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
  
                
56100C


Current Transformers 100 turns 10A 20-37mH @1V 50kHz
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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 : 661
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USD 1.4899

Multiples of: 1

Smd/Smt18 mH10 A1001.4 OhmsRadial16.79 mm8.89 mm20.19 mm20 KHz to 200 KHz20 KHz to 200 KHz 
BV EI 302 2020


Transformer: encapsulated; 1.5VA; 230VAC; 6V; 250mA; 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 : 253
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USD 2.8638

Multiples of: 1

            
CT10-300


Current Transformers 40A 120mH 1:300
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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 : 249
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USD 2.1599

Multiples of: 1

Through Hole120 mH40 A1:30010 OhmsRadial14.5 mm13 mm15.8 mm 10 KHz to 70 KHz 
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 Availability : 244
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USD 3.3495

Multiples of: 1

SMD/SMT1.36 mH40 A1:400.56 OhmsSMD/SMT19.91 mm16.51 mm10.5 mm 1 MHz 
CST206-3T


Current Transformers CURRENT SENSE 130.0mH 300Tct ENCAP TORIOD/CST206-3T
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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 : 244
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USD 5.2009

Multiples of: 1

Through_Hole130 mH70 A300Ct12.4 OhmsRadial27.3 mm10.16 mm31.12 mm20 KHz to 250 KHz20 KHz to 250 KHz 
CT09-020


Current Transformers SMT 6A 160uH 1:20
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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 : 243
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USD 1.5592

Multiples of: 1

Smd/Smt160 uH6 A1:20120 mOhmsSmd/Smt10 mm12.2 mm6.35 mm   
BV EI 304 2995


Transformer: encapsulated; 2.6VA; 230VAC; 21V; 123mA; 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 : 242
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USD 7.9527

Multiples of: 50

            
BV UI 302 0221


Transformer: encapsulated; 4VA; 115/115VAC; 12V; 12V; 166mA; 166mA
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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 : 240
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USD 10.0401

Multiples of: 1

            
BV EI 382 1196


Transformer: encapsulated; 4.5VA; 230VAC; 18V; 18V; 125mA; 125mA
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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 : 238
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USD 5.211

Multiples of: 1

            
44270


Transformer: encapsulated; 10VA; 230VAC; 24V; 417mA; 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 : 238
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USD 6.5562

Multiples of: 1

  417 mA         
AC1075


Current transformer; Series: AC; 75A; Trans:1000:1; 100O; 562mVA
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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 : 236
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USD 7.424

Multiples of: 1

            
ZHTCT340-3


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 : 232
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USD 0.9565

Multiples of: 1

            
BV 202 0160


Transformer: encapsulated; 0.5VA; 230VAC; 12V; 12V; 21mA; 21mA; 35g
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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 : 232
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USD 2.9988

Multiples of: 1

            
44273


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.

Myrra Availability : 230
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USD 6.068

Multiples of: 1

            
BV UI 394 0087


Transformer: encapsulated; 18VA; 115/115VAC; 12V; 12V; 750mA; 750mA
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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 : 230
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USD 15.0822

Multiples of: 1

            
PE-67200NL


Current Transformers THT Current Sense 80mH 200Ohms
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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 : 228
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USD 1.4339

Multiples of: 1

Through Hole80 mH38 A1:200200 OhmsRadial19.05 mm14.35 mm19.05 mm 10 KHz to 200 KHz 
PA3208NL


Current Transformers 50/60Hz 85VAC-265VAC 100A Current Sensor
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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 : 227
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USD 3.234

Multiples of: 1

            
ASM-075


Current transformer; Series: ASM; I AC:5÷75A; 220O; -40÷120°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 : 223
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USD 6.5856

Multiples of: 1

            
TSZZ3/005MP


Transformer: encapsulated; 3VA; 230VAC; 9V; 0.33A; 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.

Indel Availability : 221
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USD 4.5276

Multiples of: 1

            
44232


Transformer: encapsulated; 5VA; 230VAC; 15V; 333mA; 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 : 125
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USD 4.6011

Multiples of: 1

  333 mA         
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