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AC1020
20 Amp Current Transformer
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0.01
0.1
1
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100
O
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10
100
Input Current in Amps
Output Volts vs Input Current
For various ohmic loads
50
100
200
500
1K
2K
5K
10K
Infinity
0.1
1
10
100
S
0.01
0.1
1
10
100
1000
Sec RMS Exciting current in mA
Typical Excitation Curve
(AC1005~AC1020)
10
100
1000
10000
L
0
200
400
600
800
1000
Percent ratio error in %
%RE vs RL at Rated primary current
(AC1020)
Notes:
1) Unless requested, the terminating resistor and the one-turn
primary are not supplied
2) Pin 3: Normally for mechanical support only but will be
used on center tapped designs
I - Turn
Primary
1/8W
100 ohms
2
1
2.0V
20A
20mA
R
L
Low Cost 50/60Hz Current Transformers
Applications
Sensing Overload Current
Ground fault detection
Metering
Analog to Digital Circuits
Electrical Specifications @ 20
°
C ambient
Dimensions
11.12
5±1mm
TALEW/Y
AC1020
9.50
2 3 1
2
23.80
7
Germany: Int.+4989-841 00-0
Ireland: Int.+35 375-48 666
Czech Rep: Int.+420 19-744 9303
India: Int.+91 427-341 950
http://www.talema-nuvotem.com
CT
’
s\ACCatalog 05-00
0.813
7.62
15.24
1.75