Specifications are subject to change without notice TAD2 TAD3DS 0703
1
Cable/bus-bar type current transformer
DIN-rail, bus-bar and panel mounting facility
TAD2: 0.5 class, currents from 150 to 500 A
TAD3: 0.5 class, currents from 150 to 600 A
Product Description
Model
Primary current
Secondary current
Ordering Key
Cable/Bus-bar type current
transformer with DIN-rail/bus-
bar and panel mounting faci-
lity. Rated primary currents
from 40 A to 600 A.
Accessories
Current Transformer, 1-Phase AC
Type TAD 2, TAD 3
Type Selection
Primary Current
Refer to Range Table
Model
TAD2:
Bus-bar size:
20 x 8 mm
TAD3: Bus-bar size:
21 x 14 mm,
31 x 11 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 (bracket
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 diameter
Max. 22 mm
Bus-bar size
TAD 2:
20 x 8 mm
TAD 3:
21 x 14 mm or
31 x 11 mm
General Specifications
TAD2100A 5A
TAD2
TAD3
2
Specifications are subject to change without notice TAD2 TAD3DS 0703
Dimensions (mm)
Wiring Diagram
Range Table
Rated
Rated secondary current 1 A/5 A
Primary
Class 0.5
1)
Class 1
1)
Class 3
1)
Current
Burden
Burden
Burden
40 A
-
-
3 VA
50 A
-
-
3 VA
60 A
-
-
3 VA
80 A
-
-
3 VA
100 A
-
3 VA
4 VA
150 A
3 VA
4 VA
6 VA
200 A
3 VA
4 VA
6 VA
250 A
5 VA
8 VA
10 VA
300 A
5 VA
8 VA
10 VA
400 A
5 VA
8 VA
10 VA
500 A
5 VA
8 VA
10 VA
TAD2:
TAD3:
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
100 A
-
3 VA
150 A
3 VA
4 VA
200 A
3 VA
4 VA
250 A
5 VA
8 VA
300 A
5 VA
8 VA
400 A
6 VA
10 VA
500 A
6 VA
10 VA
600 A
6 VA
10 VA
TAD2, TAD3
Output secondary
L
N
TAD2
TAD3
44
44
Standard Accessories
- Sealable plastic cover for
terminal block
- Brackets for panel mount-
ing
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