About Current Transformers

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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Image  Information Image Stock Code(▲▼)Description
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(Ex. GST)(▲▼)		Enter Qty Mounting StyleInductanceCurrent RatingTurns RatioSecondary ResistanceTermination StyleLengthWidthHeightFrequencyFrequency RangeQualification
  
                
BV EI 302 2091


Transformer: encapsulated; 1VA; 230VAC; 9V; 9V; 56mA; 56mA; 70g
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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.

Hahn Availability : 431
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USD 8.2908

Multiples of: 1

            
BV EI 304 2043


Transformer: encapsulated; 2.6VA; 230VAC; 15V; 174mA; Mounting: PCB
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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.

Hahn Availability : 420
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USD 3.1882

Multiples of: 1

            
ZMCT118G


Current Transformers Through Hole RoHS
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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.

Zeming Langxi Availability : 419
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USD 0.5604

Multiples of: 1

            
ZMCT123


Current Transformers Through Hole RoHS
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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.

Zeming Langxi Availability : 419
Ship by Fri. 29 Aug to Wed. 03 Sep Calender.png

USD 0.6475

Multiples of: 1

  -       - 
BV EI 382 1192


Transformer: encapsulated; 4.5VA; 230VAC; 12V; 12V; 187mA; 187mA
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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.

Hahn Availability : 418
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USD 5.3214

Multiples of: 1

            
BV302S06010ZU


Transformer: encapsulated; 1VA; 230VAC; 6V; 166mA; Mounting: PCB
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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.

Zettler Availability : 416
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USD 2.0286

Multiples of: 1

            
B78417A2285A003


Current Transformers EP7 P100712 Current Sense AEC-Q200
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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.

TDK Availability : 416
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USD 4.2388

Multiples of: 1

 1.7 mH  2.1 OhmsSmd/Smt11 mm10.6 mm9.7 mm 50 KHz to 250 KHzAec - Q200
PE-67100NL


Current Transformers THT Current Sense 20mH 56Ohms
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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.

Pulse Availability : 408
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USD 3.7401

Multiples of: 1

Through Hole    Radial19.05 mm14.35 mm19.05 mm   
HPT225HN


Current Transformers Through Hole RoHS
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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.

Hop Tech Availability : 407
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USD 0.7774

Multiples of: 1

  2 mA       0.02kHz ~ 10kHz 
CST-1005


Current Transformers CURRENT SENSE TRANSFORMER, PRIMARY CURRENT: 5AMPS
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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.

Triad Availability : 406
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USD 4.8856

Multiples of: 1

Through_Hole 5 A1000:140 OhmsRadial23.5 mm12 mm24.8 mm 50 Hz / 60 Hz 
BV EI 301 3592


Transformer: encapsulated; 0.7VA; 230VAC; 18V; 39mA; Mounting: PCB
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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.

Hahn Availability : 405
Ship by Wed. 13 Aug to Fri. 15 Aug Calender.png

USD 6.9825

Multiples of: 1

            
CT09-060


Current Transformers SMT 6A 1400uH 1:60
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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.

ICE Availability : 403
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USD 1.4322

Multiples of: 1

Smd/Smt1.4 mH6 A1:601300 mOhmsSmd/Smt10 mm12.2 mm6.35 mm   
ZMCT350B


Current Transformers Through Hole RoHS
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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.

Zeming Langxi Availability : 396
Ship by Fri. 29 Aug to Wed. 03 Sep Calender.png

USD 0.473

Multiples of: 1

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B82801B504A50


EPCOS TDK Current Transformers 500uH N1:N2=1:50 T3620 EE5
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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.

TDK Availability : 396
Ship by Wed. 13 Aug to Fri. 15 Aug Calender.png

USD 1.6516

Multiples of: 1

Smd/Smt500 uH20 A1:501.5 OhmsSmd/Smt8.13 mm7.11 mm5.08 mm 50 KHz to 1 MHz 
BV UI 393 0074


Transformer: encapsulated; 14VA; 115/115VAC; 9V; 9V; 778mA; 778mA
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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.

Hahn Availability : 396
Ship by Wed. 13 Aug to Fri. 15 Aug Calender.png

USD 12.7008

Multiples of: 1

            
ZHT104F


Plugin Current Sense Transformers ROHS
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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.

ZHT Availability : 392
Ship by Fri. 29 Aug to Wed. 03 Sep Calender.png

USD 0.4325

Multiples of: 1

            
B78417A2185A003


Current Transformers EP7 T7078 Current Sense AEC-Q200
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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.

TDK Availability : 391
Ship by Wed. 13 Aug to Fri. 15 Aug Calender.png

USD 4.2388

Multiples of: 1

 7 mH  5 OhmsSmd/Smt11 mm10.6 mm9.7 mm 50 KHz to 250 KHzAec - Q200
BV EI 422 1285


Transformer: encapsulated; 6VA; 230VAC; 9V; 667mA; Mounting: PCB
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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.

Hahn Availability : 390
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USD 11.466

Multiples of: 1

            
ZHT103U


1000:1 5A 0.02kHz~10kHz Current Sense Transformers ROHS
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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.

ZHT Availability : 388
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USD 0.3318

Multiples of: 1

  5 A       0.02 KHz ~ 10 KHz 
CST306-3A


Current Transformers CURRENT SENSE 55.0mH 200T ENCAP TORIOD/CST306-3A
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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.

Triad Availability : 289
Ship by Wed. 13 Aug to Fri. 15 Aug Calender.png

USD 4.2388

Multiples of: 1

Through_Hole55 mH25 A200:13.75 OhmsRadial17.53 mm9.78 mm23.24 mm 20 KHz to 200 KHz 
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