CIRCUIT BREAKER RETROFIT SERVICES
Circuit breaker retrofit services help facility owners modernize aging electrical equipment, improve reliability, reduce maintenance challenges, and extend switchgear life without the cost and disruption of complete equipment replacement.
Circuit Breaker Retrofit Services for Extending Equipment Life and Avoiding Costly Switchgear Replacement
Many facilities operate switchgear and switchboards that are structurally sound but contain aging circuit breakers that have become difficult to maintain. Spare parts may be increasingly difficult to obtain. Original manufacturers may have discontinued support. Protective functions may no longer meet modern operational requirements. Maintenance costs continue to rise while confidence in equipment reliability gradually declines.
Circuit breaker retrofit services provide an alternative approach. Rather than replacing an entire electrical distribution system, retrofit projects replace obsolete breakers with modern alternatives while preserving much of the existing infrastructure. This strategy allows facility owners to improve reliability, enhance safety, increase maintainability, and extend equipment life while avoiding the cost and complexity of full switchgear replacement.
Coastal Power Systems provides circuit breaker retrofit services for industrial facilities, utilities, power generation companies, data centers, petrochemical operations, municipalities, and critical infrastructure owners. Through engineering, testing, modernization, commissioning, and lifecycle support services, Coastal helps organizations solve obsolescence challenges while improving long-term electrical system reliability.
A CPS Design Retrofit is more than a parts swap. It’s a custom-engineered solution created to modernize and optimize your existing electrical systems. Through our custom designed retrofill services, we focus on upgrading the exact components that need improvement, keeping your infrastructure intact and your costs under control. Our engineering team designs each kit in-house to ensure it integrates seamlessly with your electrical layout.
Backed by decades of expertise, we engineer retrofit and retrofill solutions for obsolete and active systems across demanding environments. Each project begins with a customer request and moves through a defined design process that prioritizes accuracy, system compatibility, and long-term performance.
CPS starts every custom circuit breaker design with a detailed review of the system it must fit. We analyze breaker footprints, mounting configurations, ratings, bus connections, and control wiring to ensure proper alignment with the original switchgear.
Our engineers design retrofits for draw-out and bolt-on applications, so new breakers function within your existing gear without requiring full replacement. Our approach reduces downtime and preserves your infrastructure value while maintaining current electrical standards.
Whether you’re managing legacy equipment or dealing with unique operating conditions, CPS-designed retrofits are built for a perfect fit. Each kit is tested and verified to align with your specific switchgear or breaker configuration, providing the reliability and precision your operation demands, without the complexity of a full system overhaul.
Our Circuit Breaker Retrofit Services
- Rack-In, Bolt-In, and Hard Bus Modifications
- Breaker Upgrades
- Trip Unit Retrofit Kits
- Custom Switchgear
- MCC Retrofits
- Medium Voltage Upgrades
- Low voltage circuit breaker retrofits
- Medium voltage circuit breaker retrofits
- ABB Emax 2 retrofit solutions
- GE Power Break retrofit programs
- Obsolete breaker replacement solutions
- Trip unit upgrades
- Arc flash reduction upgrades
- Protection system modernization
- Retrofit engineering and design support
- Commissioning and testing services
Why Choose CPS Custom Design Over Full Replacement?
Replacing an entire power system can be costly, time-consuming, and disruptive to your operations. With CPS Custom Design, you upgrade only what needs upgrading, nothing more, nothing less. Our custom designed retrofit services are engineered to integrate seamlessly into your existing setup, extending equipment life and improving performance without the expense and downtime of a full replacement.
Full replacement means redesigning your infrastructure, sourcing new switchgear, and managing extended outages.
CPS Design means keeping your current system in place, upgrading critical areas with precision-fit retrofit kits, and getting back online fast.
Engineered for Precision and Performance
Every CPS Design retrofit starts and finishes in-house. Our engineers design, fabricate, and test each retrofit kit under one roof to guarantee precision, performance, and safety. By controlling every step of production, we ensure each component aligns perfectly with your specific electrical layout and operational demands.
