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current transformer 30a

Current Transformers(CTs) are used in the panel building, generator, wind power. Current Transformers can perform circuit control, measure current for power measurement and control, and perform roles for safety protection and current limiting. More

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ALH-0.6630I30/11R0.1VA1T

1A transformers 30×10mm transformer

Manufacturer P/N: ALH-0.6630I30/11R0.1VA1T

Brand: Siemens APT

Parameters: I bus bar or tube type | 30×10mm | 30A | 1A | 1.0 | 0.1VA

CMC, RoHS

US $10.95 /Piece

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ALH-0.6640I30/10.5R0.1VA1T

40×10mm current tranformers 1A current transformers

Manufacturer P/N: ALH-0.6640I30/10.5R0.1VA1T

Brand: Siemens APT

Parameters: I bus bar or tube type | 40×10mm | 30A | 1A | 0.5 | 0.1VA

CMC, RoHS

US $10.77 /Piece

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ALH-0.66M8-I30/51R2.5VA

5A transformers 30A mutual inductor

Manufacturer P/N: ALH-0.66M8-I30/51R2.5VA

Brand: Siemens APT

Parameters: M-I terminal connecting type | 30A | 5A | 1.0 | 2.5VA

CMC, RoHS

US $13.47 /Piece

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ALH-0.66M8-I30/10.5R0.4VA

1A current transfomers 30A mutual inductors

Manufacturer P/N: ALH-0.66M8-I30/10.5R0.4VA

Brand: Siemens APT

Parameters: M-I terminal connecting type | 30A | 1A | 0.5 | 0.4VA

CMC, RoHS

US $15.78 /Piece

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ALH-0.66M8-II30/51R2.5VA

5A current tranformers 2.5VA current transformers

Manufacturer P/N: ALH-0.66M8-II30/51R2.5VA

Brand: Siemens APT

Parameters: M8-II terminal conecting type | 30A | 5A | 1.0 | 2.5VA

CMC, RoHS

US $12.70 /Piece

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ALH-0.66M8-II30/10.5R0.4VA

0.5 current tranformers 1A current mutual inductors

Manufacturer P/N: ALH-0.66M8-II30/10.5R0.4VA

Brand: Siemens APT

Parameters: M8-II terminal conecting type | 30A | 1A | 0.5 | 0.4VA

CMC, RoHS

US $15.01 /Piece

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ALH-0.66D1230/10.5R0.1VA

0.1VA current mutual inductors 1A current tranformers

Manufacturer P/N: ALH-0.66D1230/10.5R0.1VA

Brand: Siemens APT

Parameters: Ø-II tube type | 30A | 1A | 12mm | 0.5 | 0.1VA

CMC, RoHS

US $14.62 /Piece

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ALH-0.66D2230/10.5R0.1VA

0.1VA current tranformers Ø-II tube type current transfomers

Manufacturer P/N: ALH-0.66D2230/10.5R0.1VA

Brand: Siemens APT

Parameters: Ø-II tube type | 30A | 1A | 22mm | 0.5 | 0.1VA

CMC, RoHS

US $14.62 /Piece

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ALH-0.66D830/11R0.1VA

1A current transformers Ø-II tube type current tranformers

Manufacturer P/N: ALH-0.66D830/11R0.1VA

Brand: Siemens APT

Parameters: Ø-II tube type | 30A | 1A | 8mm | 1.0 | 0.1VA

CMC, RoHS

US $13.85 /Piece

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ALH-0.66D1530/11R0.1VA

1A current tranformers 15mm mutual inductors

Manufacturer P/N: ALH-0.66D1530/11R0.1VA

Brand: Siemens APT

Parameters: Ø-II tube type | 30A | 1A | 15mm | 1.0 | 0.1VA

CMC, RoHS

US $13.85 /Piece

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Quisure.com offers 10 current transformer 30a products, About 100% of these are Current Transformer.

These products have different characteristics and advantages. A wide variety of current transformer 30a options are available to you.

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current transformer 30a products are most popular in South Asia, East Africa, Southeast Asia, and South Europe.

These products have obtained certified, such as CE, UL, TUV, CB, RoSH, CCC certification to ensure the product safety.

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FAQ

1. What are CT and PT in transformer?

CT means current transformers, which main are used in clamp meters to measure current. PT means potential transformer, which main are used in high voltage. Sometimes names transformer Voltage.


2. What is difference between CT and PT?

Both are instrumentation transformers. CT measures current PT measures voltage. CT is used in clamp meters. PTs measure high voltages. They both bring the measured values down to a standard of 5 ampere or 110 Voltage.


3. What is current transformer burden?

The secondary load of a current transformer is usually called the burden or Current Transformer Ratio, to distinguish it from the load of the circuit whose current is being measured. The burden, in a CT is the impedance presented to its secondary winding.


4. What is current transformer ratio?

Current transformers are transformers used to step down the current level of high-power transmission systems to measure or monitor the current levels. As a consequence, we use CTs to step down the current levels to measure it.

The CT ratio is the ratio of primary current input to secondary current output at full load. For examples, a CT with a ratio of 500:5 is rated for 500 primary amps at full load and will produce 5 amps of secondary current when 500 amps flow through the primary.


5. Why do we use current transformer?

A current transformer (CT) is a type of transformer that is used to reduce or multiply an alternating current (AC). It produces a current in its secondary which is proportional to the current in its primary. Engineers can calculate the primary current value by the secondary current and the current transformer ratio.