Square D | HDL36090C | Circuit Breaker | 90A | 3-Pole | 600V

The Square D HDL36090C circuit breaker delivers dependable overcurrent protection for three‑phase power systems. With a 90A rating, 3‑pole configuration, and a 600V operating envelope, this unit is engineered for demanding industrial environments where uptime and reliability matter.

Key specifications

• Amperage: 90 A
• Poles: 3‑Pole
• Voltage rating: 600 V
• Part reference: HDL36090C

What makes it right for your system

In three‑phase power networks, selecting the correct breaker is essential for safe operation and minimal downtime. The HDL36090C provides reliable protection for feeders and equipment by responding to overcurrent conditions that could compromise motors, drives, and lighting circuits in industrial facilities.

Ideal use cases

• Maintenance: Replace a failed or aging breaker with an exact‑match model to preserve panel behavior and trip characteristics.
• Retrofit: Upgrade or reconfigure panels to maintain 90 A protection in 3‑phase 600 V systems.
• Replacement: Quick, reliable part substitution when the HDL36090C is the original specification reference.

Compatibility and installation notes

Important compatibility note: Confirm fit and ratings before ordering. The HDL36090C part number is the best reference for compatibility with your Square D panels and distribution gear.

Why this model stands out

Choosing the exact HDL36090C helps ensure correct trip curves, mounting, and terminal connections tailored to Square D panels. Relying on the precise part number reduces the risk of mismatches that can lead to nuisance trips or improper protection, keeping your service reliable and compliant with electrical standards.