Each kit comes complete with detailed installation instructions, mounting hardware, and direct support from our technical team, so your upgrade goes as smoothly as possible. From first design to final installation, our experts are on hand to answer questions, provide guidance, and make sure your retrofit delivers exactly what it promises — lasting performance.
Whether you’re upgrading a single breaker or modernizing a complex switchgear lineup, CPS delivers the consistency and quality control only true in-house engineering can provide.
Engineered With Downtime in Mind
CPS retrofit circuit breaker designs limit disruption during installation. Our process accounts for site conditions, access constraints, and operational schedules so systems return to service as quickly as possible.
When arc flash mitigation options exist within the application, we address them during the design phase. We focus on practical solutions that align with the system’s operating parameters and usage requirements.
Built for Demanding Applications
We provide retrofit circuit breaker design for projects in oil drilling operations, government facilities, medical environments, industrial institutions, and commercial buildings. These applications require dependable performance and careful adherence to system requirements.
Each custom circuit breaker design reflects your operating conditions, from load demands to environmental considerations. We always design with real-world use in mind.
Collaboration Throughout the Design Process
We work closely with customers and manufacturing partners throughout our custom circuit breaker designs. That collaboration allows us to confirm specifications, fit, and electrical performance before production begins.
Our process accommodates single-breaker requests and large-scale production runs. We design each solution with the same level of attention, regardless of quantity, because system reliability depends on consistency and precision.
From Concept to Production
Once we complete the design and validation stages, we prepare the solution for production. Our experience with repeatable retrofit designs allows us to scale efficiently while maintaining accuracy across builds.
We stand behind our design process because it produces circuit breaker retrofits that fit correctly, function as intended, and integrate seamlessly into existing electrical systems.
The Industry’s Most Extensive Retrofit & Retrofill Product Line
When it comes to retrofits and retrofills, Coastal Power Systems offers more options and faster turnaround than anyone else in the industry. Our catalog includes one of the most extensive Retrofit and Retrofill product lists available, designed to meet the needs of offshore operations, industrial plants, and commercial facilities.
For common upgrades, CPS maintains a wide inventory of ready-to-ship retrofit kits, minimizing lead times and keeping your operation moving. When your project calls for something unique, our fully equipped engineering and design shop is ready to create a custom solution from the ground up.
From obsolete equipment upgrades to complex modernization projects, every CPS Design kit is built to deliver the reliability of new equipment without the cost, delay, or disruption of a full system replacement.
We’ve Got Your CPS Designed Components
CPS Design covers a full range of retrofit and retrofill applications, each engineered for precision, durability, and seamless integration. Whether your goal is improved performance, compatibility, or modernization, we have the right solution for your system.
Our CPS designed components include:
- Rack-In, Bolt-In, and Hard Bus Modifications
- Breaker Upgrades
- Trip Unit Retrofit Kits
- Custom Switchgear
- MCC Retrofits
- Medium Voltage Upgrades
- And Much More
With decades of experience and a fully equipped facility, we can adapt to virtually any setup, ensuring your upgrade performs flawlessly from day one.
Let’s Design the Retrofit That Fits Your System and Your Budget
Every electrical system is different, and that’s exactly why Coastal Power Systems approaches every retrofit as a custom-engineered solution. Whether you’re modernizing legacy gear or upgrading for new operational demands, our team will evaluate your current setup, identify the right path forward, and design a retrofit that delivers measurable performance gains without unnecessary replacement costs. Contact us today to get started on your CPS Design retrofit.
Manufacturer Retrofit Solutions
Coastal Power Systems designs and supplies retrofit solutions for circuit breakers manufactured by many of the industry’s leading OEMs. Whether your equipment is obsolete, difficult to support, or no longer manufactured, our engineering team can develop a retrofit that modernizes your electrical system while preserving your existing switchgear investment.
Our retrofit solutions improve reliability, increase equipment supportability, and incorporate current protection technology without requiring complete switchgear replacement. Each project is evaluated individually to ensure proper fit, electrical performance, and long-term reliability.
GE
Power Break I®, Power Break II®, EntelliGuard®, AKR®, WavePro®, Spectra®, and other legacy and current GE circuit breaker platforms.
