address:no. 2879 on dongfu avenue, haicang district, xiamen city, china rp
phone: 86 592 8772666
fax: 86 592 5367806
mobile phone: 86 18750222086; 86 18805926818
e-mail:shangwu03@dgslxm.com
product name: outdoor ac hv disconnector
item no.: spd105-12/1250-r-a-s-d stands for 12kv outdoor single-pole ac hv disconnector with rated current of 630a, silicon rubber insulator, with mounting bracket, stainless steel bolt and hardware.
technical date (spd105-12/1250)
technical date |
unit |
value |
||
rated voltage un |
kv |
12 |
||
rated current un |
a |
1250 |
||
rated frequency |
hz |
60 |
||
short time withstand current/duration |
ka/s |
31.5/4 |
||
rated withstand current(peak) |
ka |
80 |
||
power frequency withstand voltage, 50/60 hz/min |
to earth and between phase |
dry |
kv |
54 |
across the isolating distance |
dry |
kv |
62 |
|
lighting impulse withstand voltage |
to earth and between phase |
kv |
96 |
|
across the isolating distance |
kv |
109 |
||
creepage distance |
silicon insulator |
mm |
516 |
|
epoxy insulator |
mm |
410 |
||
porcelain insulator |
mm |
400 |
||
creepage ratio |
silicon insulator |
mm/kv |
43 |
|
epoxy insulator |
mm/kv |
34 |
||
porcelain insulator |
mm/kv |
33 |
||
mechanical endurance (number of close-open operations) |
time |
3000 |
||
altitude |
m |
≤3000 |
||
ambient temperature |
℃ |
-40~ 70 |