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Sat May 26 12:10:11 2018
Sat May 26 12:10:12 2018
ISOSCAN® EDS441

ISOSCAN® EDS441

  • 自动绝缘故障定位
  • 应用于控制回路
  • 12个测量通道用于测量电流互感器
  • 连接CT监视
  • 适用于各类通用系统

绝缘故障定位仪ISOSCAN® EDS44x与绝缘监视仪ISOMETER® iso685-D-P-CN或定位电流发射器PGH组合使用,用于不接地系统(IT系统)的绝缘故障定位。它们检测由绝缘监视仪iso685-D-P-CN或IRDH575或定位电流发射器PGH发出定位电流信号并且进行相应的评估。一台EDS44x可以连接12个测量电流互感器。同时可以有21个绝缘故障定位仪通过RS-485接口(BS总线协议)连接,因此可以监视252路输出电路。

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  • Universal system concept
  • Modular design, therefore easily adjustable to the given circumstances
  • Measuring current transformers available in various sizes and versions
  • CT connection monitoring
  • 12 measuring channels for measuring current transformer series W…, W…-8000, WS…, WS…-8000, W…AB
  • Fault memory behaviour selectable
  • Configuration possibilities enable individual adjustments
  • Up to 21 EDS insulation fault locators in the system, 252 measuring channels
  • Response sensitivity 0.2…1 mA
  • AC residual current measurement with configurable response value
  • Two alarm relays with one N/O contact each
  • N/O or N/C operation selectable
  • External test/reset button via digital inputs
  • Indication via iso685-D-P or LEDs
  • Central indication of faulty outgoing circuits
  • Serial interface RS-485, BS bus address range 2…90
  • Connection to higher-level control and visualisation systems possible
  • Insulation fault location in AC, 3AC and DC IT systems
  • Main circuits and control circuits in industrial plants and ships
  • Diode-decoupled DC IT systems in power plants
  • Systems for medical locations

 

可选配件 ISOSCAN® EDS441

Accessories
TypeSupply voltage USArt. no.
DI-1PSM (RS-485 repeater)AC/DC 24 V ± 20 %B95012044
DI-2USB (interface converter RS-485/USB) with USB cableSupplied by USB interfaceB95012045
AN471 (power supply unit for DI-1 or DI-2)AC 230 V 50/60 Hz /
AC, DC 20 V
B924189
Snap-on mounting W20…/35…B98080501
Snap-on mounting W60…B98080502

Measuring current transformer for EDS441

TypeInternal diameter/mmDesign typeArt. no.
W20-800020circularB98080009
W35-800035circularB98080017
W60-800060circularB98080027
WS20x30-800020 x 30split-coreB98080602
WS50x80-800050 x 80split-coreB98080604

Alternative measuring current transformer from the Bender program

TypeInternal diameter/mmDesign typeArt. no.
W10/800010circularB911759
W1-35/800035circularB911756
W10/8000-610circular, 6-foldB911900
WS20x30/800020 x 30split-coreB911764
WS50x80/800050 x 80split-coreB911757

版本 ISOSCAN® EDS441


TypeSupply voltage US*Response valueArt. no.
EDS441-SAC/DC 24…240 V0.2…1 mAB91080204
EDS441-L-4AC/DC 24…240 V0.2…1 mAB91080205
EDS441-LAB-4AC/DC 24…240 V0.2…1 mAB91080207
*Absolute values

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