About Current Transformers

Littelfuse 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 Availability : 2
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USD 440.6046

Multiples of: 1

Chassis Mount 50 mA100:1 Screw68 mm26.5 mm72 mm 50 Hz to 400 Hz 
CT-0400-F30


Current Transformers 120V 0.5-5A CURRENT SENSOR
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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 Availability : 0
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USD 117.8687

Multiples of: 1

   400:5        
EFCT-1FC


Current Transformers CURRENT TRANSFORMER W/ FLUX CONDITIONER
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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 Availability : 0
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USD 127.7303

Multiples of: 1

            
SE-EFVC


Current Transformers 400V 60A VOLT CLAMP SEMI DIODE BRIDGE
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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 Availability : 0
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USD 329.9058

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 Availability : 0
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USD 555.2946

Multiples of: 1

            
SE-CS10-6


Current Transformers 1000:5 6.31MM 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 Availability : 0
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USD 734.2912

Multiples of: 1

            
EFCT-1


Current Transformers CURRENT TRANSFORMER
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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 Availability : 0
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USD 781.131

Multiples of: 1

Chassis Mount 50 mA100:1 Screw121 mm30 mm5.43 mm 50 Hz to 400 Hz 
SE-CS10-8


Current Transformers 1000:5 8.25MM 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 Availability : 0
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USD 937.0704

Multiples of: 1

            
SE-CS30-8


Current Transformers 600:1 200M 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 Availability : 0
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USD 1699.6473

Multiples of: 1

            
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