Motor Control Transformers & Magnetics
U.S. Engineered High-Performance Magnetics, Line Reactors & Motor Starting Autotransformers for Global OEMs
Engineered Motor Drive & Control Center Magnetics
At AFP Transformers Corp., we specialize in custom-engineered motor control transformers and industrial magnetics designed to meet the rigorous demands of motor drive systems, Variable Frequency Drives (VFDs), and Motor Control Centers (MCCs) worldwide. Combining decades of U.S. manufacturing expertise with heritage technology from Field Transformer, IsoReg, and International Transformers Incorporated, we deliver standard and fully customized electromagnetic solutions built to perform in the harshest industrial environments.
Our heavy-duty motor control product line spans from 600 V low-voltage classes up to 34.5 kV medium-voltage power classes with high-grade copper or aluminum windings. Built with UL-recognized insulation systems rated up to 220°C (with thermal rises up to 150°C), our products offer global procurement officers and system integrators unmatched operational longevity, thermal endurance, and harmonic resilience.
Product Range & Core Configurations
AFP Transformers manufactures a wide matrix of standardized and purpose-built magnetic components for global industrial equipment buyers. Every unit is engineered for optimal efficiency, low noise, and minimal electrical losses.
Motor Starting Autotransformers
- 3-Phase 3-Coil Configurations
- 3-Phase 2-Coil Configurations
- Low inrush current stress during motor boot
- Reduced mechanical torque spikes on driven equipment
Reactors & Drive Isolation (DITs)
- 3-Phase Line Reactors (Input & Output filter)
- 3-Phase Motor Starting Reactors
- Drive Isolation Transformers (600V - 34.5kV)
- High-dielectric isolation protection for VFDs
Multi-Pulse Phase-Shifting Transformers
- 12-Pulse Autotransformers & Isolation Units
- 18-Pulse Drive Converter Transformers
- 24-Pulse Heavy Industrial Rectifier Magnetics
- Drastic reduction of THD in power grids
Technical Specifications & Testing Standards
For international buyers requiring complete compliance and rigorous quality documentation, AFP operates 100% in-house testing equipment with complete parameter recording (voltage, current, power factor, BIL, partial discharge, and thermal rise testing).
| Specification Category | Technical Capability / Standard |
|---|---|
| Voltage Classes | 600 V, 5 kV, 15 kV, up to 34.5 kV Class |
| Winding Conductors | High-Conductivity Copper, Premium Electrical-Grade Aluminum |
| Enclosure Ratings | NEMA 1 (Indoor), NEMA 3R (Outdoor Weatherproof), NEMA 4, NEMA 12 (Dust-Tight) |
| Insulation Ratings | UL Recognized Systems up to 220°C Class (Up to 150°C Thermal Rise) |
| Operating Frequencies | 50 Hz (Global standard), 60 Hz (Americas), Custom Multi-frequency |
| In-House Quality Testing | 100% Unit Testing (IEEE C57.12.91), HiPot testing up to 100 kV AC RMS, BIL impulse testing to 300 kV, Partial Discharge testing to >70 kV induced potential |
| Global Stocking Programs | KanBan, Just-In-Time (JIT) Shipping, Min-Max Stocking, Custom OEM Supply Agreements |
| Lead Times | Standard production: 3 to 6 weeks. Expedited rapid-response turnaround: as fast as 1 week. |
Motor Control Transformer Gallery
Target Industries & International Certifications
AFP Motor Control Transformers are built for easy integration into complex global supply chains and heavy utility installations. We design to comply strictly with major international electrical safety code authorities:
Industry Applications
- Switchgear & Motor Control Center (MCC) Builders
- Electric Utilities & Power Conditioning OEMs
- Mining, Marine Heavy Equipment & Offshore Platforms
- Datacenter Uninterruptible Power Supply (UPS) & PDU Systems
- Industrial Furnaces, Induction Heating & Web Processing
- Wastewater Treatment & Chemical Processing Plants
North American Standards
- IEEE C57.12.01 & C57.12.91: Dry-Type Power Transformers
- UL 508: Industrial Control Equipment
- UL 506 & UL 1561: Specialty & General Purpose 600V Class
- UL 1562: Medium Voltage Dry-Type up to 34.5 kV
- NEMA ST 20, TR1 & ICS 2: Controllers & Autotransformers
International & Marine
- IEC 60076: Power Transformers & Medium Voltage Reactors
- IEC 61558: Safety of Power Transformers (600V Class)
- CE Certification: Fully certified for European Union markets
- ABS & DNV: American Bureau of Ships & Det Norske Veritas Marine Approval
Decades of Engineering Experience
Over 30 years of specialized expertise solving power quality and torque-starting challenges for global industrial OEMs.
UL Recognized & Certified Testing
100% full-parameter digital quality testing ensuring strict compliance with IEEE, IEC, UL, and NEMA requirements.
Global Supply Chain Trust
Flexible KanBan stocking and expedited 1-week lead times for critical overseas equipment replacements.
Request Technical Specs & Wholesale Pricing
Need custom voltage taps, specialized enclosures, or fast-track OEM prototyping? Speak directly with an experienced AFP Transformer engineering specialist today.
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