Square D | HJL36090SA | Circuit Breaker | 3-Pole

Experience dependable three-phase protection with the Square D HJL36090SA 3-Pole Circuit Breaker. Designed for maintenance, retrofit, and replacement projects, this unit delivers exact, factory-grade performance when your panel requires matching specifications.

Key features and benefits

• Three-pole design provides robust protection for 3‑phase electrical systems, helping to safeguard equipment and minimize downtime.
• Square D precision ensures form, fit, and electrical characteristics align with your existing panel hardware, reducing retrofit guesswork.
• Maintenance, retrofit, and replacement ready—a practical choice for upgrading aging panels or stocking spare parts for quick field service.
• Part reference you can trust—the HJL36090SA part number is the most reliable compatibility guide for this breaker.

Use cases and ideal applications

This 3-Pole breaker is well-suited for industrial and commercial environments where three-phase circuits require reliable protection. It’s an excellent option for:

• Maintenance outages on existing Square D installations
• Retrofit projects that require exact spec alignment with current panels
• Emergency replacements when a precise, factory-matched component is needed

How to verify compatibility

1. Identify your panel model and current breaker specifications from the panel label.
2. Match these details to the HJL36090SA part number to confirm a precise fit.
3. Before ordering, verify the required ratings (amperage, voltage, and trip characteristics) align with your equipment’s needs.

Why choose this Square D breaker

Choosing the HJL36090SA means relying on a trusted, factory-built component designed to integrate seamlessly into compatible Square D panels. It offers predictable performance, minimizes compatibility risk, and supports efficient maintenance and replacement workflows—crucial for keeping critical systems online and compliant.