Square D | NC361000 | Circuit Breaker | 1000A | 3-Pole | 600V

Square D NC361000 is a rugged, high-current circuit protector designed for demanding 3-phase power systems. Built for maintenance, retrofit, and replacement projects, this 1000A, 3-pole breaker helps you keep critical equipment online with reliable, predictable protection. Key specifications - Amperage: 1000 A - Poles: 3-Pole (three-phase) - Voltage rating: 600 V - Part number: NC361000 - Manufacturer: Square D (Schneider Electric) Why this model stands out - precise compatibility you can trust: matching the NC361000 part number is the most reliable reference for panel and bus compatibility, reducing the guesswork during replacements or retrofits - purpose-built for space-constrained or high-demand panels: three-pole configuration delivers balanced protection across all three phases in a single device - ideal for upgrading or maintaining heavy-duty electrical systems: perfect for commercial facilities, industrial equipment rooms, and distribution panels that operate at 600 V Fit, use, and practical considerations - Confirm fit and ratings before ordering to ensure seamless installation within existing Square D panels and disconnects - Designed for systems that require robust 3-phase protection at a 600 V maximum, making it suitable for a range of industrial and commercial applications - When replacing an older breaker, reference the NC361000 part number to verify compatibility with your panel model and existing wiring arrangement Ideal use scenarios - Retrofit projects in manufacturing floors where heavy machinery and conveyors demand reliable 3-phase protection - Maintenance replacements in commercial power distribution rooms to minimize downtime and ensure consistent protection - New installations in systems that operate at 600 V and require a single, high-current protection device across all three phases Practical tips for installers - Double-check the panelboard labeling to confirm that a 3-pole, 600 V device aligns with the system’s design and safety requirements - Maintain proper torque and secure mounting as per standard electrical practice to ensure reliable contact and protection - Keep the original part number handy during procurement and future service visits to simplify diagnostics and reorder processes With the NC361000, you get a purpose-built, high-current 3-pole circuit breaker from Square D that supports demanding industrial and commercial power systems. Its clear focus on compatibility, reliability, and real-world use makes it a practical, confidence-inspiring choice for upgrades, replacements, and ongoing maintenance.