參數(shù)名稱Parameter name

單位Unit

數(shù)值Value

額定電壓 Rated voltage

kV

1.14

額定電流 Rated normal current

A

125

額定頻率 Rated frequency

Hz

50

額定接通電流 Rated put through current

A

1250

額定分斷電流Rated breaking current

A

1000

極限分斷電流Limiting breaking current

A

1250

額定短時耐受電流Rated short-time withstand current

A

1000

機械壽命Mechanical endurance

萬次
Ten thousand

100

額定分斷次數(shù)
Rated breaking time

AC3類

萬次
Ten thousand

15

AC4類

萬次
Ten thousand

0.6

觸頭自閉力 Closing force due to bellow and atmosphere

N

20±10

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

N

50±20

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

μΩ

≤120

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

mm

2

貯存期
Storage period

年Year

20

內(nèi)部氣體壓力 Internal gas pressure

Pa

≤1.33×10ˉ³

項目Project

單位Unit

數(shù)值Value

觸頭開距 Contact stroke

mm

1.8±0.2

觸頭接觸行程 Contact travel

mm

1±0.2

平均分閘速度 Average opening speed

m/s

0.6±0.1

平均合閘速度 Average closing speed

m/s

0.3±0.1

額定觸頭壓力 Rated contact pressure

N

35±5

觸頭合閘彈跳時間
Contact closing bounce time

ms

≤2

合閘同期性 Closing same period

ms

≤2