參數名稱Parameter name

單位Unit

數值Value

額定電壓 Rated voltage

kV

1.14

額定電流 Rated normal current

A

250

額定頻率 Rated frequency

Hz

50

額定接通電流 Rated put through current

A

2500

額定分斷電流 Rated breaking current

A

2000

極限分斷電流 Limiting breaking current

A

2500

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

A

2000

機械壽命 Mechanical endurance

萬次Ten thousand

100

額定分斷次數
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

50±10

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

N

70±10

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

內部氣體壓力 Internal gas pressure

Pa

≤1.33×10ˉ³

項目Project

單位Unit

數值Value

觸頭開距Contact stroke

mm

2±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

100±20

觸頭合閘彈跳時間
Contact closing bounce time

ms

≤2

合閘同期性 Closing same period

ms

≤2