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Control Transformer / Low-Voltage (LV) Voltage Transformer (VT), or Potential Transformer (PT) / 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 Control Power Transformers / Low-Voltage (LV) 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.

Challenge Industrial Co., Ltd. (CIC) stands at the forefront of electrical innovation, specializing in the manufacturing of current transformers, voltage transformers, distribution transformers, epoxy insulators, and power capacitors. With a legacy built on over 45 years of engineering excellence and leveraging advanced German technology, CIC commits to delivering high-quality, ISO-certified electrical solutions. Their comprehensive product range, paired with an ISO-certified approach and a TAF-accredited laboratory, ensures reliability and performance for a diverse global market. CIC is your go-to source for electrical components that power progress and efficiency.

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Control Transformer / Low-Voltage (LV) Voltage Transformer (VT), or Potential Transformer (PT)
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Control Power Transformers / Low-Voltage (LV) Voltage Transformers (Potential Transformers)

CPT Series

Used as voltage transformers (VT) or control power transformers (CPT), these resin-cast (Class-A insulation) products are both economical and versatile.

Note: Control power transformers (CPT) are also called "control transformers" (CTR), "industrial control transformers," or "machine tool transformers."

About the Product

Suitable for use with machine tools or industrial equipment as a control transformer (CTR), this product is often referred to as an "industrial control transformer," "machine tool transformer," or "control power transformer (CPT)."

This versatile product can also be installed in low-voltage control panels as an auxiliary power source or as a voltage transformer (potential transformer) for measuring.

This low-voltage, single-phase voltage transformer (potential transformer) or control transformer is resin-cast for Class-A insulation. It is compact, economical, and easy to install.

Specifications

  • Standard: IEC or IEEE
  • Phase: Single-Phase
  • Frequency: 50 or 60 Hz
  • AC/BIL: 3/- kV
  • Resin-cast for Class-A insulation.
  • Conformance with UL safety requirements and regulations.
  • Terminal covers included for protection against electrical shocks.
  • Highly resistant to moisture, heat, and dust — appropriate for use at highly polluted locations.
  • Both the primary and secondary windings can be connected either in series or parallel to provide or produce different voltages.
  • Other standards and specifications upon request.

Wiring Diagrams

Drawings

Selection Table

CPT Control Power Transformers (LV Potential Transformers) - Selection Table

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