Secondary Wire Type Current Transformer, CT Metering

  • Secondary Wire Type Current Transformer, CT Metering
  • Secondary Wire Type Current Transformer, CT Metering
  • Secondary Wire Type Current Transformer, CT Metering
  • Secondary Wire Type Current Transformer, CT Metering
  • Secondary Wire Type Current Transformer, CT Metering
Secondary Wire Type Current Transformer, CT Metering

Easy fixing inside meter, mounted on the bottom case.
Strong insulation voltage between the primary and the secondary >4kV/1min
Attractive appearance, casing color is available on request.
Simple assembly, saving production cost.
Easy connection to the primary cables/bus bars of latching relay.

CT without DC Immunity

Current Transformer, as a current sensing part, has high accuracy, small phase shift, smart size and big measurement range. Comparing with other sensors like shunt, the cost is higher, but it’s more reliable and precise, so they are extensively used in the energy meter, electric devices with overload protection and ground detection as current sensing.

 

Features

  AC measurement capacity is 20% higher than rated current, 480A max.

  High Precision, suitable for kwh meter Class 0.2, Class 0.5, Class 1.0, Class 2.0.  

  Typical AC current measurement error is within 0.02% at lb test point.

  Typical phase displacement < 15′, additional compensation is not needed.

  Big load capacity, up to 100ohm for 0.1Class CT.

  Very reliable and stable performance at different temperature conditions.

  Good linearity, it support automatically software calibration.

  Different type for different fixing and assembly easily.

  Quick connection to PCB available on request.

  RoHS Compliance is available on request.

 

Characteristics

  Dielectric Strength between primary and secondary >4kV/1min.

  Insulation Resistance between primary and secondary >500MΩ(500VDC)

  Phase displacement < 15′, AC current error < ±0.1%.

  Load Capacity: 20Ωmax, work frequency: 20Hz~10KHz.

  Ambient Temperature: -40℃~+85℃ (-40℃~+115℃ on request).

  Relative Humidity:≤95% (25℃)  Altitude: ≤10000m.

 

CT with DC Immunity

Current Transformer with DC immunity has special double-core structure. One core is for AC measurement, the other is for DC. It can accurately measure current from 0.01A to 200A in the meter. DC immunity range is up to 160A. It can serve different types of meters like 40A, 60A, 80A, 100A, 120A, 150A, 200A. Meter accuracy can be up to Class 0.2, Class 0.5, Class 1.0, Class 2.0.

 

Features

  Special double-core structure

  AC measurement capacity is 20% higher than rated max current, 250A max.

  High Precision, suitable for kwh meter Class 0.2, Class 0.5, Class 1.0, Class 2.0.

  Typical meter measurement error with DC influence is within 2.5% for 0.1 Class CT.

  Small phase shift, typical phase displacement < 15′ and additional compensation is not needed.

  Very reliable and stable performance at different temperature conditions.

  Different type for different fixing and assembly easily.

  Quick connection to PCB available on request.

  RoHS Compliance is available on request.

 

Characteristics

  Dielectric Strength between primary and secondary >4kV/1min.

  Insulation Resistance between primary and secondary >500MΩ(500VDC)

  Phase displacement < 15′, AC current error < ±0.1%.

  Load Capacity: 20Ωmax, work frequency: 50Hz/60Hz.

  Ambient Temperature: -40℃~+85℃ (-40℃~+110℃ on request).

  Relative Humidity:≤95% (25℃)  Altitude: ≤10000m. 


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