Siemens HED43B030 30A 3P 480V Circuit Breaker, Bolt-On | AmpState

The Siemens HED43B030 30A 3P 480V Bolt-On Circuit Breaker is engineered to deliver trusted, field-ready protection for demanding electrical distributions. Designed for panelboards and load centers, this 3-pole unit safeguards sensitive circuits from overloads and short circuits while delivering reliable performance in industrial and commercial environments. With a precise 30-amp rating at 480 volts, itoptions sturdy protection where it matters most.

• Bolt-On mounting for fast, secure installation that minimizes downtime and simplifies field replacements.
• Three-pole design provides comprehensive phase protection across multi-phase systems, ideal for balanced distribution networks.
• Direct part-number match ensures compatibility in panel builds and maintenance inventories, reducing sourcing guesswork.
• Siemens reliability backed by the HED family’s proven performance in panelboards and load centers.
• Clear electrical protection at a 30 A rating, suited for guarding branch circuits and feeder lines against faults.

Who should consider this breaker

• Maintenance teams stocking spare inventory for quick replacements in existing Siemens installations.
• Panel builders configuring new or retrofit distribution panels for industrial facilities, manufacturing floors, or commercial buildings.
• Electrical contractors performing service work on 3-phase, 480V systems where reliable, rapid replacements are essential.

Use cases and practical scenarios

• Protecting motor feeders and branch circuits in 3-phase distribution networks where 480V is standard.
• Replacing worn or underperforming devices in panelboards that require a direct HED series part-number match.
• Maintaining spare parts inventories for service vans, ensuring you can respond quickly to electrical faults without delay.

Why this matters in real-world terms

Choosing a bolt-on solution like the HED43B030 reduces installation time and mechanical complexity compared with plug-in alternatives, while the 3P design ensures synchronized protection across all phases. For facilities that rely on uninterrupted distribution, having a reliable Siemens breaker on hand means faster fault isolation, safer shutdowns, and less downtime during maintenance windows.

Need help confirming compatibility or finding the exact fit for your panel? AmpState offers expert assistance to verify part-number alignment and ensure a seamless match with your electrical distribution setup.

Product details at a glance

• Manufacturer: Siemens
• Part Number: HED43B030
• Product Type: Circuit Breaker
• Amperage: 30 A
• Poles: 3
• Voltage: 480V
• Mounting: Bolt-On
• Availability: AmpState