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      真空断路器
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      HVD11Y

      HVD11外形图-Model.jpg



      HVD11-1.14 Permanent magnet mechanism  INDOOR HIGH VOLTAGE VACUUM CIRCUIT BREAKER

       

      General:

      HVD11-1.14  Permanent magnet mechanism Vacuum Circuit Breaker is mainly used in 1140v or 660v three phases electrical distribution system. Permanent magnet low-voltage vacuum circuit breakers can be operated under the rated current range frequently breaking the short-circuit current, more suitable for use in coal mine feed systems, composed of mining and high voltage flameproof distribution. ALso could use for Large-capacity motors for start infrequently.

      This product uses bistable permanent magnet mechanism + short-circuit magnetic manual opening, simple structure, stable and reliable. Because there is no axle, hook and other mechanical parts, greatly reduced the mechanical parts failure caused by wear and tear, Longer service life.

        HVD11Y-630/1.14-15型永磁机构低压真空断路器主要用于1.14KV或660V三相电网中, 用于分配电能,?;は呗芳暗缭瓷璞?/span>,并可在额定电流范围内进行频繁操作或多次开断短路电流,更适于在煤矿馈电系统中使用,组成矿用一般型及高压隔爆型配电.也可以用作大容量电动机的不频繁启动之用.

      该产品采用双稳态永磁机构+磁短路手动分闸,结构简单,工作稳定可靠.由于没有了半轴,搭钩等机械零件,使得因机械零件磨损造成的故障大降低,提高了寿命.

      Main specifications and technical parameters:

      No.

      Item 项目

      Data 参数

      1

      Rated voltage 额定电压

      1140v AC

      2

      Rated current 额定电流

      630A

      3

      Convention thermal current 额定发热电流

      630A

      4

      Rated short circuit breaking current 短路分断电流

      15KA(1140V, COSφ=0.3)

      5

      Rated short circuit breaking times 额定短路开断时间

      16times(Closing-Opening 10 times, Opening 6 times)

      6

      Rated working frequency 额定频率

      50HZ

      7

      Electrical life 电寿命

      3000times AC-2

      8

      Mechanical life 机械寿命

      50000times AC-2

      9

      Inherent closing time 固有合闸时间

      100ms

      10

      Inherent opening time 固有分闸时间

      30ms

      11

      Three phases unsynchronized time 三相不同期时间

      1.5ms

      12

      Resistance of single phase closing circuit

      单极合闸回路电阻

      100μΩ

      13

      Opening distance 开距

      3.0~4.0mm

      14

      Over travel distance 超程

      1.8~2.2mm

      15

      Auxiliary contacts 辅助触头

      3NO+3NC

       

      永磁机构主要参数表

      NO.

      项目Item

      单位Unit

      参数Data

      1

      控制电路额定电压

      Rated control voltage

      V

      AC110-AC380

      2

      控制电路总功率

      Control circuit total power

      W

      ≤200

      3

      操作机构最大操作频率

      Operating mechanism maximum operating frequency

      Times/H

      300

      4

      合闸最小间隔时间

      Minimum closing interval time

      S

      ≥2


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