- GE POWER BREAK I
- LIS (LOAD INTERRUPTER SWITCH)
- GE POWER VAC
- GE LIMIT AMP
- AK/AKR
- WAVEPRO
ABB
Emax®, Emax 2®, SACE®, Advac®, and other ABB low- and medium-voltage circuit breaker retrofit applications.
- ABB/ITE – HV, HK, GHK, LK, LKE, MB, MBE, K-LINE
- SIEMENS/ALLIS-CHALMERS – AM, FB, FC, MB, MC
- FEDERAL PACIFIC – DST, DST-2, FP, DMB
- GE – AM, FH, AK, AKR
- MCGRAW EDISON – PSD, WSA
- WESTINGHOUSE – DH, DHP
- CUTLER HAMMER – VCPW
- POWELL – PV
Siemens
WL Series, Sentron®, Allis-Chalmers®, ITE®, and other Siemens circuit breaker modernization and retrofit solutions.
- ALLIS CHALMERS – AM, MB, MC/MCV, MA, FA, FB, FC/FCV
- SIEMENS – 3AF (2-HIGH)
- GE – AMH, AM (ALL MAGNEBLAST)
- WESTINGHOUSE – DH, DHP
- ITE – HV, HK
- FEDERAL PACIFIC – DST2, MOP
- MCGRAW EDISON – PSD
Schneider Electric / Square D
Masterpact®, NW®, NT®, R-Frame®, SE®, and additional Square D circuit breaker retrofit and upgrade programs.
- ITE – HV AND HK
- ALLIS-CHALMERS/SIEMENS – FA, MA, FB, FC, MC
- FPE – DST-DST2
- SQUARE D/MERLIN GERIN – DSE AND VAD
- ALLIS CHALMERS – LA FRAME
- FEDERAL PACIFIC – FM AND FP
- FEDERAL PIONEER – HL-2
- GE – AK, AKR, AL-2-50
- ITE/ABB/BBC – K DON AND K FRAME
- SQUARE D – DS AND DSII
- WESTINGHOUSE/CUTLER HAMMER – DB AND DBL
- WESTINGHOUSE/CUTLER HAMMER – DS AND DSII
- CPS Designed Retrofits and Retrofills
Eaton
Magnum®, VCP®, Cutler-Hammer®, Westinghouse®, and legacy Eaton circuit breaker retrofit solutions.
Additional Manufacturers
CPS also supports Toshiba, Hyundai, Federal Pacific, Merlin Gerin, BBC, and many other legacy and current circuit breaker manufacturers. Contact us if your equipment is not listed.
Every retrofit is engineered to match your existing electrical system while incorporating current production circuit breakers, modern trip units, and enhanced protection features. Whether you require a single replacement breaker or a fleet-wide modernization program, Coastal Power Systems can develop a retrofit solution tailored to your application.
What Are Circuit Breaker Retrofit Services?
Circuit breaker retrofit services involve replacing obsolete or aging circuit breakers with modern breakers designed to fit within existing electrical equipment. Unlike complete switchgear replacement, retrofit projects preserve the original switchgear structure, bus systems, enclosures, and much of the existing infrastructure while modernizing the critical protection and switching components.
Depending on the equipment and application, retrofit projects may involve replacing the breaker alone or incorporating new mounting systems, secondary disconnects, control interfaces, trip units, and protection technologies. The goal is to provide modern breaker performance without requiring a complete electrical system replacement.
For many facilities, retrofitting represents a practical middle ground between continued operation of obsolete equipment and the expense of installing an entirely new lineup.
Why Facilities Choose Circuit Breaker Retrofit Services
The most common reason facilities pursue retrofit projects is obsolescence. Many older breakers remain operational, but replacement parts become increasingly difficult to obtain. Manufacturers discontinue support. Technical expertise becomes scarce. Repair times increase. As a result, a relatively minor breaker issue can become a major operational concern.
Complete replacement is not always the most practical solution. Existing switchgear structures may remain in excellent condition. Bus systems may continue performing reliably. The primary concern is often the breaker itself. Circuit breaker retrofit services address this issue directly by replacing the obsolete component while preserving the surrounding infrastructure.
