email us at sales@bridgeportmagnetics.com

Bridgeport Magnetics Group is a renowned manufacturer of toroidal (donut shape) magnetic products.                       Certifications...    Press Releases...        About Us...       Career Opportunities                                                                                                                                          

       CoresAlpha-Core Core



Tortran Toroidal Transformer




Goertz Audio Cables

Goertz Audio

Utility Power

Utility Company Products

Sustainable Systems

Poulsen Hybrid

Silicon Steel Toroidal Cores

Magnetic C-Cores

Silicon Steel O-Cores

E Cores

Custom Magnetic Cores


Laminax Copper Foil
Shielding Tape

Flat Magnet Wire

Specialty Wire

Toroid Mounting Hardware

Winding /Testing Equipment 

  Toroidal Transformer Products  
Standard Toroidal Power Transformers
Custom Toroidal Power Transformers Toroidal Isolation Transformers
Toroidal O-Core Power Transformers
Current Transformers

Medical Grade Isolation Transformers

Medical Grade Isolation Transformers
ISO-PUCK I  Enclosed with cords/plugs/receptacles

Street Light Isolation Transformers

Increase Pedestrian Safety with
Streetlight Isolation Transformers


Marine Isolation Transformers
Marine Isolation Transformers

Aircraft and Marine Transformers
400 Hz Transformers for Aircraft and Marine Power

Dry-Type Distribution Transformers Single Phase Low Voltage Distribution Transformers

Three Phase Dry-Type Low Voltage Distribution Transformers

Inductors and Chokes
50Hz/60Hz Inductors and Chokes

Amorphous Core Toroidal Power Inductors for HF Applications

Transformer Enclosures

Custom Configurable Enclosures


  High-end Audio Cables

Low Inductance Speaker Cables


Foil Inductors

Balanced Power Supply
Streetlight Isolation Transformer Protect your Streetlights
from Stray Voltage

Street Light Isolation Transformers

Increase Pet and Pedestrian Safety with Streetlight Isolation Transformers

Power Back
Emergency and Temporary 240V Power Restoration

Power Back  
Ultra-compact Emergency 240V Power Restoration Device. Supplies temporary 208/240V power to customers who have lost one of their phases.


Dry-Type Power Distribution Transformers


Low Voltage Power Distribution Transformers NEMA2 Enclosed


Poulsen Power

Level 2 EV charging without installing  a dedicated 240V circuit.

Poulsen Power Level 2 EV Charging Station



Our Alpha-Core division makes our own toroidal cores from tiny up to 500+ lbs. Our Tortran division makes toroidal transformers and inductors from PC board level up to 75,000 VA single phase, 225kVA three-phase..

Toroidal PowerTransformers are more efficient than the conventional, stacked E-I lamination type transformers.  They are much quieter, exhibit much less magnetic stray fields with much lower losses and require no special tooling for custom dimensions.  

We at Bridgeport Magnetics Group enjoy almost 100% repeat business from our customers for two simple reasons: Quality and Service.

We leave no stone unturned to meet customer deadlines. Come and join the roster of our happy customers and see for yourself why they stay with us. Please call 1-800-836-5920 or email us at sales@bridgeportmagnetics.com

Thank you for visiting our website and we look forward to serving you in the future.

Ulrik Poulsen                Sandu Pescaru
Founder/CEO               Vice President/COO


                                                     Contact us with your  transformer requirements     


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