Schneider Masterpact NW40 Air Circuit Breaker

Feature & Principle

It is a classic low-voltage air circuit breaker of Masterpact NW series. Equipped with MicroLogic electronic trip unit, it supports LSIG multi-section protection, power measurement, fault recording and industrial communication. Optional fixed or draw-out structure, draw-out type can realize safe isolation and hot replacement. It can connect to EcoStruxure energy management system for remote monitoring, widely used for incoming cabinet, bus coupler and heavy feeder protection.

Specifications

Model: NW40 Brand: Schneider Electric Series: Masterpact NW Frame rated current: 4000 A Pole: 3P / 4P Rated operational voltage: 690 V AC Trip unit: MicroLogic Structure: Fixed / Withdrawable Communication: Modbus, Ethernet Standard: IEC 60947-2 Application: Industrial main switchboard, data center, power plant Certification: CE, UL

Components & Diagnostics

Main contact assembly, arc extinguishing chamber, MicroLogic trip module, spring charging motor, auxiliary switch, communication module. Common faults: spring charging failure, false tripping, communication offline, contact overheating, trip unit abnormality.

Product Brief

NW40 air circuit breaker, Schneider power distribution spare widely used for factory incoming cabinet, data center and low voltage power distribution system overhaul and replacement.