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
  
                
B82801B984A70


EPCOS TDK Current Transformers 980uH N1:N2=1:70 T3622 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 : 1519
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USD 1.8599

Multiples of: 1

Smd/Smt980 uH20 A1:703 OhmsSmd/Smt7.11 mm7.11 mm5.08 mm 50 KHz to 1 MHz 
HM33-10070


Current Transformer 1:70 0.005Ohm Prim. DCR 4.75Ohm Sec. DCR 6000mA Prim. 6Term. Gull Wing SMD
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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.

TT Electronics Availability : 1517
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USD 1.1308

Multiples of: 7500

            
B82801B724A60


Current Transformers 720uH N1:N2=1:60 T3621 EE5 SMD
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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 : 1505
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USD 1.6958

Multiples of: 1

Smd/Smt720 uH20 A1:601980 mOhmsSmd/Smt8.13 mm7.11 mm5.08 mm 50 KHz to 1 MHz 
BV EI 304 2080


Transformer: encapsulated; 2.1VA; 230VAC; 6V; 350mA; 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 : 1455
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USD 3.3385

Multiples of: 1

            
PH9494.100NLT


Current Transformers 2.50mH 2250Vdc 30A DCR= 0.35mOhms
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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 : 1436
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USD 1.3052

Multiples of: 1

            
AC1005


Current transformer; Series: AC; 5A; Trans:1000:1; 100O; 2.5mVA
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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 : 1414
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USD 3.7149

Multiples of: 1

            
ZHT102


2000:1 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 : 1399
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USD 0.3201

Multiples of: 1

  5 A       0.02 KHz ~ 10 KHz 
P0581NL


Current Transformers THT Current Sense 76mH 2.8Ohms
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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 : 1367
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USD 2.3375

Multiples of: 80

     Through Hole20.57 mm14.73 mm19.05 mm 50 KHz To 500 KHz 
ACST-261-1


Current Transformer 1:1000 530Ohm Prim. DCR 1000mA/30000mA Prim. 4Term. Thru-Hole
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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 : 1357
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USD 1.9163

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 : 1341
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USD 4.3071

Multiples of: 1

            
PA0368.125NLT


Current Transformers SMD Current Sense 10.4mH 1.9Ohms
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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 : 1321
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USD 1.22

Multiples of: 1

  4 A   8.25 mm8.25 mm3.4 mm 50 KHz To 1 MHz 
749252100


7A 1:100 Current Sense Transformer 1MHz 3mOhm Primary, 9.5Ohm Secondary 820µH Surface Mount
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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.

Wurth Availability : 1321
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USD 1.617

Multiples of: 1

 820 uH   Gull Wing    1 MHz 
BV 201 0128


Transformer: encapsulated; 0.35VA; 230VAC; 6V; 58mA; 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 : 1314
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USD 2.8419

Multiples of: 1

            
HPT225A-G


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 : 1270
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USD 0.5987

Multiples of: 1

  2 mA       0.02kHz ~ 10kHz 
T60404-E4624-X501


Current Transformers Current Transformer 60A 1:2500 3.0Henry
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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 : 1235
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USD 4.9665

Multiples of: 1

Through Hole3 H60 A1:250055 OhmsRadial31 mm14 mm31.5 mm 50 Hz 
FC-SCT6.0(100-1)-801-30A-S


1:100 30A 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 : 1226
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USD 0.5233

Multiples of: 1

  30 A         
AS-404


Current transformer; Series: AS; 50A; Trans: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.

Talema Availability : 1222
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USD 4.4123

Multiples of: 1

            
BV EI 303 2010


Transformer: encapsulated; 2.3VA; 230VAC; 6V; 383mA; 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 : 1221
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USD 3.0886

Multiples of: 1

            
BV302S12015ZU


Transformer: encapsulated; 1.5VA; 230VAC; 12V; 125mA; 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 : 1212
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USD 1.7062

Multiples of: 10

            
Hot PA1005.100NLT


Current Transformers SMD Current Sense 2000uH 5.5Ohms
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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 : 411
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USD 0.4374

Multiples of: 1

 2 mH20 A  Smd/Smt7.21 mm8.38 mm4.83 mm 50 KHz To 1 MHz 
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