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
  
                
AS-101


Current transformer; Series: AS; Trans:1:100; R:1.1O; 25mH; 150mA
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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 7513
Ships to you
between Mon. 06 May to Fri. 10 May Calender.png

USD 1.8018
Multiples of: 1

 25 mH    17.2 mm9.53 mm20.4 mm   
ASM-010


Current transformer; Series: ASM; I AC:1÷10A; 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 7222
Ships to you
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USD 2.9503
Multiples of: 1

            
T60404-E4626-X002


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 6502
Ships to you
between Fri. 10 May to Tue. 14 May Calender.png

USD 3.6255
Multiples of: 1

-102 H100 A1:250041.7 OhmsWire Leads35 mm34 mm15 mm 50 Hz 
AZ-0500


Current transformer; Series: AZ; 25A; Trans:500:1; 33O; -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 6146
Ships to you
between Mon. 06 May to Fri. 10 May Calender.png

USD 5.501
Multiples of: 1

            
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 6001
Ships to you
between Mon. 06 May to Fri. 10 May Calender.png

USD 3.549
Multiples of: 1

            
AC1025


Current transformer; Series: AC; 25A; Trans:1000:1; 100O; 63mVA
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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 5637
Ships to you
between Mon. 06 May to Fri. 10 May Calender.png

USD 4.1807
Multiples of: 1

            
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 5277
Ships to you
between Mon. 06 May to Fri. 10 May Calender.png

USD 2.7983
Multiples of: 1

            
BV EI 301 2845


Transformer: encapsulated; 0.5VA; 230VAC; 15V; 33mA; 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 5133
Ships to you
between Mon. 06 May to Fri. 10 May Calender.png

USD 2.5116
Multiples of: 1

            
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 4959
Ships to you
between Mon. 06 May to Fri. 10 May Calender.png

USD 1.8427
Multiples of: 1

 100 mH    17.2 mm9.53 mm20.4 mm   
B82801B0925A200


20 A 1:200 Current Sense Transformer 50kHz ~ 1MHz 0.6mOhm Primary, 33.24Ohm Secondary 8 mH 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.

TDK 4569
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between Mon. 06 May to Fri. 10 May Calender.png

USD 1.1179
Multiples of: 900

            
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