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70
Pack
Cat. Nos.
Single phase current transformers (CT)
Used with ammeters, electricity meters or
multi-function measuring units
Provide a 0 to 5 A current at the secondary,
proportional to the primary current
For fixing on plates, EN 60715
4
rail
Cat. Nos. 0046 31/34/36, or bars
Secondary connected by terminals or lugs
Precision class 1%
For 16 x 12 . 5 mm bar and Ø21 mm cable
Transformation ratio
Output (VA)
1
0046 31
50/5
1. 25
1
0046 34
100/5
2 . 5
1
0046 36
200/5
5 . 5
For 20 . 5 x 12 . 5 and 30 x 10 . 5 mm bar and
Ø23 mm cable
1
0047 75
300/5
11
For 40 . 5 x 10 . 5 mm bar and Ø35 mm cable
1
0046 38
400/5
12
For 65 x 32 mm bar
1
0047 76
600/5
12
1
0047 77
800/5
15
1
0047 78
1000/5
20
For 84 x 34 mm bar
1
0047 79
1250/5
15
For 127 x 38 mm bar
1
0046 45
1500/5
15
1
0046 46
2000/5
20
For 127 x 54 mm bar
1
0047 80
2500/5
50
1
0046 48
4000/5
50
Three phase current transformers (CT)
Used with ammeters, electricity meters or
multi-function measuring units
Provide a 0 to 5 A current at the secondary,
proportional to the primary current
For fixing directly on bars
Secondary connected by terminals or lugs
Precision class 1%
For three 20 . 5 x 5 . 5 mm bars
Transformation ratio
Output (VA)
1
0046 98
250/5
3
For three 30 . 5 x 5 . 5 mm bars
1
0046 99
400/5
4
0047 79
n
Current transformers (CT)
Technical information
Degree of protection : IP 20
Operating frequency : 50/60 Hz
Dimensions
• Single phase CTs
Cat. Nos. 0046 31/34/36 for 16 x 12 . 5 mm bar and Ø21 mm cable
Fixing on EN 60715 rail
65
44
47,5
30
Cat. Nos. 0047 76/77/78 for 65 x 32 mm bar
Cat. No. 0047 79 for 84 x 34 mm bar
Fixing on bar
Cat. Nos. 0046 45/46 for 127 x 38 mm bar
Cat. Nos. 0047 80 and 0046 48 for 127 x 54 mm bar
Fixing on bar
• Three phase CT
Cat. No. 0046 98 for three 20 . 5 x 5 . 5 mm bars
Cat. No. 0046 99 for three 30 . 5 x 5 . 5 mm bars
Fixing on bar
Determination of the max. distance between CT and meter
Cat. Nos.
A B C D Ø Fixing centres
on plate
0047 75
56 42 94 50 23
50 x 45
0046 38
77 46 107 54 35
54 x 45
Cat. Nos.
A B C D
0047 76/77/78
90 90 94 40
0047 79
96 87 116 58
Cat. Nos.
A B
0046 45/46
99 58
0046 48/0 047 80
125 40
Cat. Nos.
A B C
0046 98
107 58 . 5 25
0046 99
135 66 . 5 30
Cat. Nos.
Max. power
of CT
Meter
consump.
(W)
Max. loss in
capac. (VA)
Max. distance bet. CT & meter (m)
Wiring
2 . 5 mm
2
Wiring
4 mm
2
Wiring
6 mm
2
0046 31
1 . 25
0 . 5
0 . 75
1 . 8
2 . 7
3 . 9
0046 34
2 . 5
0 . 5
2
4 . 9
7 . 1
10 . 4
0046 98
3
0 . 5
2 . 5
6 . 1
8 . 9
13
0046 99
4
0 . 5
3 . 5
8 . 5
12 . 4
18 . 1
0046 36
5 . 5
0 . 5
5
12 . 2
17 . 8
25 . 9
0047 75
11
0 . 5
10 . 5
25 . 5
37 . 3
54 . 4
0046 38
0047 76
12
0 . 5
11 . 5
28
40 . 8
59 . 6
0047 77/79
0046 45
15
0 . 5
14 . 5
35 . 3
51 . 5
75 . 2
0046 46
0047 78
20
0 . 5
19 . 5
47 . 4
69 . 3
101 . 1
0047 80
0046 48
50
0 . 5
49 . 5
120 . 4
175 . 8
256 . 7
C
D
B
45
A
A
C
B
D
160
B
87
A
C
9
B
37
A
56
Cat. No. 0047 75 for 20 . 5 x 12 . 5 and 30 x 10 . 5 mm bar and Ø23 mm cable
Cat. No. 0046 38 for 40 . 5 x 10 . 5 mm bar and Ø35 mm cable
Fixing on EN 60715 rail or on plate
current transformers CT