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              接触器用真空灭弧室
              HVJ5-1.14/125(160)

              HVJ5-1.14/125(160) vacuum interrupter for vacuum contactor

              1. 主要技术参数 Main technique parameter

              No.

              参数名称 Parameter name

              单位 Unit

              数值 Value

              1.

              额定电压 Rated voltage

              KV

              1.14

              2.

              额定电流 Rated current

              A

              125

              160

              3.

              额定频率 Rated frequency

              Hz

              50

              4.

              额定接通电流 Rated making current

              A

              1250

              1600

              5.

              额定分断电流 Rated breaking current

              A

              1000

              1280

              6.

              极限分断电流 Limiting breaking current

              A

              1250

              1600

              7.

              额定短时耐受电流 Rated short time withstand current

              A

              1000

              1280

              8.

              额定短时工频耐压 Rated short time power frequency withstand voltage (1 minute)

              KV

              10

              9.

              机械寿命 Mechanical life

              104

              Operations

              100

              10.

              额定分断次数 Rated breaking operations

              AC3

              104

              Operations

              15

              AC4

              104

              Operations

              0.6

              11.

              触头自闭力 Automatic closing force of the contacts

              N

              25±10

              12.

              额定开距时的触头反力 Force required to hold the contacts opening at full stroke

              N

              40±10

              13.

              触头自闭力下的回路电阻 Circuit resistance under minimum contacts force

              μΩ

              ≤120

              14.

              触头允许磨损厚度 Limiting abrasion thickness of the contacts

              mm

              2

              15.

              允许储存期Storage life

              Year

              20

              16.

              内部气体压力 Internal gas pressure

              Pa

              ≤1.33×10-3

               

              2. 配用接触器的机械参数 Vacuum contactor technical specifications

              No.

              项目 Items

              单位 Unit

              数值 Value

              1.

              触头开距 Clearance between opening contacts

              mm

              1.8±0.2

              2.

              触头接触行程 Contacts travel

              mm

              1±0.2

              3.

              平均分闸速度 Average opening speed

              m/s

              0.6±0.1

              4.

              平均合闸速度 Average closing speed

              m/s

              0.3±0.1

              5.

              额定触头压力 Rated contacts pressure

              N

              35±5

              6.

              触头合闸弹跳时间 Contacts bouncing duration at closing operation

              ms

               2

              7.

              合闸同期性 Cl osing synchronism

              ms

               2

              8.

              分闸触头反弹幅值 Contacts re-bouncing clearance at opening operation

              mm

               1

               


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