額定電壓
Rated voltage
kV
12
24
額定頻率
Rated frequency
Hz
50/60
50/60
額定短時工頻耐壓
Rated power-frequency withstand voltage
kV
42
65
額定雷電沖擊耐壓
Rated lightning impulse withstand voltage
kV
75
125
額定峰值耐受電流
Rated peak withstand current
up to kA
63
50
額定短路關(guān)合電流
Rated short-circuit making current
up to kA
63
50
額定短時耐受電流
Rated short-time withstand current
2 s
up to kA
25
20
4 s
up to kA
20
20
額定短路開斷電流
Rated short-circuit breaking current
up to kA
25
20
額定母線電流
Rated normal current for busbar
up to A
630
環(huán)境溫度
Ambient air temperature
不帶二次設(shè)備
Without secondary equipment
°C
-25/-40* to +70
帶二次設(shè)備
With secondary equipment
°C
-5/-15*/-25* to +55
存儲 / 運輸
Storage/transport
°C
-40 to +70
防護等級
Degree of protection
一次部分
Primary part
IP67
柜體外殼
Switchgear
IP2X / IP3X
二次部分
Secondary part
IP3X / IP4X
內(nèi)部燃弧等級*
IAC*
靠墻安裝
Wall-standing arrangement
A FL up to 21kA (1s)
自由安裝*
Free-standing arrangement*
A FLR up to 21kA (1s)
