Siemens | HED43B015L | Circuit Breaker | 3-Pole

Siemens HED43B015L is a 3-Pole circuit breaker designed for maintenance, retrofit, and replacement tasks where exact specifications matter. Engineered for 3-phase electrical systems, this unit delivers consistent protection across all three poles when paired with the correct ratings and panel compatibility.

• Exact compatibility matters — use the part number HED43B015L as the best reference for determining fit. Always confirm the required ratings and panel compatibility before ordering.
• Ideal for retrofit and replacement — keep this Siemens breaker on hand for service interruptions, panel upgrades, or legacy installations that require precise Siemens components.
• Three-pole protection for three-phase systems — designed to interrupt all three lines simultaneously, helping maintain coordinated protection in commercial and light-industrial panels.
• Reliable Siemens architecture — built to integrate with Siemens distribution panels and equipment, supporting consistent performance in both steady-state and fault conditions.
• Practical usage scenarios — maintenance on three-phase feeders, replacing worn-out breakers in retrofitted or upgraded panels, and stocking critical power-distribution spare parts.
• Important note — verify both fit and ratings on-site; the part number is the best indicator of compatibility, and mismatches can affect safety and function.

Whether you're updating an older Siemens installation or stocking a replacement for scheduled maintenance, HED43B015L provides dependable, three-pole protection your three-phase loads rely on. For best results, pair this part with the exact panel model and circuit ratings specified by your electrical diagrams and Siemens installation guidelines.