Square D HLA36035 - 35 A, 3-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D HLA36035 — a 35 A, 3-pole plug-in molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for quick upgrades and reliable performance, this breaker keeps electrical systems safe while simplifying maintenance.

Key features that set it apart:

• Fast plug-in connection: Quick installation and effortless replacement in compatible Square D panelboards and load centers, minimizing downtime on service calls or retrofit projects.
• Thermal-magnetic trip unit: Provides stable, repeatable protection by combining thermal (overload) and magnetic (short-circuit) sensing for precise, nuisance-free trips.
• OEM compatibility: Precisely engineered to work with matching Square D OEM load centers and panelboards, ensuring seamless integration and consistent performance.
• Versatile applications: Suitable for residential, commercial, and light industrial environments — ideal for protecting essential branch circuits from overloads and faults.
• 3-pole design for 3‑phase needs: Supports multi‑phase applications where a dedicated 35 A, three‑pole protection device is required, safeguarding downstream equipment and wiring.

Technical specifications

• Manufacturer: Square D
• Part Number: HLA36035
• Type: Thermal-magnetic molded case circuit breaker (MCCB)
• Amperage Rating: 35 A
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Why this plug-in breaker is a smart choice: its design accelerates installation, reduces inventory complexity, and preserves system reliability by using a proven thermal-magnetic trip profile. When paired with the correct OEM load center, it preserves trip characteristics, labeling, and overall safety compliance — giving you confidence in both new installations and component replacements.

Practical use cases:

• Upgrading a residential panel to support new circuits with a clean, plug-in replacement.
• Replacing a failed breaker in small commercial panels that require reliable 3-pole protection for 3-phase circuits.
• Integrating into light industrial panels that demand stable overcurrent and short-circuit protection with quick serviceability.

Maintenance and safety tips:

• Install only in panels designed for 3-pole plug-in MCCBs with compatible bus connections.
• Verify panelboard ratings align with the 35 A breaker to prevent upstream equipment mismatch.
• Keep circuit labeling clear and provide proper clearance around the breaker to ensure safe operation and heat dissipation.