HMA2450 | Circuit Breaker | 450A | 3-Pole | 480V

The HMA2450 Circuit Breaker is a rugged, three-pole protection device designed for industrial power systems operating at 480V. With a robust 450A rating, this unit provides dependable, synchronized protection across all three phases, making it ideal for large commercial and manufacturing environments where reliable fault interruption is essential.

Key specifications at a glance

• Amperage: 450A
• Poles: 3-Pole
• Voltage: 480V
• Part number reference: HMA2450

Why this 3-pole design matters

In three-phase power systems, protecting every phase is crucial. The HMA2450’s 3-pole construction ensures balanced, coordinated tripping across all conductors, helping to prevent phase imbalances, equipment damage, and unplanned downtime. When you’re maintaining or upgrading a distribution panel or motor control center that expects a 450A, 480V solution, this unit aligns perfectly with your specifications.

Who should consider the HMA2450

• Facilities performing routine maintenance, retrofits, or replacements in 480V, three-phase networks
• Manufacturing plants and processing facilities needing reliable protection for heavy equipment and motors
• Electrical engineers and procurement teams sourcing exact-spec breakers to match legacy gear

How it solves common problems

• Accurate spec matching: The HMA2450 is purpose-built for 450A, 3-pole, 480V systems, reducing the risk of incompatibility during retrofit projects.
• Simplified maintenance planning: Replacing like-for-like parts with the same part number (HMA2450) minimizes rework and ensures consistent performance.
• Reliable phase protection: A true three-phase breaker protects all lines simultaneously, helping avoid uneven loading and potential damage to connected equipment.

Practical tips for optimal results

• Always confirm fit and ratings before ordering; the part number (HMA2450) is the clearest reference for compatibility with your switchgear or panel.
• Verify that your distribution equipment and bus arrangement align with a 3-Pole, 450A, 480V device to ensure proper mounting and operation.
• Consult your panel or equipment manufacturer’s documentation to confirm any required interrupt ratings or accessory compatibility for a seamless retrofit.

For teams tasked with maintaining or upgrading industrial power systems, the HMA2450 offers a precise, dependable solution that aligns with standard 480V three-phase infrastructure. Its straightforward compatibility reference and clear, three-pole protection streamline installation, reduce risk, and support long-term reliability in demanding environments.