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
  
                
PA1005.050QNL


Current Transformers CURRENT SENSE 1:50 AECQ SMD
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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 Availability : 0
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USD 1.1465

Multiples of: 1

            
HM33-10070


Current Transformer 1:70 0.005Ohm Prim. DCR 4.75Ohm Sec. DCR 6000mA Prim. 6Term. Gull Wing SMD
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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.

TT Electronics Availability : 0
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USD 1.1522

Multiples of: 7500

            
CSE184L


Current Transformers CSE184L - LOW FREQUENCY CURRENT SENSE TRANSFORMER .05 to 1 AMP @ 50 to 400Hz
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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 Availability : 0
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USD 1.1841

Multiples of: 126

Through_Hole-1 A1:16.6723 OhmsRadial24 mm21.5 mm18 mm 50 Hz to 400 Hz 
CT04-050


Current Transformers SMT Current Sense Xfmr 20A, 1:50
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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.

ICE Availability : 0
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USD 1.2197

Multiples of: 1

Smd/Smt352 uH20 A1:5090 mOhmsSmd/Smt8.13 mm6.9 mm4.1 mm 1 MHz 
SL-SB


Switching lock, for additional locking of short-circuit switching elements in current transformer measuring circuits, length: 16.3 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.

Phoenix Contact Availability : 0
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USD 1.2247

Multiples of: 1

            
FC-SCT1010-1:100T-40A


1:100 40A SMD Current Sense Transformers ROHS
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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.

FANGCHENG Availability : 0
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USD 1.2253

Multiples of: 1

  40 A         
P8208NL


P8208NL yageo
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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.

Yageo Availability : 0
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USD 1.2312

Multiples of: 1

            
CT120B


Current Sense Transformers ROHS
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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.

ZHT Availability : 0
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USD 1.2344

Multiples of: 1

            
FC-SCT1010-1:150T-40A


1:150 40A SMD Current Sense Transformers ROHS
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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.

FANGCHENG Availability : 0
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USD 1.2413

Multiples of: 1

  40 A         
ZHTM204


Plugin Current Sense Transformers ROHS
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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.

ZHT Availability : 0
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USD 1.2416

Multiples of: 1

            
ZHTCT903


2000:1 5A 0.02kHz~10kHz Plugin Current Sense Transformers ROHS
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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.

ZHT Availability : 0
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USD 1.2505

Multiples of: 1

  5 A       0.02 KHz ~ 10 KHz 
HCT-1(80)AH


- Current Transformers ROHS
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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.

Hop Tech Availability : 0
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USD 1.2512

Multiples of: 1

  1 A       0.02kHz ~ 10kHz 
HCT129A


2000:1 20A 0.02kHz~10kHz Bolt Mount Current Transformers ROHS
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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.

Hop Tech Availability : 0
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USD 1.2671

Multiples of: 1

  20 A       0.02kHz ~ 10kHz 
74002


Transformer: impulse; 85/265VAC; 9÷18V; 500mA; Mounting: PCB; 6W
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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.

Myrra Availability : 0
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USD 1.2761

Multiples of: 1

  500 mA         
74000


Transformer: impulse; 85/265VAC; 3.3÷7V; 8÷17V; 1.2A; 400mA; 5W
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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.

Myrra Availability : 0
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USD 1.2792

Multiples of: 1

  1.2 A         
CT04-125


Current Transformers SMT Current Sense Xfmr 20A, 1:125
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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.

ICE Availability : 0
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USD 1.2835

Multiples of: 1200

Smd/Smt2.2 mH20 A1:1255 OhmsSmd/Smt8.13 mm6.9 mm4.1 mm 1 MHz 
HCT204KFH


- Current Transformers ROHS
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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.

Hop Tech Availability : 0
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USD 1.2971

Multiples of: 1

  5 A       0.02kHz ~ 10kHz 
HPT205NBJ-1


- Current Transformers ROHS
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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.

Hop Tech Availability : 0
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USD 1.3071

Multiples of: 1

  2 mA       0.02kHz ~ 10kHz 
V50206


Transformer: impulse; power supply; 12V; 5V; 21.7x22.5x17.1mm; 8W
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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 Availability : 0
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USD 1.3513

Multiples of: 1

            
ZHTCT701A


Plugin Current Sense Transformers ROHS
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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.

ZHT Availability : 0
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USD 1.3523

Multiples of: 1

            
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