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
  
                
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 6196
Ships to you
between Fri. 12 Jul to Thu. 18 Jul Calender.png

AUD 4.7233
Multiples of: 1

            
AS-100


Current transformer; Series: AS; Trans:1:50; R:0.6O; 6mH; 300mA
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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 6013
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between Fri. 12 Jul to Thu. 18 Jul Calender.png

AUD 2.7733
Multiples of: 1

 6 mH    17.2 mm9.53 mm20.4 mm   
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 5890
Ships to you
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AUD 8.515
Multiples of: 1

            
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 5478
Ships to you
between Fri. 12 Jul to Thu. 18 Jul Calender.png

AUD 2.8383
Multiples of: 1

 25 mH    17.2 mm9.53 mm20.4 mm   
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 5432
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AUD 6.7817
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 4659
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AUD 2.0249
Multiples of: 1

Smd/Smt6.7 mH4 A1:1001.6 kOhmsSmd/Smt8.25 mm8.25 mm3.4 mm 50 KHz to 1 MHz 
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
Ships to you
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AUD 1.7744
Multiples of: 900

            
AX-1000


Current transformer; Series: AX; 10A; Trans:1000:1; 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 4510
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between Fri. 12 Jul to Thu. 18 Jul Calender.png

AUD 5.1133
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 4381
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between Thu. 18 Jul to Mon. 22 Jul Calender.png

AUD 8.8983
Multiples of: 1

Through_Hole-30 A1000:146 OhmsRadial30.2 mm14.3 mm30.2 mm 50 Hz / 60 Hz 
PA1005.050NLT


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 4365
Ships to you
between Fri. 12 Jul to Thu. 18 Jul Calender.png

AUD 1.6414
Multiples of: 900

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