參數名稱Parameter name

單位Unit

數值Value

額定電壓Rated voltage

kV

12

額定電流Rated normal current

A

630

額定頻率Rated frequency

Hz

50

額定接通電流Rated put through current

kA

6.3

額定分斷電流Rated breaking current

kA

5.04

極限分斷電流Limiting breaking current

kA

6.3

額定短時耐流電壓Rated short-time withstand current

kA

6.3

額定短時（1min）工頻耐壓
Rated short time power frequency withstand voltage (1min)

kV

42

額定雷電沖擊電壓
Rated lighting impulse voltage

kV

75

觸頭自閉力下的回路電阻
Contact automatic blocking ability loop electrical resistance

μΩ

≤100

電壽命Electricity life

萬次Ten thousand

25

機械壽命Mechanical endurance

萬次Ten thousand

50

觸頭自閉力Closing force due to bellow and atmosphere

N

70±30

額定開距時的觸頭反力
Force required to hold contacts open at full stroke

N

100±40

觸頭允許磨損厚度Contact -wear allowance thickness

mm

3

內部氣體壓力Internal gas pressure

Pa

≤1.33×10ˉ³

允許貯存期Storage period

年Year

20

項目Project

單位Unit

數值Value

觸頭開距Contact stroke

mm

6±1

觸頭接觸行程Contact travel

mm

2±0.5

平均合閘速度
Average closing speed

m/s

0.3±0.1

平均分閘速度Average opening speed

m/s

0.6±0.2

額定觸頭壓力
Rated contact pressure

N

100±20

觸頭合閘彈跳時間
Contact closeting bounce time

ms

≤2

合閘同期性
Closing same period

ms

≤1