Siemens | HE3B110L | Circuit Breaker | 110A | 3-Pole | 480V

Siemens HE3B110L is a 110 A, 3-Pole circuit breaker purpose-built for 480 V three-phase electrical systems. Designed for maintenance, retrofit, and replacement projects where exact specifications matter, this unit delivers reliable protection with a precise fit for your existing infrastructure. The best reference for compatibility is the part number itself—HE3B110L.

Key specifications

• Amperage: 110 A
• Poles: 3-Pole
• Voltage rating: 480 V
• Part number: HE3B110L
• Recommended uses: maintenance, retrofit, and replacement in compatible panels

Why this breaker matters in your system

For industrial power distribution, a 3-Pole 480 V circuit breaker like the HE3B110L provides targeted protection for three-phase equipment. The 110 A rating is selected to align with typical load profiles in mid-scale machinery, processing lines, and distribution panels, helping prevent overloads while supporting steady, reliable operation of your 480 V circuit.

Practical use cases

• Upgrading aging panels that require a precise 110 A, 3-Pole, 480 V protection device
• Retrofits where existing equipment calls for the Siemens HE3B110L spec to maintain system compatibility
• Replacement of a failed breaker in Siemens-compatible electrical distribution setups

Compatibility and installation tips

Before ordering, verify that the 480 V, 3-Pole configuration matches your panel’s requirements and that the amperage aligns with your load. The HE3B110L part number serves as the most reliable reference for compatibility, ensuring you don’t mix inappropriately rated devices. Always follow your equipment manufacturer’s installation guidelines and local electrical codes to ensure safe, compliant operation.