IEC User manual a brand of Schneider Electric Merlin Gerin User manual for circuit breakers Masterpact NW08-63 IEC Discovering Masterpact 2 Using Masterpact 8 Understanding the controls and indications 8 Charging the circuit breaker 9 Closing the circuit breaker 10 Opening the circuit breaker 11 Resetting after a fault trip 12 Locking the controls 13 Using the Masterpact drawout chassis 16 Identifying the circuit breaker positions 16 Racking 17 Matching a Masterpact circuit breaker with its chassis 19 Locking the switchboard door 20 Locking the circuit breaker in position 21 Locking the safety shutters 24 Identifying the electrical auxiliaries 26 Identification of the connection terminals 26 Electrical diagrams 27 Operation 29 Discovering Masterpact s accessories 30 Micrologic control units 30 Indication contacts 31 Auxiliaries for remote operation 33 Device mechanical accessories 35 Chassis mechanical accessories 37 Inspecting and testing before use 40 Initial test 40 What to do when the circuit breaker trips 41 Maintaining Masterpact performance 42 Recommended maintenance program 42 Maintenance operations 43 Ordering replacement parts 45 Troubleshooting and solutions 46 Checking Masterpact operating conditions 48 1 Masterpact NW08-63 IEC Schneider .