About Current Transformers

Bourns Current Transformers

A Current Transformer (CT) is a device designed to reduce an alternating current (AC) to a much lower, safer level. It is usually found in electric power systems for metering and/or protective relaying purposes. They are used to measure the level of current flowing through circuits and in most cases are connected to a meter or other monitoring device. The current transformer uses the concepts of electrical transformer to transform current levels between the primary (higher current) and secondary (lower current) windings. A typical current transformer is a wire wound toroidal core transformer, with a single primary winding, connected in series with the load, and a multiple secondary windings designed to provide an output current proportional to the current flowing through the primary.

Current Transformers

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(Ex. GST)(▲▼)		Enter Qty Mounting StyleInductanceCurrent RatingTurns RatioSecondary ResistanceTermination StyleLengthWidthHeightFrequencyFrequency RangeQualification
  
                
PCS020-EE0502KS


Current Transformers Current Sense transformer, 20A, EE5, 2000uH
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns 8601
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USD 3.1421
Multiples of: 1

SMD/SMT2 mH20 A1:1005.5 OhmsSMD/SMT19.91 mm16.51 mm10.5 mm 1 MHz 
PCS020-EE05320S


Current Transformers Current Sense transformer, 20A, EE5, 320uH
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns 870
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USD 3.1421
Multiples of: 1

SMD/SMT320 uH20 A1:401.14 OhmsSMD/SMT19.91 mm16.51 mm10.5 mm 1 MHz 
PCS020-EE0503KS


Current Transformers Current Sense transformer, 20A, EE5, 3000uH
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns 868
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USD 3.1421
Multiples of: 1

SMD/SMT3 mH20 A1:1257 OhmsSMD/SMT19.91 mm16.51 mm10.5 mm 1 MHz 
PCS020-EE05730S


Current Transformers Current Sense transformer, 20A, EE5, 730uH
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns 864
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USD 3.1421
Multiples of: 1

SMD/SMT730 uH20 A1:601.98 OhmsSMD/SMT19.91 mm16.51 mm10.5 mm 1 MHz 
PCS020-EE05081S


Current Transformers Current Sense transformer, 20A, EE5, 81uH
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns 764
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USD 3.1421
Multiples of: 1

SMD/SMT81 uH20 A1:200.4 OhmsSMD/SMT19.91 mm16.51 mm10.5 mm 1 MHz 
PCS040-EF1319KS


Current Transformers Current Sense transformer, 40A, EF12.6, 19200uH
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns 291
Ships to you
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USD 3.4856
Multiples of: 1

SMD/SMT19.2 mH40 A1:1502.2 OhmsSMD/SMT19.91 mm16.51 mm10.5 mm 1 MHz 
PCS040-EF1303KS


Current Transformers Current Sense transformer, 40A, EF12.6, 3060uH
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns 291
Ships to you
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USD 3.4856
Multiples of: 1

SMD/SMT3.06 mH40 A1:701 OhmsSMD/SMT19.91 mm16.51 mm10.5 mm 1 MHz 
PCS040-EF1305KS


Current Transformers Current Sense transformer, 40A, EF12.6, 5440uH
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns 285
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USD 3.4856
Multiples of: 1

SMD/SMT5.44 mH40 A1:801.15 OhmsSMD/SMT19.91 mm16.51 mm10.5 mm 1 MHz 
PCS040-EF1301KS


Current Transformers Current Sense transformer, 40A, EF12.6, 1360uH
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns 275
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USD 3.4856
Multiples of: 1

SMD/SMT1.36 mH40 A1:400.56 OhmsSMD/SMT19.91 mm16.51 mm10.5 mm 1 MHz 
PCS040-EF1334KS


Current Transformers Current Sense transformer, 40A, EF12.6, 34000uH
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Bourns 268
Ships to you
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USD 3.4856
Multiples of: 1

SMD/SMT34 mH40 A1:2004.06 OhmsSMD/SMT19.91 mm16.51 mm10.5 mm 1 MHz 
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