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Circuit Breaker

Siemens | HQJ23B125H01S01 | Circuit Breaker | 125A | 3-Pole | 240V | Bolt-On

★★★★★
Amperes 125
Poles 3
Voltage 240
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 $510.00
Sale price $510.00 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.

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Secure transaction
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FREE & fast shipping on orders over $49
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CSA approved with 1 year warranty
Icon
30 day returns
Allen-Bradley LOGIX5000 - In Box! .A Battery Assembly 1756-Ba1 - In Box! .A Battery Assembly 1756-Ba1

Siemens | HQJ23B125H01S01 | Circuit Breaker | 125A | 3-Pole | 240V | Bolt-On

Regular price $510.00
Sale price $510.00 Regular price
Unit price
Product description
Shipping

Siemens HQJ23B125H01S01 is a precision-engineered bolt-on circuit breaker designed to meet the exacting needs of maintenance, retrofit, and replacement projects. With a 125A rating and a 3-pole, 240V configuration, this device provides reliable protection for three-phase electrical circuits in commercial and industrial environments. Rely on Siemens’ engineering to ensure compatibility when your panel calls for the HQJ23B125H01S01 reference.

Key specifications

  • Amperage: 125A
  • Poles: 3-Pole
  • Voltage: 240V
  • Mounting: Bolt-On
  • Part number: HQJ23B125H01S01
  • Brand: Siemens

Why this Siemens breaker stands out

  • Direct reference for compatibility: The part number HQJ23B125H01S01 is the best check for ensuring you’re selecting the exact replacement or retrofit component your panel requires.
  • Bolt-on mounting for secure, field-ready installation in compatible Siemens panels, simplifying replacement and upgrades.
  • 3-Pole, 240V configuration suits typical 3-phase electrical systems used in industrial equipment, commercial HVAC gear, and distribution panels.
  • Designed to integrate with existing Siemens ecosystems, helping maintain consistent performance across your electrical infrastructure.

Installation & compatibility tips

  • Always confirm fit and ratings before ordering to avoid incorrect replacements.
  • Use in panels that explicitly accept bolt-on, 3-Pole, 125A breakers and match the HQJ23B125H01S01 specifications.
  • Power down the system and follow all safety protocols. Electrical work should be performed by a qualified electrician.
  • Keep the part number handy as your key reference when ordering replacements or conducting retrofits.

Ideal use cases

  • Maintenance or retrofits in commercial facilities with existing Siemens bolt-on breaker compatibility.
  • Replacement of aging or failed 125A, 3-pole 240V breakers in three-phase electrical panels.
  • Upgrades in systems where panel compatibility hinges on a precise HQJ23B125H01S01 specification match.

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

Consistent quality. We’ve added similar items to our regular reorder list.

MRO · Reorder

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Support is responsive when we have questions about fit or application.

Purchasing · Quick answers

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A reliable choice when we need industrial parts on short notice.

Service · Urgent replacement

Fast industrial sourcing support

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

Email for a quote Typical reply: same business day