|
Order Code |
UAN12A |
|
Frame |
A frame |
|
Rated current (In max at 40˚C) (A) |
1,250 |
|
Rated operating voltage (Ue) (V) |
AC690 |
|
Rated insulation voltage (Ui) (V) |
AC1,000 |
|
Frequency (Hz) |
50/60 |
|
Number of poles |
3, 4 |
|
Current setting range (….. x In max) |
0.4 - 1.0 |
|
Rated current of neutral pole (…..% x In) |
100% |
|
Rated breaking
capacity
(Icu)
(kA sym) |
IEC 60947-2
category “B”
KS C 4620 |
AC690/600/550V |
65 |
|
AC500/480/460V |
85 |
|
AC415/380/230/220V |
85 |
|
Rated service breaking capacity (…..% x Icu) |
100% |
|
Rated making
capacity
(Icm)
(kA peak) |
IEC 60947-2
category “B”
KS C 4620 |
AC690/600/550V |
143 |
|
AC500/480/460V |
187 |
|
AC415/380/230/220V |
187 |
|
Rated short-time capacity
(Icw)
(kA, without Inst.) |
1 sec |
65 |
|
2 sec |
60 |
|
3 sec |
50 |
|
Rated impulse withstand voltage (Uimp) (kV) |
12 |
|
Maximum total breaking time (ms) |
40 |
|
Closing operating time |
Motor charging time (sec) max. |
10 |
|
Closing time (ms) max. |
80 |
|
Life cycle (times) |
Mechanical |
Without maintenance |
20,000 |
|
With maintenance |
30,000 |
|
Electrical |
Without maintenance |
5,000 |
|
With maintenance |
10,000 |
|
Weight (kg) |
3 pole |
Draw-out type |
63 |
|
Fixed type |
34 |
|
4 pole |
Draw-out type |
84 |
|
Fixed type |
44 |
|
External dimension
(mm)
(WxHxD, except busbar) |
3 pole |
Draw-out type |
328
x 460 x 368 |
|
Fixed type |
337
x 404 x 296 |
|
4 pole |
Draw-out type |
413
x 460 x 368 |
|
Fixed type |
422
x 404 x 296 |
