Square D Masterpact NW20H1 EO DO

The Masterpact NW20H1 EO DO is a high-performance air circuit breaker (ACB) designed for critical low-voltage power distribution systems requiring superior protection, reliability, and operational flexibility. Manufactured under the Square D / Schneider Electric Masterpact NW platform, this breaker features a 2000A frame size with H1 high-breaking-capacity performance, making it suitable for demanding industrial, commercial, and infrastructure applications.

This configuration includes EO (Electrically Operated) functionality for remote closing and opening, along with DO (Drawout) construction, allowing the breaker to be safely racked in and out of its cradle for maintenance without disconnecting power cables. The drawout design significantly reduces downtime and enhances operator safety during servicing or system upgrades.

The Masterpact NW series is engineered with advanced protection capabilities when paired with Micrologic trip units, providing precise control over overload, short-circuit, and ground-fault protection. Integrated metering, diagnostics, and communication options allow seamless integration into modern energy management and automation systems, supporting predictive maintenance and improved operational efficiency.

Built for durability, the Square D Masterpact NW20H1 incorporates robust mechanical endurance, high electrical performance, and compliance with international standards, making it ideal for use in:

Industrial plants and manufacturing facilities
Data centers and mission-critical infrastructure
Commercial buildings and utilities
Marine and offshore power systems
Large distribution switchboards and motor control centers

Its modular construction enables easy accessory installation, field upgrades, and customization to meet evolving system requirements.

Square D Masterpact NW20H1 EO DO 2000A 600VAC Circuit Breaker, Micrologic trip unit (e.g., 5.0, 6.0, or 7.0), 3-pole configuration, Electrically operated (EO), Drawout mechanism (DO), Line and load terminal connectors, Racking mechanism, Control wiring and terminal blocks, Mounting hardware, Calibration or test certificate (if applicable), User manual and installation guide, Safety and compliance documentation, Manufacturer warranty card, Original Square D packaging