Schneider Masterpact NW25 H10 ACB Air Circuit Breaker

Feature & Principle

It belongs to Schneider Masterpact NW series high-capacity air circuit breaker, adopt withdrawable drawer structure. It can be equipped with MicroLogic electronic trip unit to realize multi-section protection, power metering and fault recording. It supports upper and lower incoming line, with mechanical interlock safety design. Optional motor charging mechanism, auxiliary contact, communication module for SCADA remote monitoring. This model has been discontinued, mainly used as maintenance spare for old distribution system.

Specifications

Model: Masterpact NW25 H10 Brand: Schneider Series: Masterpact NW Rated current In: 2500A Rated operational voltage Ue: 1150V AC Ultimate breaking capacity Icu: 50kA Pole: 3P / 4P optional Structure: Drawout type Trip unit: MicroLogic 2.0 / 5.0 / 7.0 optional Application: Power plant, petrochemical, data center, factory main incoming cabinet, bus coupler Certification: CE, IEC

Components & Diagnostics

Main contact assembly, arc extinguishing chamber, MicroLogic trip unit, stored energy operating mechanism, closing coil, auxiliary switch, current transformer. Common faults: contact ablation, energy storage stuck, trip unit misoperation, communication loss, coil burnout.

Product Brief

Masterpact NW25 H10 air circuit breaker, Schneider Masterpact NW low voltage main distribution spare widely used for industrial power cabinet overhaul and replacement.