Shah Electronics

The Toroidal Coil Inductor is a high-efficiency magnetic component designed for power conversion, energy storage, and EMI noise suppression applications. Built around a toroidal (ring-shaped) ferrite or iron powder core, it offers a closed magnetic path that minimizes electromagnetic interference (EMI) and maximizes magnetic coupling.

These inductors deliver stable inductance, low core loss, and high current handling capability, making them ideal for switching power supplies (SMPS), DC-DC converters, and industrial power systems. Their compact design also ensures excellent thermal performance and high power density.

• Toroidal core design with minimal EMI radiation

• High magnetic efficiency and low core loss

• Stable inductance across load and temperature variations

• Available in Ferrite, Sendust, or Iron Powder cores

• Compact size for space-efficient designs

• Custom inductance and wire gauge options available

• RoHS compliant and long-lasting design

• Switching Mode Power Supplies (SMPS)

• DC-DC Converters and Voltage Regulators

• EMI / RFI Noise Filters

• Power Factor Correction (PFC) Circuits

• Battery Chargers and Inverter Systems

• Renewable Energy and EV Power Modules

Shah 20 AMP Single Phase Toroidal Transformer is a high-precision CT designed for AC current measurement up to 20A. Housed in a durable PC casing, it ensures excellent insulation and protection from environmental factors. Developed according to European Standards IEC 62053-21 / IS 13779, this transformer guarantees accurate performance, linearity, and safety for energy measurement and control systems.

This CT is widely used in energy meters, electronic circuit breakers, current sensors, and motor speed controllers, making it suitable for both industrial and commercial applications. Variants are also available in PCB Mounting and Panel Mounting types.

• High accuracy and linearity for precise current measurement

• Complies with IEC 62053-21 / IS 13779 standards

• Robust PC housing for insulation and environmental protection

• Self Wire (Flying Leads) mounting for flexible installation

• Available in PCB Mounting and Panel Mounting variants

• Energy Meters

• Electronic Circuit Breakers

• Current Sensing & Monitoring

• Motor Speed Controllers

• Industrial & Commercial Power Systems

• A Toroidal Transformer is a highly efficient and compact electrical transformer designed with a toroidal (ring-shaped) magnetic core, typically made from high-permeability materials such as silicon steel or ferrite. Its unique core geometry minimizes magnetic flux leakage and provides superior efficiency, low noise, and reduced electromagnetic interference (EMI) compared to conventional laminated EI-core transformers.

  Toroidal transformers are widely used in applications demanding high performance, energy efficiency, and compact design, such as power supplies, amplifiers, industrial control systems, and electronic equipment.

  Features:

  • High efficiency with minimal core and copper losses

  • Low magnetic flux leakage and reduced EMI/RFI radiation

  • Compact and lightweight design for space-saving installation

  • Excellent voltage regulation and low inrush current

  • Quiet operation with low mechanical hum

  • Available in single-phase or multi-phase configurations

  • Customizable voltage, current, and power ratings

  • Optional encapsulation or potted versions for environmental protection

  Applications:

  • Power Supplies and Battery Chargers

  • Audio Amplifiers and Sound Systems

  • Industrial Control and Automation Equipment

  • Medical and Laboratory Instruments

  • Inverters and Converters

  • Renewable Energy Systems (Solar / Wind Inverters)

  • Lighting Control and Power Conditioning Units