Thu Jul 19 21:36:06 2018
Thu Jul 19 21:36:06 2018
LINETRAXX® VME421H

LINETRAXX® VME421H

  • 交直流系统9.6...150 V (VME421H-D-1), 70...300 V (VME421H-D-2)的欠电压、过电压和频率监视
  • 集成能源储存,由被监控系统供电
  • 可选各种监视功能 U, f
  • 设备设置的密码保护
  • 预设功能(基本参数的自动设定)

VME421H系列电压监视仪被设计用于监视频率、欠电压、过电压和交流和直流系统中两个阈值之间的电压。 电压测量是真实有效值。电流测量值连续显示在液晶屏上。存储报警继电器激活的测量值。由于可调的响应时间,可以考虑特定于设备的特性,如特定于设备的启动过程、短时电压波动等。设备版本VME421H从监视的系统获取电源电压并利用内部能量储备。

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  • Undervoltage, overvoltage and frequency monitoring of AC/DC systems, 9.6…150 V (VME421H-D-1), 70…300 V (VME421H-D-2)
  • Without external supply voltage
  • Integrated energy backup
  • Different monitoring functions selectable
    < U, > U, < f, > f
  • Start-up delay, response delay, delay on release
  • Adjustable switching hysteresis
  • r.m.s. value measurement (AC + DC)
  • Digital measured value display via multi-functional LC display
  • Preset function (automatic assignment of basic parameters)
  • LEDs: Power On, Alarm 1, Alarm 2
  • Measured value memory for operating value
  • Continuous self monitoring
  • Internal test/rest button
  • Two separate alarm relays (one changeover contact each)
  • N/C or N/O operation and fault memory behaviour selectable
  • Password protection for device setting
  • Sealable transparent cover
  • Two-module enclosure (36 mm)
  • Push-wire terminal (two terminals per connection)
  • RoHS-compliant
  • Voltage and frequency monitoring of single-phase machines and electrical installations
  • Earth fault monitoring in medium-voltage systems via voltage transformers
  • Monitoring of battery systems
  • Switching machinery and equipment on and off at a certain voltage level

 

可选配件 LINETRAXX® VME421H


TypeArt No.
Mounting clip for screw fixing (1 piece per device)B98060008

版本 LINETRAXX® VME421H


TypeNominal system voltage Un*Response valueArt. No.**
VME421H-D-1DC 9,6…150 V / AC 9,6…150 V, 15…46 HzAC/DC 9,6…150 VB73010003
B93010003
VME421H-D-2DC 70…300 V / AC 70…300 V, 15…460 HzAC/DC 70…300 VB73010004
B93010004
* absolute values
**(B7… = push-wire terminal / B9… = screw-type terminal)

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