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
  
                
ASM-020


Current transformer; Series: ASM; I AC:1÷20A; 50O; -40÷120°C; ±10%
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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.

Talema Availability : 1036
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USD 4.6599

Multiples of: 1

            
BV 201 0136


Transformer: encapsulated; 0.35VA; 230VAC; 9V; 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 : 1023
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USD 3.0062

Multiples of: 1

            
44230


Transformer: encapsulated; 5VA; 230VAC; 9V; 556mA; 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.

Myrra Availability : 992
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USD 4.5129

Multiples of: 1

            
44269


Transformer: encapsulated; 10VA; 230VAC; 18V; 556mA; 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.

Myrra Availability : 980
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USD 5.916

Multiples of: 1

            
ZMCT102W


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 : 976
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USD 0.3471

Multiples of: 1

  -       - 
53020C


Current Transformers 0.08mH 1:20 turns SM Curr Sense Txfr
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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.

Murata Availability : 970
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USD 0.5733

Multiples of: 1

Smd/Smt80 uH10 A1:20550 mOhmsSmd/Smt8.3 mm7.2 mm5.4 mm 50 KHz to 500 KHz 
53070C


Murata Power Solutions Current Transformers 0.98mH 1:70 turns SM Curr Sense Txfr
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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.

Murata Availability : 970
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USD 0.8905

Multiples of: 1

Smd/Smt980 uH10 A1:704.5 OhmsSmd/Smt8.3 mm7.2 mm5.4 mm 50 KHz to 500 KHz 
PB0026NLT


Pulse Current Transformers CUR SENSE XFMR 100:1
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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 : 970
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USD 2.0738

Multiples of: 200

Smd/Smt5.6 mH35 A100:11.4 OhmsSmd/Smt19.91 mm15 mm10 mm 50 KHz to 500 KHz 
BV EI 303 2011


Transformer: encapsulated; 2.3VA; 230VAC; 9V; 255mA; 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 : 970
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USD 3.3369

Multiples of: 1

            
CT05-1000


Current Transformers Current Sense Transformer
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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 : 960
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USD 4.3888

Multiples of: 1

Through Hole1900 mH25 A1:100050 OhmsRadial17.6 mm12 mm3 mm500 KHz500 KHz 
FC-SCT5.0-1:70-20A


1:70 20A SMD 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.

FANGCHENG Availability : 950
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USD 0.537

Multiples of: 1

  20 A         
PE-67300NL


Current Transformers THT Current Sense 180mH 510Ohms
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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 : 950
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USD 4.9549

Multiples of: 1

Through Hole           
FC-CT9825-100T-40A


1:100 40A DIP-4 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.

FANGCHENG Availability : 948
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USD 0.5664

Multiples of: 1

  40 A         
CT05-500


Current Transformers Current Sense Transformer
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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 : 932
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USD 2.9222

Multiples of: 1

Through Hole470 mH25 A1:50016 OhmsRadial17.6 mm12 mm3 mm500 KHz500 KHz 
TEZ4/D230/12V


Transformer: encapsulated; 4VA; 230VAC; 12V; 333.3mA; 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.

Breve Tufvassons Availability : 906
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USD 5.2773

Multiples of: 1

            
PB0026NL


Current Transformers SMD Current Sense 5600uH 1.4Ohms
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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 : 905
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USD 2.123

Multiples of: 1

 5.6 mH35 A  Smd/Smt14.22 mm19.91 mm10.16 mm 50 KHz To 500 KHz 
CT02-100


Current Transformers SMT Current Sense Xfmr 18A, 1:100
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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 : 896
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USD 1.6863

Multiples of: 1

Smd/Smt1.8 mH18 A1:1004.8 OhmsSmd/Smt6.4 mm6 mm4.6 mm   
CT02-250


Current Transformers SMT Current Sense Xfmr 18A, 1:250
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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 : 873
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USD 1.9057

Multiples of: 1

Smd/Smt11.1 mH18 A1:25037.2 OhmsSmd/Smt6.4 mm6 mm4.6 mm   
ZHTCT132A(5A/5mA)


1000:1 5A 0.02kHz~10kHz 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 : 871
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USD 0.3649

Multiples of: 1

  5 A       0.02 KHz ~ 10 KHz 
PB0025NL


Transformers Audio & Signal TRANSFORMER CURRENT SENSE
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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 : 310
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USD 1.2466

Multiples of: 1

 1.4 mH35 A 700 mOhmsSmd/Smt19.91 mm15 mm10 mm 50 KHz To 500 KHz 
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