Square D NC50S - Circuit Breaker | AmpState

The Square D NC50S molded case circuit breaker delivers dependable branch circuit overcurrent and short-circuit protection for panelboards and loadcenters. Built with a compact design and a thermal-magnetic trip unit, it provides precise, repeatable protection while saving valuable panel space. This isn’t just a breaker—it’s peace of mind for your electrical system in residential, commercial, and light industrial settings.

Why the NC50S stands out

• Compact molded case design maximizes usable space inside your panel, making room for additional circuits without expanding the enclosure.
• Thermal-magnetic trip unit combines a temperature-sensitive element with a magnetic trip, delivering stable protection across temperature changes and delivering a fast response to high fault currents.
• OEM panel compatibility engineered to integrate smoothly with matching Square D loadcenters and panelboards, simplifying installation and future upgrades.
• Versatility across sectors suitable for residential service panels, small commercial installations, and light industrial circuits where reliable protection is essential.

With the NC50S, you’re choosing a tested, dependable breaker that maintains consistent protection characteristics in real-world conditions. Its design supports clean, organized panel layouts and reduces the risk of nuisance trips, so electrical equipment and lighting stay protected without interruption.

What problems it solves

Overcurrent and short-circuit events can damage wiring, outlets, and devices. The NC50S detects and clears faults quickly, helping prevent equipment damage and fire hazards while keeping your overall electrical system compliant with standard panelboard configurations.

Ideal uses and scenarios

• Retrofit or upgrade projects that require a compatible Square D solution within existing loadcenters.
• Residential panels protecting lighting circuits, receptacle banks, small HVAC or appliance feeders.
• Commercial panels for branch circuits in offices, retail spaces, or service areas where reliable protection is critical.
• Light industrial panels safeguarding control circuits or small motor loads with predictable trip behavior.

Technical snapshot

• Manufacturer: Square D
• Part Number: NC50S
• Type: Thermal-magnetic molded case circuit breaker
• Application: Branch circuit overcurrent and short-circuit protection

Choosing the Square D NC50S means selecting a purpose-built protector that aligns with Square D panelboards and loadcenters, delivers stable trip performance, and helps you maintain organization and reliability across your electrical system. Ready for residential or light commercial applications, it’s the practical, no-nonsense solution for safeguarding circuits and extending equipment life.