This approach frequently reduces project costs, shortens implementation schedules, minimizes downtime, and allows organizations to improve reliability without undertaking a major electrical replacement project.
The Problem With Aging and Obsolete Circuit Breakers
Aging circuit breakers create challenges that extend beyond normal maintenance concerns. Spare parts inventories become limited. Breaker repairs require increasing effort. Trip units may no longer provide the functionality required for modern electrical systems. Arc flash mitigation options may be limited. In some cases, breaker failure can expose facilities to significant operational risk because replacement equipment is no longer readily available.
The challenge becomes even greater when facilities depend on switchgear that supports critical operations. A failed breaker in a data center, utility facility, power generation plant, or industrial process area can affect much more than a single electrical circuit. Production interruptions, service disruptions, and emergency repair costs can quickly exceed the cost of proactive modernization.
Circuit breaker retrofit services help eliminate these risks before they become operational emergencies.
Retrofit Versus Refurbishment: Understanding the Difference
Facility owners often ask whether refurbishment or retrofit is the better solution. The answer depends largely on the condition of the equipment and the long-term operational objectives. Refurbishment focuses on restoring existing breakers through cleaning, repair, component replacement, testing, and maintenance. When equipment remains supportable and parts remain available, refurbishment can be a highly effective strategy.
Retrofit projects go a step further. Instead of restoring the existing breaker, the obsolete breaker is replaced with a modern alternative that incorporates current technology, improved protection functions, enhanced diagnostics, and better parts availability. Retrofit solutions are often preferred when obsolescence becomes a primary concern.
In many facilities, refurbishment and retrofit strategies are used together as part of a broader electrical equipment life extension program.
How Circuit Breaker Retrofits Improve Reliability
Reliability improvements are one of the strongest arguments for breaker modernization. Modern circuit breakers offer improved mechanical performance, enhanced protection capabilities, better diagnostic functions, and greater parts availability. Many modern breakers also incorporate advanced trip units capable of monitoring system conditions and providing valuable operational information.
By replacing obsolete breakers, facilities reduce dependence on aging components that may have become difficult to repair or maintain. Maintenance personnel gain access to current technologies, available replacement parts, and improved support resources. This reduces the uncertainty often associated with aging electrical infrastructure.
For organizations focused on long-term reliability, breaker retrofits frequently provide significant benefits without requiring complete switchgear replacement.
Circuit Breaker Retrofits and Arc Flash Reduction
Many older breakers were installed before modern arc flash mitigation strategies became common. While the equipment may continue to function, protection capabilities may not support current safety objectives. Modern retrofit solutions often provide opportunities to improve arc flash performance through advanced trip unit technologies, maintenance modes, zone selective interlocking, and improved protection functions.
These upgrades can help reduce incident energy levels and improve worker safety during maintenance and operational activities. For facilities seeking to improve safety without replacing entire switchgear lineups, retrofit projects often provide a practical path forward.
Because safety and reliability are closely connected, arc flash reduction frequently becomes an important consideration during modernization planning.
When Is a Circuit Breaker Retrofit Better Than Full Replacement?
The answer depends on equipment condition, budget constraints, outage limitations, and long-term operational requirements. In many cases, the switchgear structure, bus systems, and enclosures remain in good condition while the breakers themselves create the primary reliability concern. Under these circumstances, a retrofit project may provide the best balance of reliability improvement and cost control.
Full replacement may be appropriate when the entire electrical system has reached end-of-life, when major capacity changes are required, or when the existing infrastructure no longer meets operational requirements. However, many facilities discover that retrofitting allows them to address their most significant risks while deferring major replacement expenditures.
A detailed assessment of equipment condition, supportability, and operational objectives is often the best starting point for determining the appropriate modernization strategy.
Circuit Breaker Retrofits for Critical Facilities
Data centers, utilities, power generation facilities, petrochemical plants, manufacturing operations, and municipal infrastructure often place significant value on retrofit solutions because downtime carries substantial consequences. These organizations frequently need to improve reliability while minimizing outage durations and avoiding major construction activities.
