--- title: Custom Chokes | Control Transformer, Inc. description: Control Transformer's water-cooled and dry-type chokes are built to handle demanding applications while ensuring reliable performance and longevity. View our chokes. --- # Custom Chokes ## Custom Chokes for Precise Current Control Control Transformer’s chokes provide precise current regulation, enhancing equipment protection and ensuring smooth, efficient operation. By using high-quality materials for every design, we guarantee a high-performing, more durable choke.​​​​ Available in dry-type or water-cooled designs, these chokes are built to handle demanding applications while ensuring reliable performance and longevity. - Frequency range: AC - 50 – 400 Hz standard / DC - to 20 kHz; [high frequency](https://www.control-transformer.com/products/high-frequency?hsLang=en) as requested - Built to UL / ANSI C57 construction and performance standards - Tailored designs for specific applications including filter, line and swinging chokes As with [all our products](https://www.control-transformer.com/products?hsLang=en), our chokes are fully customizable. We build each product to fit our customers’ exact needs, including specifications for power, size, industry and more. [ Request a Quote ](https://cta-service-cms2.hubspot.com/web-interactives/public/v1/track/click?encryptedPayload=AVxigLKilseJ29Ap8wFUhoeGsT0LAYlxcCHwvV99sHYtxvtyt2Y5BWVogZ3TQiSIFwQf9wlVa9aZU4aVyRpcwX082SfJ16eU5EK0AuZp65GXdfWWrC2MNEtwbwqmtMQSckleCpKhG%2BSp34E2yW9lY6hbRSC%2BsMsGu4lUXG1a2%2BoSARQDBQShy14kQhxTdGNcHZQPEWPSZieXhJfK%2Fsfkhnw%3D&portalId=47518472) [ See All Products ](https://cta-service-cms2.hubspot.com/web-interactives/public/v1/track/click?encryptedPayload=AVxigLJyrEkGC3e9vYGY3OOCKIvj5VKmRY3kRepP1OP7AgUPe2Ls9M%2FR6kCpPeBCX%2B12E94gDNVVhPsHADcex0FlmFsMdlPA1zuJeUDbjN6N3XQqCTp6EBO96OIgkmrt5txJi6lK9MkGcSzze8JJuRaGHxXaClkgmTAk8NbjnscWi%2BnbtOlCP46TSBlVdplARQ0on7TsCoLyV5I6&portalId=47518472) [![](https://www.control-transformer.com/hubfs/Chokes/choke-1.jpg)](https://www.control-transformer.com/hubfs/Chokes/choke-1.jpg?hsLang=en) [![](https://www.control-transformer.com/hubfs/Chokes/choke-2%20(1).png)](https://www.control-transformer.com/hubfs/Chokes/choke-2%20(1).png?hsLang=en) [![](https://www.control-transformer.com/hubfs/Chokes/choke-3.png)](https://www.control-transformer.com/hubfs/Chokes/choke-3.png?hsLang=en) [![](https://www.control-transformer.com/hubfs/Chokes/choke-4%20(1).png)](https://www.control-transformer.com/hubfs/Chokes/choke-4%20(1).png?hsLang=en) [![](https://www.control-transformer.com/hubfs/Chokes/choke-5.png)](https://www.control-transformer.com/hubfs/Chokes/choke-5.png?hsLang=en) [![](https://www.control-transformer.com/hubfs/Chokes/choke-6.png)](https://www.control-transformer.com/hubfs/Chokes/choke-6.png?hsLang=en) [![](https://www.control-transformer.com/hubfs/Chokes/choke-7%20(1).png)](https://www.control-transformer.com/hubfs/Chokes/choke-7%20(1).png?hsLang=en) [![](https://www.control-transformer.com/hubfs/Chokes/choke-8.png)](https://www.control-transformer.com/hubfs/Chokes/choke-8.png?hsLang=en) ![](https://www.control-transformer.com/hubfs/Chokes/choke-1.jpg) ![](https://www.control-transformer.com/hubfs/Chokes/choke-2%20(1).png) ![](https://www.control-transformer.com/hubfs/Chokes/choke-3.png) ![](https://www.control-transformer.com/hubfs/Chokes/choke-4%20(1).png) ![](https://www.control-transformer.com/hubfs/Chokes/choke-5.png) ![](https://www.control-transformer.com/hubfs/Chokes/choke-6.png) ![](https://www.control-transformer.com/hubfs/Chokes/choke-7%20(1).png) ![](https://www.control-transformer.com/hubfs/Chokes/choke-8.png) ##### Dry-type Chokes ![arrow ](https://www.control-transformer.com/hubfs/Union%203.svg) - AC – 50 / 60 / 400 Hz standard / DC to 20 Khz - High frequency as requested - Broad Induction ranges / Variable inductance / High current to 10 KA / High voltage to 15KV - Filter chokes / Line chokes / Swing chokes / Load / Current limiting / Air core / Iron core / Epoxy-encapsulated / Edge-wound - 6-pulse / 12-pulse / 18-pulse / 24-pulse / PWM / High efficiency / Low loss / Harmonic - Copper or Aluminum windings - Standard core material – M6 / 29 ga. grain-oriented electrical steels / Additional higher-efficiency materials available - Standard Nema or special enclosures available - *Fully customizable to customer specifications* ##### Water-cooled Chokes ![arrow ](https://www.control-transformer.com/hubfs/Union%203.svg) - AC - 50/ 60/ 400 Hz standard / DC to 20 Khz - High-frequency as requested - Broad induction ranges / Variable inductance / High current to 10 KA / High voltage to 15KV - Filter chokes / Line chokes / Swing chokes / Load / Current limiting / Air core / Iron core / Epoxy-encapsulated / Edge-wound - 6-pulse / 12-pulse / 