Eaton HLD3500X - 500 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Eaton HLD3500X is a 500A, 600V, 3-pole bolt-on molded case circuit breaker designed for dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. The bolt-on mounting delivers a secure, vibration-resistant bus connection, helping maintain reliable electrical performance in demanding environments.

• Secure bolt-on mounting creates a rigid, vibration-resistant bus connection, reducing the risk of loosened contacts in active electrical systems.
• Thermal-magnetic trip unit provides stable, repeatable protection: precise thermal response for overloads paired with instantaneous magnetic trips for short circuits.
• OEM-compatible design ensures seamless integration with matching Eaton panelboards and loadcenters, streamlining replacement and upgrades.
• High-current capability 500A rating suits large residential feeders, commercial equipment, and light industrial circuits requiring robust protection.
• 3-pole configuration ideal for 3-phase systems, delivering coordinated protection across all conductors.

This breaker is purpose-built for use where dependable branch-circuit protection is essential—from commercial spaces and light industrial facilities to modern residential multi‑unit installations. Its bolt-on construction and thermal-magnetic protection work together to minimize nuisance trips while ensuring rapid response to dangerous faults, helping keep downstream equipment safe and uptime high.

Technical snapshot

• Manufacturer: Eaton
• Part Number: HLD3500X
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 500A
• Voltage Rating: 600V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal for electricians and facilities managers who demand durability and reliable protection in demanding installations, the HLD3500X stands out with its vibration-tolerant mounting, robust trip technology, and straightforward compatibility with Eaton's own loadcenters and panelboards. When you need a dependable 3-phase protection solution that can stand up to busy environments, this breaker delivers clear value through consistent performance and easy integration.