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Indoor Low-Voltage Single-Phase Voltage Transformers (Potential Transformers), S-N Series / Serving a diverse client base around the world, CIC is a leading manufacturer and supplier of current transformers, potential transformers (voltage transformers), distribution transformers, epoxy insulators, electronic meters, and other electrical and electronic products.

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Based in Taiwan since 1974, CHALLENGE INDUSTRIAL CO., LTD. specializes in manufacturing high-quality electrical products, including Indoor Low-Voltage Single-Phase Voltage Transformers (Potential Transformers), current transformers, voltage transformers, distribution transformers, epoxy insulators, and power capacitors. With over 45 years of expertise and technology collaboration with Germany's MWB, CIC is ISO certified and offers products recognized for reliability in various industrial applications.

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Indoor Low-Voltage Single-Phase Voltage Transformers (Potential Transformers), S-N Series
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Indoor Low-Voltage Single-Phase Voltage Transformers (Potential Transformers)

S-N Series

Single-phase voltage transformers, or potential transformers, for indoor locations of lower humidity. Class-A insulation material. Used with measuring or monitoring instruments, or as an auxiliary power source in the main panel or motor control panel. In the latter usage, this product can be referred to as a "control power transformer" (CPT), "control transformer" (CTR), "industrial control transformer," or a "machine tool transformer."

PT as Auxiliary Power Source (Select Models)

About the Product

S-N Series low-voltage single-phase voltage transformers, or potential transformers, intended for usage in indoor locations of lower humidity, are insulated with a Class-A insulation material. These VTs (PTs) can be used in conjuction with measuring or monitoring instruments, or as an auxiliary power source in the main panel or motor control panel.

Product Features

  • Standard: IEC, CNS, or IEEE
  • Suited to locations with lower humidity
  • Economical, compact and easy to install
  • Terminal covers included for prevention against electrical shock
Selection Table*

* Other standards and specifications available.
** Models with a burden rating higher than 500 VA can be used as an auxiliary power source (accuracy N/A), also called a control transformer (CTR) or control power transformer (CPT).

Available Models

S-5N, S-6N, S-7N, S-8N, S-9N, S-10N, S-11N, S-12N


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