Square D HGL36100U44X - 100 A, 3-Pole Circuit Breaker | AmpState

The Square D HGL36100U44X is a 100-amp, 3-pole molded case circuit breaker designed to safeguard your panelboard or load center from overloads and short circuits. Built for reliable branch circuit protection, it blends a compact footprint with a proven thermal-magnetic trip system to deliver stable, repeatable performance across a range of conditions. Why this breaker stands out - Space-efficient design: The molded case format is engineered to maximize usable panel space, making it easier to fit in both compact and larger panel installations without compromising protection. - Precise thermal-magnetic protection: The integrated trip unit responds to overloads and short circuits with consistent, predictable trips, helping prevent unnecessary outages and equipment damage. - OEM-compatible reliability: Specifically designed to work with matching Square D OEM loadcenters and panelboards, ensuring proper fit, electrical coordination, and dependable operation. - Versatile for multiple environments: Suitable for residential, commercial, and light industrial applications, including new installations, panel upgrades, and retrofits where 3-phase protection is required. What it protects and where you’ll use it - Branch circuit overcurrent and short-circuit protection: Safeguards downstream wiring and devices from overloads and fault currents. - 3-pole configuration: Ideal for 3-phase circuits commonly found in commercial and light industrial infrastructure, as well as panels that require a 3-pole solution for coordinated protection. Key specifications at a glance - Manufacturer: Square D - Part number: HGL36100U44X - Type: Thermal-magnetic molded case circuit breaker - Amperage rating: 100A - Number of poles: 3 - Application: Branch circuit overcurrent and short-circuit protection Practical considerations and use cases - Compatibility matters: Pair this breaker with Square D OEM loadcenters and panelboards designed for molded case breakers to ensure proper fit and coordination. - Ideal for upgrades: If you’re expanding a panel or replacing aging protection, this 3-pole 100A unit provides solid, reliable trip performance without overhauling existing infrastructure. - Maintenance mindset: For long-term reliability, confirm the panel’s rating and ensure the replacement matches the panel’s protection scheme and bus design. Regular inspections of wiring connections and enclosure clearance help maintain optimal operation. AmpState delivers this trusted Square D solution with confidence, backed by the brand’s legacy of durable protection and measurable performance. If you’re designing or upgrading a panel system that requires robust 3-phase protection with a compact form factor, the HGL36100U44X is a precise, dependable choice that aligns with standard Square D protection philosophies and panel compatibility.