TL 79 Series, Vertical Mounting Current Transformer
TL79 Series
Low cost
Four different case sizes
Non-symmetrical mounting pattern
Epoxy encapsulated
Frequency: 50 to 400Hz
Insulation resistance: 100M Ohm @500Vdc
Dielectric strength: 1500Vac
Ideal for current measurement and current relaying
Part No
Dimension mm / inch
Fig
A
B
C
D
E
F
G
H
I
J
K
L
TL79-1
23.7/0.93
11.2/0.4
25.2/0.99
6.7/0.26
5/0.2
15.24/0.6
19/0.75
9.5/0.37
1/0.04
--
--
--
1
TL79-2
26.2/1.03
17.2/0.8
28.21/1.1
9.0/0.35
5/0.2
15.24/0.6
19/0.75
15.24/0.6
1/0.04
--
--
--
1
TL79-3
37.5/1.48
14/0.55
39.0/1.54
12.8/0.5
5/0.2
25.4/1.0
33/1.30
12.7/0.50
1/0.04
--
--
--
1
TL79-4
50.0/1.69
20/0.79
56.2/2.21
19.6/0.77
5/0.2
30.0/1.18
60/2.36
10.0/0.39
1/0.04
1.2/0.05
1.5/0.06
81/3.19
2
Tolerance
mm/inch
max.
max.
max.
min.
±
1.0/
0.04
±
0.3/
0.01
±
0.3/
0.01
±
0.5/
0.02
±
0.1/
0.00
±
0.2/
0.00
±
0.3/
0.01
max.
Part No
Rated Current
Current Ratio
Phase Shift
Accuracy Class
TL79-1-00
10A
10A/4mA
±
5
′
0.1
TL79-2-00
40A
40A/16m
±
10
′
0.1
TL79-2-00
40A
40A/16m
±
20
′
0.2
TL79-3-00
120A
120A/48m
±
30
′
0.1
TL79-3-00
120A
120A/48m
±
60
′
0.2
TL79-4-00
200A
200A/100
±
60
′
0.1
TL79-4-00
200A
200A/100
±
120
′
0.2
