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PRODUCTS

Current transformer for anti-theft meter-EHC-VCT for Power supply
views:851time:2020-07-21 11:44:13
EHC-VCT  for Power supply
Features

Key Features/Application:


l  Suitable for power supply to 3-Terminals Voltage Regulator in anti-tampering electricity meter etc.

l  Wide rated primary current

l  Power-frequency Withstand Voltages: 4000V/1min, Insulation resistance: ≥1000MΩ/500Vdc;

l  Operating Temperature: -40℃85℃.


Specifications

Only few typical products of this series are shown in the following pages. EHC is capable of making other customized design and manufacturing per user request.

 

Specifications:

Model

Input Current/Output Voltage

Output Voltage

Rated Burden

EHC-VCT010

EHC-VCT107

0.5(120)A/≥4.6V

0.5A/≥4.6V

5.1KΩ

1(120)A/≥3.7V

1A/≥3.7V

1KΩ

1(40)A/≥3.7V

1A/≥3.7V

1KΩ

TIM圖片20200721114335.png



Typical Application

As shown in Figure 1, when the incoming and return line currents are not equal, for example, the zero line is disconnected, and the secondary winding of ehc-vct series current transformer generates the power supply for the normal operation of the watt hour meter, which can meet the power supply needs of the three terminal voltage regulator and can be used to prevent power stealing.


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Characteristic curve

0.5A/>3.2V 


TIM圖片20200721114432.png



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modelEHC-VCT for Power supply
Current transformer for anti-theft meter
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