Schneider Electric Masterpact NW50H1

The Schneider Electric Masterpact NW50H1 is a premium‑grade low‑voltage air circuit breaker engineered to deliver high‑capacity protection, precision fault interruption, and robust performance for demanding industrial, commercial, and utility electrical distribution systems. As part of the acclaimed Masterpact family from Schneider Electric, this breaker blends advanced electronic trip technology with rugged mechanical design, ensuring safety, continuity, and efficiency in mission‑critical power environments.

Rated for very high current and interrupting capacity, the Masterpact NW50H1 is ideally suited for main feeder circuits and critical electrical infrastructure in large switchgear assemblies, data centers, industrial plants, infrastructure projects, and high‑rise commercial complexes. Its superior fault‑clearing capability enables rapid and effective interruption of overloads, short circuits, and ground faults, helping protect downstream equipment and maintain system stability even under severe electrical stresses.

The breaker incorporates an advanced electronic trip unit that offers configurable protection functions including long‑time, short‑time, instantaneous, and optional ground‑fault elements. These adjustable settings allow electrical engineers to fine‑tune protection coordination with upstream and downstream devices, improving selectivity, minimizing nuisance trips, and enhancing overall electrical system safety and performance.

Designed for rugged reliability, the Masterpact NW50H1 features a durable contact system, high‑performance arc‑interruption technology, and a dependable operating mechanism that supports frequent switching cycles and prolonged service life. Its modular, accessible architecture simplifies installation, inspection, routine maintenance, and future upgrades, helping reduce lifecycle costs and minimize system downtime.

Optional accessories such as auxiliary contacts, shunt trips, undervoltage releases, and communication modules further enhance the breaker’s functionality, enabling seamless integration with advanced power monitoring, automation, and remote diagnostics systems. This versatility makes the Masterpact NW50H1 suitable for modern intelligent power distribution networks and energy management applications.

Engineered to meet stringent international safety and performance standards, the Schneider Electric Masterpact NW50H1 offers a balanced combination of protection intelligence, mechanical durability, and flexible configuration — making it a trusted solution for high‑capacity low‑voltage power distribution systems where reliability, safety, and uptime are paramount.

Schneider Electric Masterpact NW50H1 5000A Air Circuit Breaker, Pre-installed Micrologic trip unit, Terminal connectors and lugs, Control wiring harness, Mounting hardware (if included), Racking mechanism or cradle (if applicable), User manual and installation guide, Calibration or test certificate (if provided), Safety and compliance documentation, Manufacturer warranty card, Original Schneider Electric packaging