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
  
                
53200C


Current Transformers 8.00mH 1:200 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 : 0
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USD 0.8649

Multiples of: 1

Smd/Smt8 mH10 A1:20034 OhmsSmd/Smt8.3 mm7.2 mm5.4 mm 50 KHz to 500 KHz 
ZHTCT205D-ADM


THroughhole 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 : 0
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USD 0.8687

Multiples of: 1

            
PA1005.040QNL


Current Transformers CURRENT SENSE 1:40 AECQ 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.

Pulse Availability : 0
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USD 0.8773

Multiples of: 120

            
ZHT118C 5A/2.5mA


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 : 0
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USD 0.8775

Multiples of: 1

            
HCT226HJZ-2


Current Transformers Through Hole,18x18x12mm 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 : 0
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USD 0.8867

Multiples of: 1

  5 A       0.02kHz ~ 10kHz 
FC-SCT4.2-1:50


Current Transformer 1:50 205uH 7A SMD,4.8x3.5mm 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 : 0
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USD 0.9059

Multiples of: 1

  7 A         
ZHTM123


2000:1 5A 0.02kHz~10kHz Plugin Current Sense Transformers ROHS
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ZHT Availability : 0
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USD 0.9061

Multiples of: 1

  5 A       0.02 KHz ~ 10 KHz 
ZHTCT901


1000:1 5A 0.02kHz~10kHz Plugin Current Sense Transformers ROHS
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ZHT Availability : 0
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USD 0.9321

Multiples of: 1

  5 A       0.02 KHz ~ 10 KHz 
ZHT181G-2P


Current Transformer 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 : 0
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USD 0.946

Multiples of: 1

            
CST25-0500


Current Transformers PCB Curr Sense Xfmr 1:500,50-500KHz
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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 : 0
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USD 0.9592

Multiples of: 25

Through Hole470 mH25 A1:50016 OhmsSolder Pin17 mm15 mm11.8 mm 50 KHz to 500 KHz 
HCT1002LD


1000:1 30uA 30mA 0.02kHz~2kHz Plugin,24.5x12.5mm Current 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.

Hop Tech Availability : 0
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USD 1.0037

Multiples of: 1

  30 mA       0.02kHz ~ 2kHz 
FC- SCT4.6-1:100


1:100 1.33mH 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 : 0
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USD 1.0077

Multiples of: 1

  20 A         
HCT1001LD


1000:1 1mA 1A 0.02kHz~2kHz Plugin,24.4x12.5mm Current 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.

Hop Tech Availability : 0
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USD 1.0105

Multiples of: 1

  1 A       0.02kHz ~ 2kHz 
HCT916HBT-1W


- Current 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.

Hop Tech Availability : 0
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USD 1.0139

Multiples of: 1

  1 A       0.02kHz ~ 10kHz 
ZHTCT341E


THroughhole 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 : 0
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USD 1.0534

Multiples of: 1

            
P8205


Current Transformers SMD Current Sense 500uH 1.5Ohms
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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 : 0
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USD 1.0578

Multiples of: 2160

  10 A 1.5 kOhmsSmd/Smt8.38 mm7.21 mm4.83 mm 50 KHz To 1 MHz 
53150C


Murata Power Solutions Current Transformers 4.50mH 1:150 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 : 0
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USD 1.0626

Multiples of: 1000

Smd/Smt4.5 mH10 A1:15017.5 OhmsSmd/Smt8.3 mm7.2 mm5.4 mm 50 KHz to 500 KHz 
53060C


Current Transformers 0.72mH 1:60 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 : 0
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USD 1.0626

Multiples of: 1000

            
HPT205AD


1:1 2mA 0.02kHz~10kHz Plugin-4P,19x16.7mm 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.

Hop Tech Availability : 0
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USD 1.1088

Multiples of: 1

  2 mA       0.02 KHz ~ 10 KHz 
HPT205A/F


- Current 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.

Hop Tech Availability : 0
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USD 1.1296

Multiples of: 1

  2 mA       0.02kHz ~ 10kHz 
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