About Current Transformers

Lumel 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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LCTR-4514400030A51


Current transformer; Series: LCTR; I AC:30A; 1VA; 5A; Class: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.

LUMEL 45
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USD 20.4887
Multiples of: 1

            
LCTB-5030300600A55


Current transformer; Series: LCTB; I AC:600A; 5VA; 5A; Class:0,5
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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.

LUMEL 41
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USD 17.4447
Multiples of: 1

            
LCTB-5030300250A55


Current transformer; Series: LCTB; I AC:250A; 5VA; 5A; Class:0,5
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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.

LUMEL 28
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USD 19.0964
Multiples of: 1

            
LCTB-7440450250A55


Current transformer; Series: LCTB; I AC:250A; 5VA; 5A; Class:0,5
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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.

LUMEL 27
Ships to you
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USD 36.3363
Multiples of: 1

            
LCTB-5030300150A55


Current transformer; Series: LCTB; I AC:150A; 2.5VA; 5A; Class:0,5
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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.

LUMEL 21
Ships to you
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USD 17.3628
Multiples of: 1

            
LCTB-5030300400A55


Current transformer; Series: LCTB; I AC:400A; 5VA; 5A; Class:0,5
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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.

LUMEL 15
Ships to you
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USD 17.2672
Multiples of: 1

            
LCTB-7450450600A52


Current transformer; Series: LCTB; I AC:600A; 7.5VA; 5A; Class:0,2
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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.

LUMEL 15
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USD 32.2549
Multiples of: 1

            
LCTB-4521400050A51


Current transformer; Series: LCTB; I AC:50A; 1.5VA; 5A; Class: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.

LUMEL 14
Ships to you
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USD 20.0518
Multiples of: 1

            
LCTB-6240400250A55


Current transformer; Series: LCTB; I AC:250A; 2.5VA; 5A; Class:0,5
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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.

LUMEL 14
Ships to you
between Fri. 03 May to Thu. 09 May Calender.png

USD 24.1195
Multiples of: 1

            
LCTB-6240400800A55


Current transformer; Series: LCTB; I AC:800A; 10VA; 5A; Class:0,5
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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.

LUMEL 11
Ships to you
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USD 24.2287
Multiples of: 1

            
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