Square D NC44S - Circuit Breaker | AmpState

Square D NC44S molded case circuit breaker sits at the heart of reliable electrical protection in panelboards and loadcenters. Built for branch circuit overcurrent and short-circuit protection, this unit delivers consistent performance where it matters most.

• Compact molded case design: Maximizes panel space, allowing you to fit more circuits without crowding the enclosure.
• Thermal-magnetic trip unit: Delivers stable, repeatable protection by reacting precisely to both overloads and short circuits.
• OEM-compatible: Engineered to work with matching Square D OEM loadcenters and panelboards for a seamless, factory-fitted protection solution.
• Versatile application: Suitable for residential, commercial, and light industrial electrical layouts, providing reliable protection across a range of feeders and circuits.

Why this matters

In spaces where panel real estate matters, the NC44S offers a practical, space-conscious solution without compromising safety. The thermal-magnetic trip mechanism reduces nuisance trips and ensures dependable performance in everyday operation and fault conditions alike.

Technical snapshot

Manufacturer: Square D

Part Number: NC44S

Type: Thermal-magnetic molded case circuit breaker

Application: Branch circuit overcurrent and short-circuit protection

Designed for easy integration in standard panel installations, the NC44S is a dependable choice for safeguarding circuits in both new builds and upgrades. If you’re upgrading a panel or refreshing a loadcenter, this unit provides the protection you need with a compact footprint and proven Square D reliability.