24 kV Two-Core Current Transformer (for Polluted Regions)

EWF-20DK

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2-core current transformer for a 20~24kV power system. Used in conjunction with measuring or monitoring instruments, and with protective relays. Epoxy cast. Designed to have greater creepage, it is appropriate for polluted regions.

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Multi-Ratio Current Transformers (Single-Core & Two-Core Options) for 25 kV max. Power Systems

CR-20S Series

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Current transformers for installation in a switchgear panel of a 25kV (max.) power system and to be used with measuring or monitoring instruments, or protective relays. These are economic models suited to locations of high humidity or moderate pollution. The insulation material for the core and the secondary coil is Araldite® epoxy resin.

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Bushing Current Transformers for Draw-Out Circuit Breakers

HCB-2415(A), EBF-25M Series

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Multi-ratio bushing current transformers (bushing CTs, or BCTs) designed for 24kV draw-out circuit breakers and to be used with measuring (or monitoring) instruments or protective relays. IEEE 0.3 B-0.9. Cast in Araldite® epoxy.

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Outdoor-Type Current Transformers / Extended Range Current Transformers (ERCTs) for Revenue Metering (12~36 kV)

AWF-12, AWF-24, AWF-36

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These outdoor current transformers for revenue metering, intended for 12~36 kV power systems, are used as part of an MOF (Metering Outfit) or for current monitoring. Insulated with UV-resistant cycloaliphatic epoxy resin, these medium-voltage (MV) current transformers are ideal for outdoor use and can be available as Extended Range Current Transformers (ERCTs) when requested.

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36 kV Multi-Ratio Current Transformers (Indoor Use)

EWF-30D Series

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Suited to ≤ 36kV power systems, these multi-ratio current transformers are available in 2-core and 3-core options. Insulated with Araldite® epoxy and intended to work with measuring or monitoring instruments, or with protective relays.

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High-Voltage (HV) Outdoor Current Transformer, 52 kV & 72.5 kV

AWF-52, AWF-72

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These high-voltage current transformers (52 kV or 72.5 kV), designed for outdoor use, are available in single-core and two-core varieties. Featuring extended creepage distance and insulated with UV-resistant cycloaliphatic epoxy resin, these current transformers can withstand solar ultraviolet radiation and IEC-defined pollution level III (“Heavy”). They’re especially ideal for regions with salt fog, high temperature, and high humidity.

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Overvoltage Protector for Current-Transformer Protection

CCTP-03

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When a power system is in operation, it is imperative that the secondary of the current transformer(s) should not have an open circuit. When an open circuit occurs, an extremely high transient voltage will be induced, which can in turn damage the current transformers and the instruments at the secondary, or even posing a threat to personal safety. This CT secondary overvoltage protector offers protection from such accidental damage caused by secondary transient voltage.

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Multi-Channel Electronic Energy Meter

CED-4C ML

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For multi-channel measurements, this advanced multifunction energy meter comprises 4 modules within one energy meter. RS485 Modbus Communion is provided through 2 x RJ45 connectors.

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Split-Core Current Sensors C06 Series

C06-05E, C06-10E, C06-15E, C06-20E, C06-25E

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Hinged clip and compact design for easy installation. Current input range: 5 A – 25 A.

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Split-Core Current Sensors C10 Series

C10-15E, C10-30E, C10-50E, C10-60E, C10-75E

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Hinged clip and compact design for easy installation. Current input range: 15 A – 75 A.

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Split-Core Current Sensors C16 Series

C16-50E, C16-80E, C16-100E, C16-120E, C16-150E

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Hinged clip and compact design for easy installation. Current input range: 50 A – 150 A.

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Split-Core Current Sensors C24 Series

C24-100E, C24-150E, C24-200E, C24-250E, C24-300E

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Hinged clip and compact design for easy installation. Current input range: 100 A – 300 A.

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Split-Core Current Sensors C36 Series

C36-200E, C36-300E, C36-400E, C36-500E, C36-600E

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Hinged clip and compact design for easy installation. Current input range: 200 A – 600 A.

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Current Sensors With Lead Wire Output

CO06, CO07, CO09, CO13, CO15, CO20, CO26

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CO Series Current Sensors, with two wire leads for connection. Current input range: from 5 A to 600 A.

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PCB-Mounting Current Sensors (5 A ~ 25 A)

CU05

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PCB Mount Type Current Sensors. Primary Current: 5 A ~ 25 A.

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PCB-Mounting Current Sensors (5 A ~ 150 A)

CU07, CU09, CU13

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PCB Mount Type Current Sensors. Primary Current: 5 A ~ 150 A.

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Digital Tester (Comparator) for Instrument Transformers

WHES-1Cx

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Digital Tester (Comparator) for Instrument Transformers is designed for the testing of ratio error and phase displacement of current transformers and voltage transformers (potential transformers).

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Standard Current Transformers

WHLB Series

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WHLB Series Standard Current Transformers are mainly used as reference CTs for current transformer measurements and tests: error tests, characteristic tests, and so on.

