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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(Ex. GST)(▲▼)		Enter Qty Mounting StyleInductanceCurrent RatingTurns RatioSecondary ResistanceTermination StyleLengthWidthHeightFrequencyFrequency RangeQualification
  
                
B82801A1743A030


Current Transformers 74uH 8.6V 2.5mOhms N1:N2=1:30
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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 : 3492
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USD 2.0008

Multiples of: 1

            
PA0368.100NLT


Pulse Current Transformers XFMR CUR SENSE 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 : 3488
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USD 1.2012

Multiples of: 1

Smd/Smt6.7 mH4 A1:1001.6 kOhmsSmd/Smt8.25 mm8.25 mm3.4 mm 50 KHz to 1 MHz 
BV EI 305 2800


Transformer: encapsulated; 2.3VA; 230VAC; 12V; 192mA; 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 : 3377
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USD 3.0175

Multiples of: 1

            
FC-SCT4.2-1:70


Current Transformer 1:70 7A 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 : 3283
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USD 0.8649

Multiples of: 1

  7 A         
T60404-E4626-X502


Current Transformers Current Transformer 100A 1:2500 97Henry
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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.

Vacuumschmelze Availability : 3262
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USD 3.2641

Multiples of: 1

Smd/Smt97 H100 A1:250041.7 OhmsSmd/Smt34 mm14 mm34 mm50 Hz50 Hz 
ACX-1100


Current transformer; Series: ACX; 100A; Trans:2500:1; 33O
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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 : 3229
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USD 6.2911

Multiples of: 1

            
PA1005.050QNLT


Current Transformers SMD Current Sense AEC-Q200 1:50 Xfmr
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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 : 3008
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USD 1.2083

Multiples of: 1

  20 A   8.4 mm7.2 mm5.5 mm 50 KHz To 1 MHz 
AP-2000


Current transformer; Series: AP; 15A; Trans:2000:1; 20O; -40÷85°C
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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 : 2907
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USD 3.658

Multiples of: 1

            
AC1040


Current transformer; Series: AC; 40A; Trans:1000:1; 100O; 160mVA
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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 : 2802
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USD 5.1098

Multiples of: 1

            
P8202NLT


Pulse Current Transformers SMT CURRENT SENSE XFMR
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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 : 2747
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USD 1.5889

Multiples of: 1

Smd/Smt0.08 mH10 A1:20550 mOhmsSmd/Smt8.38 mm7.21 mm5.5 mm 50 KHz to 1 MHz 
P8206NLT


Current Transformers SMD Current Sense 720uH 2.25Ohms
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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 : 2724
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USD 1.7244

Multiples of: 1

  10 A   8.38 mm7.21 mm5.5 mm 50 KHz To 1 MHz 
AX-0750


Current transformer; Series: AX; 7.5A; Trans:750:1; 100O
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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 : 2678
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USD 3.3164

Multiples of: 1

            
CST-1030


Current Transformers CURRENT SENSE TRANSFORMER, PRIMARY CURRENT: 30 AMPS:
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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 : 2633
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USD 5.6364

Multiples of: 1

Through_Hole-30 A1000:146 OhmsRadial30.2 mm14.3 mm30.2 mm 50 Hz / 60 Hz 
AS-102


Current transformer; Series: AS; Trans:1:200; R:4.5O; 100mH; 75mA
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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 : 2628
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USD 1.9357

Multiples of: 1

 100 mH    17.2 mm9.53 mm20.4 mm   
PM2165.100NLT


Current Transformers 2mH 1000V AEC-Q200 20A DCR=0.75mOhms
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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 : 2619
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USD 0.7693

Multiples of: 1

            
PM2165.125NLT


Current Transformers 3mH 1000V AEC-Q200 20A DCR=0.75mOhms
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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 : 2543
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USD 0.8733

Multiples of: 1

            
CT06-250


ICE Components 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 : 2537
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USD 2.1147

Multiples of: 1

Smd/Smt8.75 mH18 A1:25037.2 OhmsSmd/Smt6.7 mm6.5 mm5 mm - 
FC-SCTEE8.5-1-100T


1:100 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.

FANGCHENG Availability : 2432
Ship by Mon. 21 Apr to Thu. 24 Apr Calender.png

USD 0.5231

Multiples of: 1

  -         
FC-SCT4.6-1:70


1:70 0.652mH 20A SMD-4P,7x5.2mm 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 : 2425
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USD 0.9105

Multiples of: 1

  20 A         
BV EI 481 1327


Transformer: encapsulated; 10VA; 230VAC; 12V; 12V; 417mA; 417mA
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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 : 2358
Ship by Thu. 03 Apr to Mon. 07 Apr Calender.png

USD 8.3834

Multiples of: 1

            
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