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LINETRAXX® GM420

LINETRAXX® GM420

GM420系列回路监视仪被设计用于监视交流系统和离线系统的PE线的电阻。端子E和KE之间外部电压Uf 不能超过交流12 V。 导体回路的欧姆电阻和交流外部电压Uf，如果存在，会显示在显示器上。 当前测量值连续显示在液晶显示屏上。如果测量电阻值增加大于设置的响应值，将会激活并且保存报警。可以考虑可调时间延迟允许安装特定的要求。

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  • Loop monitoring of the PE conductor in AC systems
  • Measuring circuit providing a high resistance against extraneous voltages and indication of extraneous voltages
  • Adjustable start-up delay, response delay and delay on release
  • Adjustable switching hysteresis
  • Digital measured value display via multi-functional LC display
  • Preset function (automatic setting of basic parameters)
  • LEDs: Power On, Alarm 1, Alarm 2
  • Measured value memory for operating value
  • Continuous self monitoring
  • Internal test/reset button
  • Two separate alarm relays with 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
  • Loop monitoring of motors
  • Loop monitoring of PE conductor connections for wire interruptions in electrical installations
  • Monitoring of earthing systems

 

可选配件 LINETRAXX® GM420


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

版本 LINETRAXX® GM420


TypeMeasuring range
Loop resistance		Measuring range
Interference voltage		Supply voltage USArt. No.*
GM420-D-10…100 ΩAC 0…50 VDC 9,6 V…94 V /
AC 16…72 V, 15…460 Hz		B73082001
B93082001
GM420-D-20…100 ΩAC 0…50 VDC 70…300 V /
AC 70…300 V, 15…460 Hz		B73082002
B93082002
*(B7… = push-wire terminal / B9… = screw-type terminal)

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