Comprehensive Product Information Advantages Comprehensive Transformer Design Informaiton Specification Sheet for Torodial Transformers Quality in Design & Production Bridgeport Magnetics News & Press Releases Schedule of Trade Shows Contact Bridgeport Magentics The History of Bridgeport Magentics Frequently Asked Questions Bridgeport Magentics Site Map
Ask us a Question...
Safety Standards Certification

Contact us for a Free Transformer Design Review

Toroidal Isolation Transformers up to 40,000 VA

Since 1986 Bridgeport Magnetics and its Toroid  design and manufacture toroidal power and isolation transformers for a wide range of industries including manufacturers of medical devices, test and measurement  equipment,  audio amplifiers, low voltage lighting, street lights,  airborne and marine applications .

Our design engineers  will work closely with you to develop transformer products to meet your specific needs at the lowest possible cost..

Our Toroidal Isolation Transformers are available for:

  • Operating Frequencies: 60 Hz, 50/60Hz,  400Hz
  • Input Voltage: 100V, 120V, 208V, 220V, 230V/240V, 277V, 380V, 440V (as specified)
  • Output Voltage: As specified
  • Power Ratings: Up to 75,000 VA single phase (225,000 VA three-phase) for industrial applications.
  • Up to 5,000 VA single-phase  for medical applications.  

Standard Design Industrial Isolation Transformers

Standard Design  Medical Grade Isolation Transformers

Design Options:

  • Auto-resettable or non-resettable thermal protection  *
  • Electrostatic shield
  • Magnetic shield

* All medical isolation transformers must include a thermal protector either resettable or non-resettable.

Click here
for more design options and features.


Safety Standard Certifications:
For industrial/commercial applications our transformers are certified to the following safety standards: UL506, UL 5085, CSA c22.2. No. 66-1988 ,EN61588-1, IEC61558-1.  Up to 40 kVA.  Above 40 kVA we design to comply with these safety standards.

UL Files E140446, E178316, OBJY2                             Intertek File:  3051384 

For  medical applications our custom transformers  are certified to  IEC60601-1, Third Edition, and equivalent UL 60601-1, CSA C22.2 No. 601.1-M90, EN60601.1.  

Our transformers are also designed to the applicable sections of other standards, such as UL950, IEC950, UL813, UL1236, EN742, VDE0750, VDE0551, CSA C22.2#125, and many more.


All of our transformers carry the CE mark and comply with current RoHS directive and REACH regulation.




Home | Product Search | Advantages | Design Guide | Design Help

Product Quality | News | Trade Shows | Contact Us | About Us | Terms FAQ | Site Map

    "All technical data, prices, terms and conditions are subject to change without prior notice."
    Copyright 2012 - Bridgeport Magnetics Group, Inc. All rights reserved.
    No part of this site may be copied or  reproduced without expressed written consent.