Square D HLA36150U44X - 150 A, 3-Pole Plug-In Circuit Breaker | AmpState

Introducing the Square D HLA36150U44X — a 150 A, 3-pole plug-in molded case circuit breaker engineered for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. This unit is designed for fast, reliable installation and straightforward service, making it a practical choice for both upgrades and new installations in compatible Square D systems.

Why this breaker stands out

• Fast plug-in connection enables quick installation and easy replacement, minimizing downtime during panel servicing or panelboard updates.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining time-delayed thermal sensing for overloads with immediate magnetic response for short circuits.
• OEM-compatible design ensures seamless compatibility with matching Square D load centers and panelboards, preserving the integrity of the protection scheme.
• Versatile applications suitable for residential, commercial, and light industrial environments that require reliable branch-circuit protection.

What it protects and how it helps

The HLA36150U44X provides comprehensive overcurrent and short-circuit protection for branch circuits. Its 3-pole configuration is ideal for panelboard setups that demand coordinated protection across three conductors, simplifying integration into existing electrical architectures and ensuring consistent safety performance.

Key specifications

• Manufacturer: Square D
• Part number: HLA36150U44X
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 150 A
• Poles: 3
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use scenarios

• Upgrading older panels to maintain consistent protection while reducing downtime during replacement.
• Installing in new or refurbished panelboards and load centers that require a reliable 3-pole plug-in breaker.
• Residential service upgrades that demand robust, dependable branch circuit protection for main distribution panels.
• Commercial or light industrial electrical rooms where quick service and compatibility with OEM panels are prioritized.

With the Square D HLA36150U44X, you’re choosing a trusted, purpose-built solution for safe, consistent electrical protection. Its plug-in design, thermal-magnetic protection, and OEM compatibility come together to provide peace of mind for installers and a reliable safeguard for electrical loads across a range of environments.