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
  
                
EFCT-26


Current Transformers CURRENT TRANSFORMER 100:1 EF 26MM
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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.

Littelfuse 1
Ships to you
between Thu. 16 May to Mon. 20 May Calender.png

USD 441.1843
Multiples of: 1

Chassis Mount 50 mA100:1 Screw68 mm26.5 mm72 mm 50 Hz to 400 Hz 
MCR-SL-CUC-600-I


CURRENT SENS, CURRENT O/P, 0-600A, 150MS
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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.

Phoenix Contact 0
6 to 16 Weeks Calender.png

USD 447.174
Multiples of: 1

            
PFN3500/2300 230/230V


Transformer: safety; 3500/2300VA; 230VAC; 230V; IP44; Ins.class: II
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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.

Breve Tufvassons 0
6 to 16 Weeks Calender.png

USD 473.7222
Multiples of: 1

            
31RTA210


Current transformer; Series:31RTA; 210mm
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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.

Lovato 0
6 to 16 Weeks Calender.png

USD 482.1268
Multiples of: 1

            
PACT RCP-4000A-1A-D190


PACT RCP4000A1AD190 phoenix contact
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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.

Phoenix Contact 0
6 to 16 Weeks Calender.png

USD 510.9195
Multiples of: 1

            
SE-CS30-26


Current Transformers 600:1 26MM ID XFMR CURRENT
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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.

Littelfuse 0
6 to 16 Weeks Calender.png

USD 538.2086
Multiples of: 1

            
PACT RCP-4000A-UIRO-D95


PACT RCP4000AUIROD95 phoenix contact
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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.

Phoenix Contact 0
6 to 16 Weeks Calender.png

USD 546.1935
Multiples of: 1

            
2CSG210100R1211


Current transformer; -10÷70°C; Dim.(a x b x c):290x310x55mm
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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.

ABB 0
6 to 16 Weeks Calender.png

USD 565.3535
Multiples of: 1

            
CTG210


Current Transformers CORE BALANCE TRANSFORMER 210 MM
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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.

Carlo Gavazzi 0
6 to 16 Weeks Calender.png

USD 578.787
Multiples of: 1

            
PFN2401/1501 230/230V


Transformer: safety; 2400/1500VA; 230VAC; 230V; IP44; Ins.class: II
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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.

Breve Tufvassons 0
6 to 16 Weeks Calender.png

USD 610.2826
Multiples of: 1

            
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