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Instrument Transformer Testing System

WHES Series

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WHES Series Instrument Transformer Testing System is designed to measure various properties of electromagnetic current transformers and potential transformers (voltage transformers).

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Current Transformers (CT) - Instrument Transformers

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Current transformers, abbreviated as CT, are specialized transformers used in AC electrical circuits. Together with voltage transformers (VT), they are collectively known as "instrument transformers." Current transformers function by transforming higher current (I1) on their primary side into lower current (I2) on their secondary side, maintaining a specific ratio. Typically, the secondary current is transformed into 5A or 1A, as prescribed by current IEC and IEEE regulations. The transformed current can be easily and safely measured, serving the purpose of monitoring and measuring electricity consumption in circuits and systems. Current transformers can also play a crucial role in providing protection to the primary side electrical circuits.

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Low-Voltage (LV) Current Transformers (CT) 0.72 kV max.

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Low-voltage current transformers by CIC are manufactured in two main insulation styles: ABS-encased or cast-resin types. In terms of structure, the LV current transformer series offers different variations, including window-type and split-core models. Functionally, there are two main types: metering (measurement) CTs and protection CTs. There are also zero-phase current transformers (ZCTs) suitable for outdoor or indoor use by utility companies or high-voltage end-users to protect against high-voltage power cable leakage and support other monitoring needs. This product line also includes special types, such as dry-type bushing current transformers (BCT), ideal for GIS switches or transformer bushings. All types and specifications of current transformers from CIC undergo type tests and routine tests conducted by CIC's Advanced Electricity Lab, accredited by the ILAC member TAF, ensuring product quality. With over 45 years of professional experience, CIC manufactures a wide range of high-quality and versatile current transformers. Our diverse product specifications cater to the needs of various customer groups. We also offer customization and ODM/OEM services. Due to the high precision and stable quality of our products, they are widely adopted in billing, power supply, and distribution projects by utility companies, factories, major engineering ventures, and construction companies worldwide.

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Medium-Voltage (MV) Current Transformers (CT) 3.6-7.2 kV

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Current Transformers 3.6-7.2 kV Series are primarily used for measurement, monitoring, or protection in motor control panels and other equipment. Models include single/double core epoxy resin CTs, coil molded CTs, terminal type, window type, and more. The main insulation material is Huntsman (formerly Ciba-Geigy of Switzerland) Araldite® epoxy resin. Current transformers can be manufactured according to IEC, IEEE, or other standards. Outdoor current transformers are also available per customer requirements. Type tests and routine tests for CIC’s medium-voltage current transformers are all conducted by CIC's Advanced Electricity Lab, accredited by ILAC member TAF, ensuring quality. With decades of experience, CIC manufactures current transformers in a wide variety of specifications to meet diverse customer needs, also offering customization and ODM/OEM services. Thanks to high accuracy and reliable quality, CIC's products are widely used for metering and distribution by utilities, factories, major projects and builders globally.

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Medium-Voltage (MV) Current Transformers (CT) 12-24 kV

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Current Transformers 12-24 kV Series include CIC’s long-selling, well-received 24 kV epoxy-resin-cast CTs “EWF-20 series” with over 20 years of proven quality and practical design. Other major product lines include outdoor metering ERCTs, multi-ratio bushing CTs (for withdrawable switchgear), indoor CTs for regions with polluted air, CTs for SF6-insulated MOF switchgear, and dual-core cast-resin CTs with U-groove design on top. CIC primarily uses Huntsman Araldite® epoxy resin insulation for indoor CTs, while outdoor current transformers feature special cycloaliphatic epoxy resin for UV resistance. All type tests and routine tests for CIC's Medium-Voltage Current Transformers are conducted in CIC’s Advanced Electricity Lab, accredited by the ILAC member TAF, ensuring the highest quality standards. With decades of experience in manufacturing current transformers, CIC offers a wide range of specifications to meet the diverse needs of a broad customer base. We also provide customization and ODM/OEM services. Thanks to the high precision and reliable quality of our products, they are widely adopted in billing and distribution projects by utility companies, factories, major engineering ventures, and construction companies around the world.

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Medium-Voltage (MV) Current Transformers (CT) 36 kV

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Current Transformers 36 kV Series encompass both indoor and outdoor CTs, including multi-ratio CTs with two or more iron cores and MV revenue-metering current transformers suitable for 36 kV systems, such as ERCT (Extended Range Current Transformers) for MOF metering units. CIC's epoxy resin cast current transformers use internationally renowned Huntsman's Araldite® epoxy resin, while outdoor models utilize UV-resistant cycloaliphatic epoxy resin to maintain stable quality. All type tests and routine tests for CIC's 36 kV Medium-Voltage Current Transformers are conducted in CIC’s Advanced Electricity Lab, accredited by the ILAC member TAF. With decades of experience, CIC manufactures current transformers in diverse specifications to meet various customer needs, also providing customization and ODM/OEM services. Thanks to high accuracy and reliable quality, CIC's products are widely used for metering and distribution by utilities, factories, major projects and builders globally.

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