

Specialty Magnetics
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At AFP Transformers, we provide unique custom transformer solutions from fractions of a volt to 34.5 kV voltage class transformer applications. Our expertise covers a diverse range of industries and includes specialty designs for niche applications. These diverse applications cover:
- Motor starting reactor and Open Delta motor starting transformer designs
- Scott-T split phase or phase balancing transformers
- Filament and plate transformers
- Rectifier and Interphase transformers
- Saturable core reactors
- Ballast transformers
- Low Voltage and Medium Voltage Control Transformers
Our customers touch nearly every industry and include utility companies, medical facilities, data centers, and multiple original equipment manufacturers. A variety of stock designs are readily available and our engineers can develop modified units for completely custom designs.
We provide custom stocking programs for repeat orders and can use blanket orders to provide quantity pricing.
For more information about our custom transformer solutions, see the table below, or Contact Us directly.
Specialty Magnetics Capabilities
- Transformer Type
-
- Autotransformers
Scott T Transformers
Grounding Transformer
High Impedance Transformers
Isolation Transformers
K Factor Transformers
LeBlanc Transformers
Low Impedance Transformers
Low Inrush Transformers
Motor Starting Transformers
Motor Starting Reactors - Neutral Grounding Transformers
ZigZag Phase-Shifting Transformers
Plate Transformers
Filament Transformers
Control Power Transformers
Pulse Transformers- 6 Pulse
- 12 Pulse
- 18 Pulse
- 24 Pulse
- Multi-Pulse
Vertical mounted Transformers
- Autotransformers
- Power Type
-
- Single Phase
Two Phase - Three Phase
Multi-Phase
- Single Phase
- Voltage Class
-
- 600 V
5 kV - 15 kV
34.5 kV
- 600 V
- Power Rating
- 100 VA to 2,500 kVA
- Inductor Sizes
- Milliamps to 10,000 Amps
- Configurations
-
- Open Delta
Delta Connected - Wye Connected
Double Wye with Interphase
- Open Delta
- Construction
-
- Standard Dry Type
Cast Coil (Epoxycast®)
- Encapsulated
- Standard Dry Type
- Core Type
-
- Air Core
Amorphous (Metglas®) Core
Powdered Metal Core - Silicon Steel Core
Ferrite
- Air Core
- Winding Material
- Copper
Aluminum
- Winding Form
-
- Magnetic Wire
- Foil
- Enclosure Types & Options
-
- NEMA 1
NEMA 2
NEMA 3R
NEMA 4
NEMA 4X
NEMA 12
Drip Proof - Non-Ventilated
Totally Sealed
Stainless Steel
Indoor
Outdoor
Rain Shields
Custom
- NEMA 1
- Insulation Thermal Rating
- Up to 150°C Rise
- Inspection
-
- 100% Product Testing
IEEE C57.12.91 Special, Standard, or Custom
- Testing Parameters Stored
- Voltage
- Current
- Watts
- Vars
- VA
- Power Factor
- Efficiency
- 100% Product Testing
- Stocking Programs
-
- Kanban
JIT Shipping - Min-Max
Custom
- Kanban
- Production Volume
-
- Prototype
Low Volume - High Volume
- Prototype
- Lead Time
-
- 3 to 6 Weeks Typical
- Expedited Turnaround in as little as 1 Weeks
Additional Information
- Industry Focus & Applications
-
- Switchgear Manufacturers
Motor Control Center Manufacturers
Custom OEM Builders
Utilities
Power Factor Correcting Equipment Manufacturers
Power Conditioning Equipment Manufacturers- PDU manufacturers
- UPS manufacturers
- Voltage Regulator Manufacturers
- Data Center CPUs
- Industrial Heating Equipment Manufacturers
- Furnaces
- Induction Heating Power Supplies
- RF and Microwave Heating Machines
Waste Water Treatment
OEM Machine Manufacturers- Machine Toolmakers
- Packaging Machines
- Semiconductor Machine Manufacturers
- Web Processing Machine Manufacturers
- Switchgear Manufacturers
- Industry Standards
- IEEE C57.12.01
General Requirements for Dry-Type Distribution & Power Transformers, Including Solid Cast
IEEE C57.12.91
Standard Test Code for Dry-Type Distribution & Power Transformers
UL 508
UL Standard for Industrial Control Equipment
UL 506
UL Standard for Specialty Transformers
UL 1561
Industry Standard for Dry Type General Purpose & Power Transformers, 600 Volt Class
UL 1562
Industry Standard for Dry Type General Purpose & Power Transformers, Medium Voltage, Up to 34.5 KV
NEMA ST 20
Standard for Dry Type Transformers for General Applications
NEMA TR1
Test Code for Transformers, Regulators & Reactors
NEMA ICS 2
Industrial Standard for Controllers, Contactors, Overload Relays & Related Equipment. (Motor Starting Autotransformers & Reactors)
International Standards
IEC 60076
Power Transformer & Reactors - Medium Voltage
IEC 61558
Power Transformers & Reactors - 600 Volt Class
CE Certification to IEC Standards
Marine Standards
ABS
American Bureau of Ships
DNV
Det Norske Veritas