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AC Series
Current Transformer Quick Reference Guide
3
I
P
:
Primary Current
R
L
:
Terminating Resistor
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
3) Each part number adjusted to be most accurate at specified load.
Low Cost 50/60Hz Current Transformers
Applications
Sensing Overload Current
Ground fault detection
Metering
Analog to Digital Circuits
Features
Excellent quality at extremely competetive price due to high
volume production
Manufactured in an ISO-9001 approved Talema facility
Electrical Specifications @ 20
°
C ambient
lex and Vex:
Excitation current & voltage at rated operating conditions
RCF:
Ratio correction factor - Multiply current readings by this factor to
compensate for transformer losses.
I - Turn
Primary
I
P
I
S
R
L
2
1
3
VL
Dimensions
s
r
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m
r
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f
s
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T
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C
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A
d
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C
A
.
o
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I
P
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(
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N
)
s
l
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F
C
R
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m
5
d
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s
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2
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a
p
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s
0
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0
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0
0
1
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)
s
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0
1
@
5
s
m
r
A
μ
s
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)
m
a
L
D
I
H
W
C
D
5
0
0
1
C
A
5
1
0
0
1
0
0
1
5
2
0
0
0
8
4
0
1
0
0
1
6
4
3
4
1
0
7
3
2
6
6
3
1
0
8
2
0
5
0
8
2
2
1
1
4
2
1
2
6
0
1
0
1
C
A
0
1
1
0
0
1
0
0
1
0
0
1
0
0
8
4
0
1
0
0
1
5
4
0
1
2
4
6
8
3
2
3
3
1
0
8
2
0
5
0
8
2
2
1
1
4
2
1
2
6
5
1
0
1
C
A
5
1
1
0
0
1
0
0
1
0
3
2
0
0
8
4
0
1
0
0
1
5
4
0
9
2
1
3
1
5
9
9
3
1
0
8
2
0
5
0
8
2
2
1
1
4
2
1
2
6
0
2
0
1
C
A
0
2
1
0
0
1
0
0
1
0
0
4
0
0
8
4
0
1
0
0
1
3
4
6
7
3
9
8
2
6
5
6
3
1
0
8
2
0
5
0
8
2
2
1
1
4
2
1
2
6
5
2
0
1
C
A
5
2
1
0
0
1
0
0
1
0
3
6
0
0
0
4
0
2
1
0
1
7
4
6
0
1
3
6
6
5
5
6
5
3
0
2
3
0
4
1
0
2
3
0
3
1
2
3
2
6
1
1
0
3
0
1
C
A
0
3
1
0
0
1
0
0
1
0
0
9
0
0
0
4
0
2
0
0
1
7
4
5
9
6
1
4
4
6
8
3
5
3
0
2
3
0
4
1
0
2
3
0
3
1
2
3
2
6
1
1
0
4
0
1
C
A
0
4
1
0
0
1
0
0
1
0
0
6
1
3
4
6
2
0
0
1
6
4
7
8
5
0
4
1
9
2
8
3
4
0
9
3
0
6
1
0
9
3
0
3
1
0
4
2
6
1
1
0
5
0
1
C
A
0
5
1
0
0
1
0
0
1
0
0
5
2
3
4
6
2
0
0
1
3
4
6
7
0
9
0
9
0
1
8
2
3
4
0
9
3
0
6
1
0
9
3
0
3
1
0
4
2
6
1
1
0
6
0
1
C
A
0
6
1
0
0
1
0
0
1
0
0
6
3
0
0
2
1
0
0
0
1
4
4
6
6
6
7
0
5
2
1
1
4
2
6
0
1
3
0
6
1
0
1
3
0
9
1
0
0
3
6
1
1
5
7
0
1
C
A
5
7
1
0
0
1
0
0
1
0
0
7
5
0
0
2
1
0
0
0
1
9
3
7
5
5
6
0
2
5
1
6
2
2
6
0
1
3
0
6
1
0
1
3
0
9
1
0
0
3
6
1
1
0
0
1
1
C
A
0
0
1
1
0
0
1
0
0
1
0
0
0
0
0
3
2
1
0
0
0
1
4
3
0
5
6
5
0
4
7
1
0
0
1
0
8
0
5
4
5
0
1
0
5
4
0
3
1
6
5
3
6
1
1
0
5
1
1
C
A
0
5
1
1
0
0
1
0
0
1
0
0
5
2
0
0
1
2
0
0
0
1
7
3
0
5
5
5
0
2
8
1
0
6
1
0
5
1
0
6
5
0
8
2
0
6
5
0
6
2
2
7
4
0
7
1
0
0
2
1
C
A
0
0
2
1
0
0
1
0
0
1
0
0
0
0
0
0
1
2
0
0
0
1
1
3
1
4
5
4
0
4
3
2
0
2
2
0
5
1
0
6
5
0
8
2
0
6
5
0
6
2
2
7
4
0
7
1
D
C
W
ID min.
2 3 1
H
L
5±1mm
TALEW/Y
AC1xxx
Design and Manufacturing Facilities
http://www.talema-nuvotem.com
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Co. Donegal
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é
ho 7
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http://www.talema-nuvotem.com
CT
’
s\ACCatalog 05-00
Terminal Diameter:
AC1005 - AC1020 -
0.813
AC1025 - AC1200 -
1.016