Siemens HED43B015 15A 3P 480V Circuit Breaker | AmpState

Meet the Siemens HED43B015 15A 3P 480V Circuit Breaker — a durable, everyday protection device built to shield panelboards, load centers, and electrical distribution networks from overloads and faults in 480V three-phase systems. With its precise 3-pole design, this breaker delivers reliable channeling of current and fast isolation when protection is required.

Designed for professionals who value accuracy and fit, this unit is a smart choice for maintenance teams, panel builders, and spare inventory where a direct part-number match matters. The HED43B015 ensures seamless integration with existing Siemens installations and downstream protection schemes, reducing guesswork and downtime during replacements or upgrades.

• Part number: HED43B015 — 15A, 3-pole, 480V
• Manufacturer: Siemens
• Applications: panelboards, load centers, and electrical distribution in 480V three-phase systems
• Availability: Available from AmpState

Why this matters in real-world projects:

• Direct part-number match minimizes compatibility risk during replacements, so technicians can install with confidence without cross-referencing specs or fabricating workarounds.
• Three-pole clarity aligns with 3-phase distribution, ensuring proper protection across all three hot legs in commercial or industrial settings.
• Compact, reliable protection supports everyday electrical work—from routine maintenance to urgent repairs—without sacrificing performance in demanding environments.
• Easy sourcing for spare inventory simplifies procurement logistics for facilities managers and electrical contractors who need predictable, repeatable parts.

Use cases and scenarios you’ll encounter with the Siemens HED43B015:

• Upgrading or repairing 480V three-phase panelboards in manufacturing lines, data centers, or large commercial facilities where immediate part compatibility is essential.
• Stocking a reliable spare for ongoing electrical distribution projects, ensuring you’re never waiting on back-ordered parts during critical maintenance windows.
• Specifying replacements in panel buildouts where exact Siemens components ensure consistent performance and streamlined commissioning.

If you’re unsure about fit or compatibility, AmpState is ready to help. Available from AmpState, and if you need help matching a part-number or confirming compatibility, message us and we’ll help you confirm the fit for your specific panelboard or load center configuration.