Square D | HLL36035 | Circuit Breaker | 3-Pole

Square D HLL36035 3-Pole Circuit Breaker is built for demanding maintenance, retrofit, and replacement tasks in 3‑phase electrical systems. Grounded in the trusted Square D lineage, this 3‑pole unit provides reliable interruption and protection, with the critical reference point being the part number HLL36035 for compatibility checks.

Designed to slide into compatible Square D panels that require a 3‑pole configuration, this breaker helps you keep a clean, coordinated protection scheme across all three phases. By matching the exact form factor, you maintain proper trip characteristics, mechanical fit, and panel balance—key to safe operation and predictable downtime.

Key details

• Poles: 3-Pole
• Brand/Model: Square D, part number HLL36035
• Applications: Maintenance, retrofit, and replacement in 3‑phase panels
• Compatibility reminder: Confirm fit and ratings before ordering; the part number is the most reliable reference for compatibility

Why it matters in the real world

In an industrial setting, having the correct 3‑pole breaker means dependable protection across all three legs of your distribution. The HLL36035 is ideal when you’re upgrading aging gear, stocking spare breakers for service continuity, or refreshing a panel with a known, compatible Square D component. Using the exact part number helps you avoid mismatches that can lead to nuisance trips or improper protection.

Use cases and practical tips

• Use in manufacturing lines, data centers, or large office ensembles where circuits are fed by three-phase power.
• Retrofit projects: Replacing a failed or obsolete 3‑pole breaker with a matching HLL36035 ensures seamless integration with existing wiring and bus bars.
• Maintenance planning: Keep a spare HLL36035 on hand for quick swap-outs during planned outages, minimizing downtime.
• Installation tip: Always verify the panel's labeling for required rating and trip characteristics, and follow the panel manufacturer's torque specs when securing the breaker. If in doubt, consult a licensed electrician.