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A Privately Owned, Local Transformer Manufacturing Facility.
Laconia Magnetics Inc. is Run and Located in Belmont, NH.

Established in 1984 by President and Chief Engineer Michael Southworth.

Laconia Magnetics, Inc prides on Quality, Efficiency, Quick Delivery, and Reasonable Pricing.

​Whether you need standard solutions or custom-built transformers and/or inductors, we have the expertise to meet your precise specifications and requirements.

What We Do:

 Laconia Magnetics, Inc. is a trusted leader in the manufacturing of specialty transformers and inductors.

We power a broad spectrum of industries with precision,  expert engineering, quality and reliability.

As  a leading transformer manufacturer in the Northeast, we specialize in:

  • Engineering and Design.

  • M​anufacturing.

  • Extensive testing of high-performance transformers and inductors.​

What We Offer

  • Engineering Excellence – We design and manufacture transformers up to 300KVA, meeting IEC, ANSI, and EN61558 standards.

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  • Diverse Product Ranges – From isolation transformers to voltage stabilizers, we cover all industrial needs!

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  • Precision & Quality – Every transformer is rigorously tested for efficiency, durability, and performance.

Your Trusted Power Partner
With our commitment to quality, innovation, and customer satisfaction, we provide transformer solutions that keep your operations running efficiently. Whether you're in manufacturing, healthcare, or industrial automation, we have the right transformer for you.

Let’s power your business together! Contact us today to find the perfect transformer solution. 

Our Key Products

  • Dry-Type Transformers  (Reliable and low-maintenance solutions up to 300 KVA).
     

  •  Isolation Transformers – (Three-phase (100 VA – 300 KVA) & Single-phase (25 VA – 300 KVA) and single phase (25 VA - 300 KVA)).
     

  •  Auto Transformers  (Efficient voltage conversion, available in three-phase (100 VA – 300 KVA) & single-phase.  Available in three phase (100 VA - 300 KVA) and single - phase (25 VA - 300 KVA)).
     

  • Medical Transformers  ((25VA – 300KVA). Designed for high safety and performance up to 300 KVA
     

  • ​Toroidal Transformers (Compact and efficient power solutions up to 0.5KVA) (
    Ensuring stable voltage supply up to 300KVA).

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  •  Voltage Stabilizers ((AVR)  Ensuring stable voltage supply up to 300 KVA)).
     

  • EPS & UPS Transformers (Uninterrupted power for critical applications). 

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  • Rectifier & Control Transformers (Engineered for industrial-grade performance).
     

  •  Industrial Reactors (Including air core, filter, serial, DC, and high-frequency resonant inductance reactors).

Quality Engineering and Manufacturing of Custom Transformers and Inductors.

About Us

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