3.3.2.1 Current Ranges of the WIC1-CTs
W6
256 ... 896 A 896 ... 17920 A
W5
128 ... 448 A 448 ... 8960 A
W4
64 ... 224 A 224 ... 4480 A
W3
32 ... 112 A 112 ... 2240 A
W2
16 ... 56 A 56 ... 1120 A
WE2
800 : 1
400 : 1
200 : 1
100 : 1
50 : 1
50 : 1
16 ... 56 A 56 ... 1120 A
I [A]
5
10 20 40 80 160 320 640 1280 2560 5120 10240 20480
WIC1WxAS1_Z04
2.5
1p min – 0.35⋅In,min
(*)
Primary Nominal Current
Short-Circuit Current
Short-Term Overload
6 A
90 A
45 A
23 A
12 A
6 A
Fig. 18:
Current Ranges for the WIC1-compatible CTs.
* 1p min: Via DiggiMEC/Smart view, the WIC1 can be functional starting at 0.35 In
,min
(1-
phase supply). The related setting values, however, cannot be set via DIP/HEX switches.
The current ranges for the WIC1-compatible CTs are as follows:
CT Type 3p min
(*)
(Min.
Supply
in 3
Phases)
[A]
1p min
(*)
(Min.
Supply
in 1
Phase)
[A]
In
min
[A]
Range of In
(**)
[A]
Short-Circuit
Range
(***)
[A]
Continu‐
ous Ther‐
mal With‐
stand
[A]
Short-Term
Overload
(approx. 1 s)
[A]
W2 4 6 16 16 … 56 56 … 1120 ≤ 140 1120 … 25000
WE2 4 6 16 16 … 56 56 … 1120 ≤ 140 1120 … 25000
W3 8 12 32 32 … 112 112 … 2240 ≤ 280 2240 … 25000
W4 16 23 64 64 … 224 224 … 4480 ≤ 560 4480 … 25000
W5 32 45 128 128 … 448 448 … 8960 ≤ 1120 8960 … 25000
W6 64 90 256 256 … 896 896 … 17920 ≤ 2240 17920 … 25000
• (*) See also Technical Data, ╚═▷ “9.1.6 Power Supply”.•
•
(**) Primary Rated CT Current in Ampere, see also ╚═▷ “11.1.3.1 DIP-/HEX-Switch
•
Settings for CT Types W2, WE2”.
• (***) The measuring range of the WIC1 ends at the maximum short-circuit current.•
Beyond this value there is no more increase of the device-internal measured value.
69WIC1WIC1-1.0-EN-MAN
3 Hardware
3.3.2.1 Current Ranges of the WIC1-CTs