Family-owned & American-made since 1981 · Easton, Pennsylvania
Magnetics & Controls, Inc. Current Transformer Specialists

Resources & Articles

Practical guides on sourcing, replacing, and specifying current transformers — written for the engineers and buyers who actually have to solve these problems.

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Current transformer guides.

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What to Do When Your CT Has a 40-Week Lead Time

Overseas suppliers are quoting a year or more. How to keep a switchgear build, breaker retrofit, or panel on schedule with a domestic, quick-turn source.

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In progress

More guides on the way.

We're adding to this library regularly. Topics in progress:

  • Reverse-engineering an obsolete current transformer: how it works
  • Replacing a current transformer in a circuit breaker retrofit
  • Made in USA vs. imported current transformers: what actually differs
  • How to spec a custom current transformer: ratio, accuracy, burden, form factor

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