Square D | HDL36100U33X | Circuit Breaker | 100A | 3-Pole | 14kA

Square D HDL36100U33X is a reliable circuit breaker designed for three-phase power distribution. This 100 Amp, 3-Pole unit delivers a 14 kA interrupting capacity, providing robust protection for commercial and industrial electrical systems.

Whether you're performing maintenance, a retrofit, or a replacement in an existing panel, this exact part ensures you match the panel's requirements and maintain system integrity. The 3-pole configuration makes it suitable for 3-phase circuits, helping protect feeders and motors from overcurrent events.

Key specifications:

• Amperage: 100 A
• Poles: 3-Pole
• Interrupting Rating: 14 kA
• Part Number: HDL36100U33X

Why this matters in practice:

• Exact part matching reduces downtime by ensuring the breaker fits the existing panel and wiring scheme.
• Using the correct 3-phase breaker helps coordinate with other protection devices and sustain electrical safety for motors and heavy loads.
• The best reference for compatibility is the part number, so double-check HDL36100U33X against your panel catalog before ordering.

Who should consider it:

• Facilities engineers and maintenance teams performing panel upkeep in manufacturing, processing, or large commercial facilities.
• Electrical contractors handling retrofit projects or panel upgrades that require precise specifications.
• OEMs integrating protective devices into 3-phase distribution systems needing a dependable 100A, 3-Pole solution.

Usage tips:

• Verify the panel’s catalog to confirm the HDL36100U33X is the correct fit for your specific panel frame and rating.
• Keep the part number handy during ordering to ensure you receive the exact device required for your system.
• Store replacement breakers in a clean, dry environment to avoid corrosion and ensure long-term reliability.

Notes: Confirm fit and ratings before ordering. The part number is the best reference for compatibility.