|
Description
|
Parameter
|
Unit
|
|
Rated voltage
|
3.6 7.2
12
|
KV
|
|
Rated frequency
|
50
|
HZ
|
|
Rated frequency
|
630
1250 2500 3150 4000
|
A
|
|
Rated power frequency withstand voltage
|
42/min
|
KV
|
|
Rated lightning impulse withstand voltage
|
75
|
KV
|
|
Rated lightning impulse withstand voltage (isolating fracture )
|
85
|
KV
|
rated short time power frequency withstand voltage ( isolating
fracture )
|
48
|
KV
|
|
Rated short time withstand current duration
|
4
|
S
|
|
Rated short time withstand current
|
20
25 31.5 40 50
|
KA
|
|
Rated short circuit breaking current
|
20
25 31.5 40 50
|
KA
|
|
Rated short circuit making current ( peak value )
|
100
|
KA
|
|
Rated peak withstand current
|
40
50 63 80 100 125
|
KA
|
|
Rated short circuit duration
|
4
|
ms
|
|
Auxiliary power supply voltage
|
AC/DC220 AC/DCDC110
|
V
|
|
Altitude
|
1000 meter, when the altitude is higher than 1000 meter, need
to be revised
;
when the
altitude is not higher 2000 meters, secondary auxiliary equipment do not
need to take any measures.
|
|
|
Ambient temperature
|
not
higher than 40
℃,
not less than
-25
℃
|
|
|
Air humidity
|
Daily
average not more than 95%
,
monthly
average value not more than 90%
|
|
|
Earthquake intensity
|
Not
more than 8 degrees
|
|
|
Outline dimensions (width * depth* height )
|
Cable incoming & outgoing line 800
(
1000
)
*1500*2300
|
mm
|
|
Overhead incoming & outgoing line 800
(
1000
)
*1660*2300
|
|
Equipment weight
|
700~1200
|
kg
|
|
Level of protection
|
When each compartments or breaker room door are open, IP2X
|
|
Remarks: When rated current ≤3150 A, overhead incoming &
outgoing line, the depth of cabinet shall be 1660, but when the rated current
>3150 A, the depth of cabinet shall be 1760.
|
