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circuit-breaker

Siemens HED43B110 110A 3P 480V Circuit Breaker | AmpState

★★★★★
Part Number HED43B110
Amperes 110
Poles 3
Voltage 480
Product Type circuit-breaker
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Manufacturer :Siemens
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $4,308.00
Sale price $4,308.00 Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.

Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.

Icon
Secure transaction
Icon
FREE & fast shipping on orders over $49
Icon
CSA approved with 1 year warranty
Icon
30 day returns
Siemens HED43B110 110A 3P 480V Circuit Breaker | AmpState - Circuit Breakers

Siemens HED43B110 110A 3P 480V Circuit Breaker | AmpState

Regular price $4,308.00
Sale price $4,308.00 Regular price
Unit price
Product description
Shipping

Meet the Siemens HED43B110 110A 3P 480V Circuit Breaker — a purpose-built, OEM-grade protection device designed to slot into Siemens panelboards, load centers, and electrical distribution systems with precision. If you’re performing a replacement project or stocking spares, this part keeps your BOM aligned to the original specification while delivering dependable overcurrent protection for three-phase 480V circuits.

Designed for authentic performance in demanding environments, the HED43B110 provides robust protection across your 3-pole 480V installations. Its Siemens-engineered design ensures the physical fit, mounting, and electrical characteristics align with the original equipment, helping maintain system reliability and protection coordination.

Specifications at a glance

  • Manufacturer: Siemens
  • Part Number: HED43B110
  • Amperage: 110 A
  • Poles: 3
  • Voltage: 480V
  • Type: Circuit Breaker
  • Application: Panelboards, Load Centers, Electrical Distribution
  • Availability: AmpState

Why choose this breaker for your project

  • Authentic Siemens part ensures exact fit and original protection characteristics in 480V three-phase systems.
  • Ideal for replacement work where BOM alignment with the original part number matters, reducing installation guesswork and compatibility risk.
  • Stocking this 110 A, 3-pole device minimizes downtime during maintenance or upgrades by keeping critical electrical feeds protected without waiting for OEM-specific parts.
  • Clear, verifiable part reference (HED43B110) simplifies procurement and maintenance records for facilities managers and electricians.

Use cases and practical applications

  • Replacing a failed or degraded circuit breaker in Siemens panelboards or compatible distribution equipment on 480V three-phase systems.
  • Upgrading or standardizing spare parts to maintain BOM consistency across multiple panels or facilities.
  • Maintaining reliable protection for essential feeders in manufacturing lines, data centers, or commercial electrical distributions where 3P 480V service is standard.

Need help with compatibility?

Need help matching a part number or confirming compatibility with your equipment? Message us and we’ll help you confirm fit.

Contact sales@ampstate.com

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What Our Customers Say

4.9 (38 reviews)

General feedback we often hear from customers purchasing industrial electrical parts.

Verified

Exactly what we needed for a shutdown replacement. No surprises.

Plant · Shutdown

Verified

Good communication and clear updates while the order was processed.

Project · Coordination

Verified

Looks and feels like a proper industrial-grade part. Works as expected.

Service · Field install

Fast industrial sourcing support

Need help?

  • Request a quote
  • Need a BOM priced for your project
  • Not sure which part is correct
  • Need an equivalent or replacement
  • Send your part list and get a fast reply

Email us at sales@ampstate.com for pricing, availability, alternates, and project support.

Email for a quote Typical reply: same business day