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Field Coils

Perfect fit, precision winding and reliable performance are critical to our customers products. For over 75 years, Sag Harbor Industries has been designing, redesigning and reimagining field coils with our customers with superb results.

Our experience and track record of innovative solutions allows us to offer you versatility and depth of knowledge not easily matched in the industry. Some of our field coil competencies:

Field Coil Services Offered:

  • Shunt, series, tapered or untapered, compound, rotating and interpoles
  • Edge wound, strap wound, flat wound, layer wound and random wound
  • Fine wire to heavy duty power coils
  • Dedicated tooling
  • Free form specialization

Types of Field Coils

Field coils are a large category of coils. We offer all types, custom created to our customers' exacting specifications. Some of the types of field coils we manufacture for our customers are:

  • Encapsulated
  • Glass taped
  • Tape wrapped
  • Injection molded
  • Transfer molded
  • Loose wound, bobbin wound or self-supported

Field Coil Industry Usages

  • Electric motors
  • Generators
  • Electric brakes
  • Starter motors
  • Magnet coils 
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Quality Assurances

We place a priority on quality. Our coils are produced in compliance with our ISO 9001:2015 certification. We maintain the absolute highest quality control measures to ensure customer satisfaction. Our self-auditing and inspection techniques are rigorous and thorough. Our team undergoes training and certification programs to ensure expert craftsmanship.

Our ISO 9001:2015 certification gives our customers the confidence that our production facilities, our internal and external auditing methods and our quality control procedures meet or exceed international standards. We consistently rank in our customer’s “Highest Vendor Ratings”. From product conception to application, our goal is to produce the highest quality product; as well as to deliver it on the designated date consistently and to continually improve in every aspect of our business.

Value Added Services

Value-added services are available per your requirements and at the customer’s request.

  • JIT/KanBan system options at our customer’s preference
  • RoHS compliance at your request
  • 24-hour response time when responding to feedback
  • The products we make are completely proprietary and never compromised
  • Personal and direct service with on-site communication
  • Teamwork between us and you, with superior performance being the goal
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Made in America

Sag Harbor Industries is a conscientious manufacturer. As a quality first company, the workmanship of our products is just as important as its price. The quality of American made products is second to none. Our customers can be assured that not only are Sag Harbor Industries products Assembled in America, they are also Made In USA, and we wear that distinction proudly.

That’s The Sag Harbor Advantage

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Details of Sag Harbor Field Coils Capabilities

Field Coil Catagories  
Encapsulated Field Coils, Molded Field Coils, Self-Supported Field Coils, Varnished Field Coils, Harsh Environement Field Coils
Soldered Leads, Welded Leads, DIN terminals, Tab Terminals, Crimped terminals, Stripped & tinned
Wire Size   2AWG - 52AWG Round;  Square and Rectangular Available
Wire Materials   Copper, Brass, Aluminum, Copper Clad Aluminum, Copper Nichol Alloys, Copper Tin Alloys, Silver, Gold, Stainless Steel
Wire Insulation Materials   Polyurethane, Polyester, Polyesterimide, Polyimide and combinations of these.  Custom Insulation
Coil Temperature Ratings   105⁰C - 240C⁰
Bobbin Materials   Nylon 6/6, Glass filled nylon 6/6, Glass Filled PBT, Glass Filled PET(Rynite), Glass Filled PPS (Ryton), Liquid Crystal Polymer, Thermosetting Polymer, Phenolic, Glass filled DAP
Field Coil Finish   Over-Molded, Transfer molded, Poured Epoxy, Baked varnish, Air-Cured Varnish, Epoxy-Glass Wrapped, Cotton-Varnish, Tape Wrapped
Molding Materials   Rynite®(PET), Ryton®, Zytel® (nylon), Farboset
Encapsulation Material   Various Epoxies and Varnishes
U.L. Insulation Systems   Class B, F, H