About Current Transformers

Triad 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
  
                
Hot CSE5-101001


Current Transformers TR=1:100, L=2000 H MIN, SEC DCR=5.5 MAX
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Triad 3
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AUD 0.6489
Multiples of: 1

Smd/smt2 mH10 A1:1005.5 OhmsSmd/smt7.7 mm6.9 mm5.33 mm 250 KHz + 
Hot CSE5-100301


Current Transformers TR=1:30, L=180 H MIN, SEC DCR=1 MAX
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Triad 2
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AUD 0.6489
Multiples of: 1

Smd/smt180 uH10 A1:30870 mOhmsSmd/smt7.7 mm6.9 mm5.33 mm 250 KHz + 
CSE5-100701


Current Transformers Sense/High Frequency 4750mohm DCR, 980uH
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Triad 1
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AUD 0.9129
Multiples of: 1

Smd/smt980 uH10 A1:704.75 OhmsSmd/smt7.7 mm6.9 mm5.33 mm 250 KHz + 
CSE5-101251


Current Transformers 3000uH 10A
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Triad 1
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AUD 2.0544
Multiples of: 1

Smd/smt3 mH10 A1:1258.5 OhmsSmd/smt7.7 mm6.9 mm5.33 mm 250 KHz + 
Hot CST25-0200


Current Transformers PCB Curr Sense Xfmr 1:200,50-500KHz
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Triad 1
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AUD 0.1577
Multiples of: 1

Through Hole76 mH25 A1:2004.5 OhmsSolder Pin17 mm15 mm11.8 mm 50 KHz to 500 KHz 
CST306-2T


Current Transformers CURRENT SENSE 14.0mH 100Tct ENCAP TORIOD/CST306-2T
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Triad 1
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AUD 5.4245
Multiples of: 1

Through_Hole14 mH25 A100Ct1.55 OhmsRadial27.3 mm10.16 mm31.11 mm20 KHz to 200 KHz20 KHz to 200 KHz 
CST206K


Current Transformers Current Sense Tranformer Kit containing: CST206-1A, CST206-1T, CST206-2A, CST206-2T, CST206-3A, CST206-3T
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Triad 1
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AUD 42.835
Multiples of: 1

            
CST306K


Current Transformers CURRENT SENSE KIT
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Triad 0
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AUD 7.9397
Multiples of: 1

Through_Hole----Radial95.3 mm63.5 mm50.8 mm 20 KHz to 200 KHz 
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