Siemens | HE3A110L | Circuit Breaker | 110A | 3-Pole | 480V

Introducing the Siemens HE3A110L, a 3-Pole, 110 Amp circuit breaker designed for 480V three-phase power environments. Built for maintenance, retrofit, and replacement tasks where exact specifications matter, this unit delivers dependable overcurrent protection and consistent performance in demanding electrical installations.

Best compatibility reference: Use the part number HE3A110L to confirm fit with your panel or enclosure. Always verify your system's ratings before ordering.

Key specifications

• Amperage: 110A
• Poles: 3-Pole
• Voltage: 480V
• Part number: HE3A110L
• Type: Circuit Breaker

What this means for your electrical system

The HE3A110L is purpose-built for 3-phase distribution at 480V, providing reliable interruption of overcurrent conditions to protect conductors, controls, and connected equipment. With Siemens engineering behind it, you gain predictable tripping behavior and consistent performance across service cycles—an essential for industrial panels, control rooms, and retrofit projects where downtime matters.

Ideal use cases

• Retrofit projects in industrial facilities upgrading or replacing aging protection devices
• Maintenance replacements in 3-phase, 480V distribution panels
• Repairs and upgrades to motor control centers or large equipment racks that operate on 3-phase 480V power

Installation and compatibility notes

Before ordering, confirm that the HE3A110L matches your panel’s listing and labeling. The best reference for compatibility is the part number itself. Ensure the enclosure supports 480V three-phase operation and that wiring conductors and terminal connections align with your installation standards. For safe installation, follow lockout/tagout procedures and consult a licensed electrician if needed.

This Siemens circuit breaker is a dependable, purpose-built solution for demanding electrical environments where precise protection and reliable performance are non-negotiable.