Circuit breaker retrofit services support these objectives by modernizing critical protection and switching equipment within existing infrastructure. In many cases, retrofit projects can be completed more quickly and with less disruption than full replacement projects.
This combination of reliability improvement and operational efficiency makes retrofits particularly attractive in mission-critical environments.
How Circuit Breaker Retrofits Support Asset Management
Electrical asset management focuses on maximizing value while managing risk. Circuit breaker retrofits fit naturally within this strategy because they extend equipment life without requiring complete replacement. Rather than abandoning functional infrastructure, facilities can selectively modernize the components that present the greatest operational risk.
This approach often improves return on investment by preserving valuable assets while addressing reliability concerns. It also provides flexibility by allowing organizations to phase modernization efforts over time rather than concentrating all expenditures into a single large project.
For facilities managing aging electrical infrastructure, retrofits frequently become an important component of long-term lifecycle planning.
GE Power Break I to Power Break II Retrofit
Coastal Power Systems provides engineered retrofit solutions that replace aging GE Power Break I (PB I) circuit breakers with modern GE Power Break II (PB II) technology. These retrofits improve reliability, safety, and long-term serviceability while avoiding the cost and disruption of replacing an entire switchgear lineup. Each retrofit is engineered to fit your existing equipment and minimize downtime during installation.
Extend Equipment Life
Modernize existing GE switchgear without replacing the entire electrical distribution system. A PB I to PB II retrofit extends equipment life while improving reliability, protection, and maintainability.
Engineered for Your Existing Switchgear
Every retrofit is custom engineered to fit the existing switchgear structure, minimizing field modifications while maintaining the original equipment footprint. This approach reduces installation time and operational disruption.
OEM-Level Quality
With decades of experience supporting GE circuit breakers, CPS delivers retrofit solutions built for proper fit, function, and long-term performance. Each project follows proven engineering and quality-control procedures before shipment.
Minimal Downtime
Retrofit solutions are developed around your operating schedule to reduce outage time whenever possible. The result is a modern protection system that integrates seamlessly into your existing electrical infrastructure.
Why Coastal Power Systems?
Circuit breaker retrofit services require more than simply installing a new breaker. Successful projects depend on understanding existing equipment, protection systems, operational requirements, maintenance objectives, and long-term reliability considerations. Coastal Power Systems combines modernization expertise with engineering studies, testing services, commissioning support, preventive maintenance programs, refurbishment capabilities, and lifecycle asset management services.
This integrated approach allows retrofit projects to be evaluated within the broader context of equipment condition, reliability goals, arc flash reduction strategies, and future modernization plans. Rather than focusing solely on equipment replacement, Coastal helps facility owners identify practical solutions that balance performance, risk, and cost.
Because Coastal supports electrical infrastructure throughout its lifecycle, retrofit recommendations are grounded in real-world operational experience and long-term asset management considerations.
Request a Circuit Breaker Retrofit Evaluation
Whether you are managing obsolete breakers, evaluating modernization options, addressing reliability concerns, or seeking alternatives to full switchgear replacement, circuit breaker retrofit services can help extend equipment life while improving performance and maintainability.
Frequently Asked Questions
What are circuit breaker retrofit services?
Circuit breaker retrofit services replace obsolete or aging breakers with modern alternatives while preserving existing switchgear or switchboard infrastructure.
Why choose a retrofit instead of full replacement?
Retrofits often reduce project costs, minimize downtime, preserve existing infrastructure, improve reliability, and extend equipment life without requiring complete system replacement.
How do retrofits differ from refurbishment?
Refurbishment restores the existing breaker. A retrofit replaces the obsolete breaker with a modern breaker that incorporates current technology and supportability.
Can retrofits improve arc flash safety?
Yes. Many modern retrofit solutions include advanced trip units and protection features that support arc flash reduction initiatives.
When should facilities consider breaker retrofits?
Facilities should consider retrofits when breakers become obsolete, replacement parts become difficult to obtain, maintenance costs increase, or reliability concerns begin affecting operations.
Additional Information
The following organizations publish widely recognized standards, technical guidance, and best practices related to circuit breaker retrofits, electrical equipment modernization, and power system reliability.







