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You are here: Home » Products » DC Immune Current Transformer » 20A DC Immune Current Transformer 2000:1 1.0class
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20A DC Immune Current Transformer 2000:1 1.0class

DC immune current transformer, Application and Features:
1. for electronic energy meters, single-phase and three-phase meters
2.The iron core is made of high quality ferrous amorphous alloy and nanocrystalline alloy material,
and the secondary wire is made of high strength electromagnetic enameled wire, fully epoxy resin seal, with high precision and good linearity.
3.The cases adopts imported flame retardant PBT material with good mechanical and electrical strength.
4.Small size, light weight, easy to install.

product description

Item : 20A DC immune CT 

Model No.: ZMXQD09 

1. Specification

Characteristics

Values

Operating frequency

50 Hz ~ 400 Hz

Operating temperature

-40 ~ 85

Relative humidity

95%

Rated primary current  Ip

1A

Maximum primary operating current Imax

20A

Testing current for DC component 20A/Root 2

3%

Rated second current

0.5mA

Transformation ratio

2000:1

User supplied burden resistor

30

HI-POT (center OD hold to leadwire)

3000Vrms, 1min.

Insulation resistance

>500MΩ/500Vdc

Current error value

±1%

 

2. Structure and Size

图片1

 

Leads out : UL AWG26, 300V Rating, 105℃. 1810mm long out of trafo with 10mm±3mm tinned ends

          Dimension unit: mm, Dismensional Tolerace: ±0.2mm(Unless specificed)

 3. Circuit Schmatic

图片2


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