Square D HDL36150 - 150 A, 600 V, 3-Pole Circuit Breaker | AmpState

Square D HDL36150 — 150 A, 600 V, 3-Pole Molded Case Circuit Breaker from AmpState — is engineered to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Its compact molded case design opens up valuable panel space while maintaining robust protection for demanding electrical environments.

The heart of the HDL36150 is a thermal-magnetic trip unit that provides stable, repeatable protection performance. This means protection that responds predictably to overloads and swiftly to short circuits, reducing nuisance trips and safeguarding equipment, wiring, and occupants. Whether you’re upgrading a residential service panel, outfitting a commercial electrical room, or provisioning light industrial circuits, this breaker keeps your system safe and reliable.

• Compact design: streamlined profile that fits tight panel layouts without compromising protection.
• Thermal-magnetic trip: combines overload protection with fast short-circuit response for consistent performance.
• OEM compatibility: designed to pair with matching Square D OEM load centers and panelboards for seamless integration.
• Versatile applications: suitable for residential, commercial, and light industrial installations where three-phase protection is required.

Technical specifications at a glance

• Manufacturer: Square D
• Part Number: HDL36150
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 150 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection in panelboards and load centers

Who should consider the HDL36150? Electricians and facilities managers overseeing service panels, contractors installing or upgrading commercial panels, and engineers designing three-phase systems in light industrial settings will find this breaker aligns with their reliability and safety goals. Its three-pole design is ideal for three-phase circuits, delivering coordinated protection across all phases in a single, compact device.

Why choose this Square D model over alternatives? It’s built to integrate smoothly with OEM panelboards, preserving the panel’s protection characteristics and wiring topology. The HDL36150 is not just a breaker; it’s a turnkey solution that supports consistent trip behavior, easier serviceability, and long-term reliability in environments where downtime isn’t an option.

Practical tips for optimal performance: verify panel compatibility with the HDL36150’s trip curve and mounting, ensure correct termination torque per your panel’s instructions, and label the circuit according to your electrical system’s protection plan. For projects requiring reliable three-phase protection in compact spaces, the HDL36150 from AmpState offers a precise, trusted choice.