18-pulse / 24-pulse / PWM / High efficiency / Low loss / Harmonic - Broad ranges of tubing available / Epoxy-encapsulated coils - Standard core material – M6 / 29 ga. grain-oriented electrical steels/ Additional higher-efficiency materials available - Standard Nema or special enclosures available - *Fully customizable to customer specifications* ## Built for Project Success #### Custom Engineered Tailored to meet exact specifications, in collaboration with each client #### Reliable Performance Less than 1% failure rate, 100% test approval before shipping #### Complete Equipment Protection Chokes mitigate voltage fluctuations to prevent downstream failures #### UL C57 Compliance Built with premium materials that meet industry standards #### 1-Year Warranty Coverage for one year from the date of shipment #### Made in the USA Proudly manufactured in our Ohio-based facility ## Discover the Latest from Control Transformer Explore recent news items, updates and expert thought leadership from the Control Transformer team. [ EXPLORE RESOURCES ](https://www.control-transformer.com/resources?hsLang=en) ## Chokes for Your Complex Industry Needs We have the expertise and capabilities to meet OEMs’ choke needs across [a wide range of industries](https://www.control-transformer.com/industries?hsLang=en). ##### Oil & Gas Ensure safety and productivity needed for production, refinement and distribution ##### Aviation Reliable power for aircraft and ground infrastructure, serving commercial and military markets ##### Mining Transformers and reactors to withstand the most rugged underground environments ##### Induction Heating & Melting Supply the power and frequency needed for various industrial and domestic heating applications ##### Renewable / Alternative Energy Enable conversion, regulation, stability and transfer of power from renewable energy sources ##### Marine Reliable transformers for hazardous marine environments, serving commercial and military markets ##### Electric Vehicles (EV) Ensure efficiency in power conversion, charging infrastructure and vehicle power systems ##### Industrial & Manufacturing Provide efficient power for a wide array of applications, from motors and drives to heavy machinery ##### Energy Storage Facilitate the conversion, regulation and management of power in energy storage systems and grids [ Request a Quote ](https://cta-service-cms2.hubspot.com/web-interactives/public/v1/track/click?encryptedPayload=AVxigLKilseJ29Ap8wFUhoeGsT0LAYlxcCHwvV99sHYtxvtyt2Y5BWVogZ3TQiSIFwQf9wlVa9aZU4aVyRpcwX082SfJ16eU5EK0AuZp65GXdfWWrC2MNEtwbwqmtMQSckleCpKhG%2BSp34E2yW9lY6hbRSC%2BsMsGu4lUXG1a2%2BoSARQDBQShy14kQhxTdGNcHZQPEWPSZieXhJfK%2Fsfkhnw%3D&portalId=47518472) > Control Transformer has consistently remained one of our most reliable suppliers over the years – providing us with a high-quality product, industry-leading engineering expertise and competitive lead times. By using Control Transformer products, we have ensured our projects’ success and maximize customer satisfaction. Power Factor Correction Industry > Our organization has worked with Control Transformer for at least 50 years. In our challenging high-vibration application, where the quality of the product is paramount, we require the highest possible rating in the smallest possible package size, which requires a high level of customization. Their staff has always been very competent, courteous and professional in helping us to achieve success, promptly addressing our inquiries and concerns and providing us with first-class products that perform well in our application. Mining Industry > Control Transformer has been a valued strategic partner and supplier to our organization for over 25 years. During this time working with the CTI team, I have worked with all team members, from design engineers to shipping personnel and everything in between. Everyone is engaged and supportive of the custom requirements and quality that our company demands from a strategic partner. Motor Drives Industry > Control Transformer's long-tenured employees take great pride in service and workmanship, which shows in all aspects of the products they produce. Everyone from the president to production is just a phone call away. Issues, albeit rare, are always handled in a timely manner, and they can be on-site or on a call as we require. Control Transformer is a testament to how all businesses should be managed and operated to service their customer with quality products to meet the timelines of customer production. Motor Drives Industry ## Find Your Custom Choke Solution Tell us about your choke needs. We’ll give you an estimate of the resources needed to engineer a product to meet your exact specs, complete with a preliminary design. 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