__
OEM Medical Grade Isolation Transformers
Standard and custom 60 Hz and 50/60 Hz medical-grade isolation transformers for OEM equipment - certified and built in the USA.
Custom Medical Grade OEM Isolation Transformers
Bridgeport Magnetics specializes in both standard and custom medical grade isolation transformers designed for OEM medical device manufacturers. We offer 50/60 Hz and 60 Hz toroidal isolation transformers with single, dual, or quad primary configurations and fully customizable secondary voltages to meet your specific equipment requirements.
In addition to open-frame designs, we build complete enclosed solutions to your exact specifications, including NEMA-style enclosures tailored for integration into medical carts, diagnostic systems, and other clinical equipment. All transformers are engineered to support compliance with UL 60601-1 and IEC 60601-1 standards, delivering the low leakage current, high isolation, and reliable performance demanded in patient care environments.
Through our custom toroidal transformer designs, we're delivering the ultra-low leakage current, minimal electromagnetic interference, and uncompromising reliability that tomorrow's robotic surgery systems, advanced operating room equipment, and critical care platforms demand.
Robotic Surgery Consoles and Systems
Custom low-leakage toroidal isolation transformers for high-power robotic surgery consoles and control carts.
Anesthesia Machines and OR Workstations
Medical-grade mid-to-large toroidal transformers delivering safe isolated power for anesthesia machines and OR workstations.
Endoscopy Visualization Towers and Systems
Low-EMI custom toroidal transformers engineered for endoscopy camera control units and surgical visualization platforms.
Advanced ICU Ventilators and Life-Support Platforms
High-reliability larger toroidal isolation transformers for high-acuity ICU ventilators and critical care respiratory systems.
Specialized Therapy and Diagnostic Capital Equipment
Custom mid-to-large toroidal transformers for histotripsy systems and advanced focused ultrasound therapy platforms.
Certified to the Highest Standards for Medical Applications
UL 60601-1 (Medical)
Bridgeport Magnetics Medical isolation transformers are designed and built to UL 60601-1 — the medical electrical equipment safety standard, and the certification that matters most for patient-care equipment.
IEC 60601-1 / CSA C22.2 No. 601
Designs meet the international and Canadian equivalents (IEC 60601-1, CSA C22.2 No. 601) for equipment sold worldwide.
Ultra Low Leakage Current
Engineered to hold leakage current within medical limits – down to ≤10 µA on patient-care designs – and verified by in-house testing.
Built to Your Compliance Path
Tell us the agency marks and standards your device must carry, and we design and document for certification from the start.
Why Toroidal Design Excels in Medical Isolation Applications
Minimal Electromagnetic Interference (EMI)
The closed magnetic path of a toroid produces very low stray fields, protecting sensitive diagnostic, monitoring, and imaging electronics from interference.
Compact Size & Low Weight
Significantly smaller and lighter than equivalent EI or laminated designs, making them ideal for integration into portable devices, medical carts, and space-constrained equipment.
Extremely Low Acoustic Noise
Virtually silent operation is essential in patient care areas, operating rooms, and diagnostic suites where noise can affect both patients and staff.
Efficient, Cool-Running Performance
Higher efficiency and lower core losses reduce heat generation inside medical devices, improving reliability and extending component life.
Excellent Isolation with Low Leakage Current
When designed and tested to medical standards (UL 60601-1 / IEC 60601-1), toroidal construction supports very low leakage current while maintaining high isolation voltage.
Custom Medical Grade Isolation Transformers Built for Your Device
We partner with medical device manufacturers to design and produce custom toroidal isolation transformers that meet exact electrical, mechanical, and regulatory requirements. Whether you need a drop-in replacement or a fully optimized solution for a new platform, our engineering team works directly with yours.
