Square D HJA36060U43X - 60 A, 3-Pole Plug-In Circuit Breaker | AmpState

The Square D HJA36060U43X is a trusted 60A, 3-pole plug-in molded case circuit breaker designed to protect your electrical system against overcurrent and short circuits. Engineered for dependable performance in panelboards and load centers, it combines quick installation with reliable protection for residential, commercial, and light industrial environments.

Key advantages that set this breaker apart

• Fast plug-in connection enables rapid installation and painless replacement, minimizing downtime during panel upgrades or maintenance.
• Thermal-magnetic trip unit delivers stable, repeatable protection by automatically adjusting to load conditions and instantly interrupting faults for safety.
• 3-pole, 60-amp design provides robust protection for three-phase circuits or multi-circuit configurations common in modern electrical installations.
• OEM-compatible compatibility is assured with matching Square D OEM load centers and panelboards, ensuring clean integration and dependable coordination with existing protection schemes.
• Versatile applications suitable for residential upgrades, commercial panelboards, and light industrial service panels requiring reliable branch circuit protection.

What it does for your electrical system

As a branch circuit protection device, this plug-in molded case circuit breaker automatically disconnects power when overcurrent or a short-circuit is detected. The thermal-magnetic mechanism balances precision at normal operating loads with rapid response during faults, helping to prevent damage to wiring, devices, and downstream equipment while maintaining system availability.

Ideal use cases

• Upgrading or replacing breakers in existing Square D panelboards and load centers for consistent protection and easy maintenance.
• New installations in residential settings where three-phase compatibility isn’t required but robust branch-circuit protection is essential.
• Commercial service panels and light industrial panels needing reliable 60A protection for shared circuits or equipment feeders.

Technical specifications at a glance

• Manufacturer: Square D
• Part number: HJA36060U43X
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 60A
• Number of poles: 3
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Why choose this solution from AmpState

AmpState presents the Square D HJA36060U43X as a reliable, purpose-built choice for professionals who demand consistent performance and straightforward serviceability. The plug-in design simplifies installation, reduces panel downtime, and supports long-term, worry-free protection for your electrical infrastructure.