Specifications are subject to change without notice
1
Cable/bus-bar type current transformer
DIN-rail, bus-bar and panel mounting facility
TAD4: class 0.5, currents from 200 to 800 A
TAD 6: class 0.5, currents from 400 to 2000 A
Product Description
Model
Primary current
Secondary current
Ordering Key
TAD4 200A 5A
Cable/bus-bar type current
transformer with DIN-rail/bus-
bar and panel mounting facili-
ty. Rated primary currents from
100 A to 2000 A.
Accessories
Current Transformer, 1-Phase AC
Type TAD 4, TAD 6
Type Selection
Primary current
Refer to Range Table
Model
TAD4:
Cable diameter:
max. 32 mm
Bus-bar size:
32 x 16 mm
41 x 11 mm
TAD6: Cable diameter:
max. 52 mm
Bus-bar size:
55 x 22 mm
65 x 20 mm
Rated secondary current
5 A standard
1 A on request
Output Specifications
Input Specifications
Operating frequency
40 to 60 Hz
Max. system voltage
0.72 kV
Rated insulation level
3 kV / 1 min. @ 50 Hz
Short-time current rating
I
th
Typical 100 I
n
/ 1 s
I
dyn
2.5 I
th
The short-time thermal cur-
rent I
th
is anyway limited by
the cable/bus-bar size
Extended current rating
120%
Security factor (FS)
5
Standards
According to IEC 60185
Housing
ABS, self-extinguishing:
UL 94 V-0
Mounting
DIN-rail 46277/bus-bar
and panel mounting (brackets
supplied with the CT)
Standard accessories
Screws + washers for
secondary terminals
Brackets for panel mounting
Screws for cable/bus-bar
mounting
Sealable terminal block cover
Special features
1 A secondary current
Double ratio obtained on the
secondary
Tropicalization
Cable diameters
TAD 4:
max. 32 mm
TAD 6:
max. 52 mm
Bus-bar size
TAD 4:
32 x 16 mm or
41 x11 mm
TAD 6:
55 x 22 mm or
65 x 20 mm
General Specifications
TAD4
TAD6
2
Specifications are subject to change without notice
Dimensions (mm)
Wiring Diagram
Range Table
Rated
Rated secondary current 1 A/5 A
Primary
Class 0.5
1)
Class 1
1)
Current
Burden
Burden
100 A
-
3 VA
150 A
-
3 VA
200 A
4 VA
-
250 A
6 VA
-
300 A
6 VA
-
400 A
10 VA
-
500 A
10 VA
-
600 A
10 VA
-
800 A
10 VA
-
1)
The accuracy class is depending on the burden output. For the same rated primary current, the higher the burden the lower the
class (class down-grade).
Rated
Rated secondary current 1 A/5 A
Primary
Class 0.5
1)
Class 1
1)
Current
Burden
Burden
400 A
6 VA
12 VA
500 A
6 VA
12 VA
600 A
10 VA
20 VA
800 A
10 VA
20 VA
1000 A
20 VA
40 VA
1200 A
20 VA
40 VA
1500 A
30 VA
60 VA
2000 A
30 VA
60 VA
TAD 4:
TAD 6:
TAD 4, TAD 6
Output (Secondary)
L
N
TAD4
TAD6
44
44
Standard Accessories
- Sealable plastic cover for
terminal block
- Brackets for panel mount-
ing
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