| Parameter | Examples & Details |
|---|---|
| Input / Output Voltages | Custom primary & secondary voltages, multi-tap designs, international configurations (100V / 120V / 220V / 240V) |
| Power Rating | Scaled to your exact load requirements (typically 300 VA – 5 kVA single-phase; higher available) |
| Physical Dimensions & Mounting | Custom footprint, height, chassis mount, plate mount, or integration into medical carts / portable devices |
| Terminations & Harnesses | Custom lead lengths, medical-grade connectors, shielded cables, pigtails, or terminal blocks |
| Enclosure Options | Open-frame, potted, fully enclosed, or hospital cart-compatible housings |
| Insulation Class | Class A, B, F, or H selected based on thermal and safety requirements |
| EMI Shielding & Grounding | Electrostatic shielding, special grounding configurations, ultra-low leakage current designs |
| Leakage Current Performance | Designed and tested to meet specific patient leakage, enclosure leakage, and earth leakage targets |
| Isolation Voltage | Standard 4 kV or higher between primary and secondary windings |
| Regulatory Alignment | Designs supporting UL 60601-1, IEC 60601-1 (3rd edition), and documentation for your submissions |
Specifications
| Rating VA | P/N | Secondaries | Frequency | Dimensions | Weight | Mounting Hardware |
|---|---|---|---|---|---|---|
| 50 | TIS050-2120 | 2 x 120V | 60 Hz or 50/60 Hz | 3.2 x 1.5 in (81 x 38 mm) | 1.7 lbs (0.8 kg) | Washer/ pad size: 2 |
| 100 | TIS100-2120 | 2 x 120V | 60 Hz or 50/60 Hz | 3.9 x 1.6 in (99 x 41 mm) | 2.4 lbs (1.1 kg) | Washer/ pad size: 3 |
| 300 | TIS300-2120 | 2 x 120V | 60 Hz or 50/60 Hz | 5.2 x 2.3 in (132 x 58 mm) | 6.2 lbs (2.8 kg) | Washer/ pad size: 4 |
| 350 | TIS350-2120 | 2 x 120V | 60 Hz or 50/60 Hz | 5.0 x 2.3 in (127 x 59 mm) | 6.2 lbs (2.8 kg) | Washer/ pad size: 4 |
| 400 | TIS400-2120 | 2 x 120V | 60 Hz or 50/60 Hz | 5.2 x 2.5 in (132 x 64 mm) | 7.4 lbs (3.4 kg) | Washer/ pad size: 4 |
| 500 | TIS500-2120 | 2 x 120V | 60 Hz or 50/60 Hz | 5.2 x 2.9 in (140 x 64 mm) | 9.5 lbs (4.3 kg) | Washer/ pad size: 5 |
| 600 | TIS600-2120 | 2 x 120V | 60 Hz or 50/60 Hz | 5.7 x 2.9 in (145 x 74 mm) | 10 lbs (4.7 kg) | Epoxy potted center w/1/4\” hole |
| 650 | TIS650-2120 | 2 x 120V | 60 Hz or 50/60 Hz | 6.2 x 3.2 in (158 x 80 mm) | 11 lbs (5.1 kg) | Epoxy potted center w/1/4\” hole |
| 800 | TIS800-2120 | 2 x 120V | 60 Hz or 50/60 Hz | 6.6 x 2.9 in (160 x 74 mm) | 13 lbs (6.1 kg) | Epoxy potted center w/1/4\” hole |
| 1000 | TIS1000-2120 | 2 x 120V | 60 Hz or 50/60 Hz | 6.6 x 3.0 in (168 x 76 mm) | 18 lbs (8.2 kg) | Epoxy potted center w/1/4\” hole |
| 1200 | TIS1200-2120 | 2 x 120V | 60 Hz or 50/60 Hz | 7.2 x 3.2 in (183 x 82 mm) | 22 lbs (10 kg) | Epoxy potted center w/1/4\” hole |
| 1500 | TIS1500-2120 | 2 x 120V | 60 Hz or 50/60 Hz | 7.8 x 3.5 in (198 x 89 mm) | 26 lbs (11.8 kg) | Epoxy potted center w/1/4\” hole |
| 1800 | TIS1800-2120 | 2 x 120V | 60 Hz or 50/60 Hz | 8.1 x 3.7 in (205 x 94 mm) | 30 lbs (13.6 kg) | Epoxy potted center w/1/4\” hole |
| 2000 | TIS2000-2120 | 2 x 120V | 60 Hz or 50/60 Hz | 8.4 x 3.9 in (213 x 99 mm) | 34 lbs (15.5 kg) | Epoxy potted center w/1/4\” hole |
| 2500 | TIS2500-2120 | 2 x 120V | 60 Hz or 50/60 Hz | 9.4 x 4.5 in (239 x 114 mm) | 39 lbs (17.7 kg) | Epoxy potted center w/1/4\” hole |
| 3000 | TIS3000-2120 | 2 x 120V | 60 Hz or 50/60 Hz | 10.0 x 4.3 in (109 x 47 mm) | 47 lbs (21.3 kg) | Epoxy potted center w/1/4\” hole |
| 5000 | TIS5000-2120 | 2 x 120V | 60 Hz or 50/60 Hz | 11.6 x 5.4 in (295 x 137 mm) | 78 lbs (35.4 kg) | Epoxy potted center w/1/4\” hole |
Certified medical isolation, made in the USA.
Standard and custom UL-recognized medical isolation transformers for OEM equipment – engineered and built in Shelton, Connecticut.
