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Haining AEM Import
& Export Co., Ltd is a custom CT5 rectangle supplier and OEM
CT5 rectangle company was
established in 2006.
This series of three-phase current transformers are mainly used in the copper row circuits but also in the cable circuit to transform the current of the circuit under test. The perforation size，
perforation spacing, and circuit breaker size can be installed in the loop at the lower end of the circuit breaker. The secondary signal output of the transformer may be a level 5A,1A, mA current
signal, or a voltage signal. It can be flexible for transformation according to the design. The output mode is the compression line terminal. With weak current or voltage signal output， overload
can reach 10 times and 20 times maximum.
Product size correspondence table
MODEL
A
D
L
h
H
W
a
B
CT5-100
45
35
98
64.5
73
43
18.5
20.5
CT5-250
45
35
111
72
80.5
43
20.5
25.5
CT5-400
45
48
150
94.5
103
43
30.5
35.5
General technical indicators
Technical index
Electrical parameters
Operating Voltage
<700V
Test voltage
3kV/1min
Working frequency
50〜60Hz
Rated instantaneous thermal current
60 times rated primary current (Ith)： 1s
Overload tolerance
Continuous 1.2 times rated current
Rated continuous thermal current
=2.55xlth
Terminals
M4 screw terminal
Aperture Center Distance
25,35,45mm
Operating temperature
-20°C-+85°C
Accuracy class
ClassO.5,1,3
A fixed way
Plug-in metal feet
Executive standard
IEC/EN60044-1
Basic characteristic parameters
MODEL
Specified load (VA)
Ratio rule
Class0.5
Class1
Class3
60/5
_
1
2
100/5
_
1.5
2.5
CT5-100
125/5
_
1.5
2.5
150/5
1.5
1.5
2.5
160/5
1.5
1.5
2.5
100/5
-
1-5
2
125/5
-
1.5
2.5
150/5
-
1.5
2.5
CT5-250
160/5
1.5
1.5
2-5
200/5
1.5
1.5
2.5
250/5
1.5
1.5
2.5
250/5
1.5
1.5
2.5
300/5
2.5
I 2.5
3.75
CT5-400
400/5
2.5
25
3.75
500/5
2.5
2.5
3.75
600/5
2.5
2-5
3.75
630/5
2.5
2.5
3.75
