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DP

DP
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Split core current transformers DP series:

The DP series of current transformers have been especially designed to facilitate their installation in new or already existing networks. Thanks to its split core they may be installed without opening any cable or bus bar circuit.
The connection of conventional CTs usually requires the interruption of the primary side circuit to pass cables or bus bars through the transformer core or to connect such cables to the primary terminals. The DP series transformers core may be easily opened and they may be installed and connected without any supply interruption, thus saving time and installation costs.

The main features of DP transformers are:
-Small size and easy mounting
-Wide inner window, allowing clamping of big cables or bus bars
-Wide range of sizes to accomodate all the existing installations
-High accuracy and reliability

 

Split core current transformers DP series:

Primary current:
Secondary current:
Standard approval:
Maximum voltage:
Frequency:
Rated load:
Class:
Short-time thermal current:
Rated security coefficient:
5A, 1A
IEC44-1, BS7626
0.72/3kV
50/60Hz
1VA-30VA
0.5, 1.0, 3.0
Ith=100 X In
FS<5

 

 

Model
A
B
C
D
E
F
G
H
I
Weight(kg)
DP-23
20
30
51
89
111
34
47
40
32
0.75
DP-58
50
80
78
114
145
32
32
32
33
0.90
DP-88
80
80
108
144
145
32
32
32
33
1.05
DP-812
80
120
108
144
185
32
32
32
33
1.25
DP-816
80
160
120
184
245
52
52
52
38
4.3

Technical data & Specification:

Model

Nominal current ratio
 
Class:0.5
VA

DP-23

100
-
150
-
200
-
250
-
300
1.5
400
2.5

DP-58

250
1.5
300
1.5
400
1.5
500
2.5
600
2.5
750
2.5
800
2.5
1000
5
DP-88
250
1.5
300
1.5
400
1.5
500
2.5
600
2.5
750
2.5
800
2.5
1000
5
DP-812
500
2.5
600
2.5
750
2.5
800
2.5
1000
6
1200
6
1250
7.5
1500
7.5
DP-816
1000
1.
1500
15
2000
15
2500
15
3000
20
4000
20
5000
20
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