ISOSCAN® EDS440
- 自动绝缘故障定位
- 应用于主回路
- 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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- 应用
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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 CTAC…, WR…, WS…
- Fault memory behaviour selectable
- Configuration possibilities enable individual adjustments
- Up to 21 EDS insulation fault locators in the system, 252 measuring channels
- Response sensitivity 2…10 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® EDS440
Accessories
Measuring current transformer for EDS440
Alternative measuring current transformer from the Bender program
| Type | Supply voltage US | Art. no. |
|---|---|---|
| DI-1PSM (RS-485 repeater) | AC/DC 24 V ± 20 % | B95012044 |
| DI-2USB (interface converter RS-485/USB) with USB cable | Supplied by USB interface | B95012045 |
| IOM441-S (input/output module) | 12-fold relay module | B95012057 |
| AN471 (power supply unit for DI-1 or DI-2) | AC 230 V 50/60 Hz / AC, DC 20 V | B924189 |
Measuring current transformer for EDS440
| Type | Internal diameter/mm | Design type | Art. no. |
|---|---|---|---|
| CTAC20 | ø 20 | circular | B98110005 |
| CTAC35 | ø 35 | circular | B98110007 |
| CTAC60 | ø 60 | circular | B98110017 |
| CTAC120 | ø 120 | circular | B98110019 |
| CTAC210 | ø 210 | circular | B98110020 |
| WS20x30 | 20 x 30 | split-core | B98080601 |
| WS50x80 | 50 x 80 | split-core | B98080603 |
| WS80x120 | 80 x 120 | split-core | B98080606 |
Alternative measuring current transformer from the Bender program
| Type | Internal diameter/mm | Design type | Art. no. |
|---|---|---|---|
| W10/600 | 10 | circular | B911761 |
| W0-S20 | 20 | circular | B911787 |
| W1-S35 | 35 | circular | B911731 |
| W2-S70 | 70 | circular | B911732 |
| W3-S105 | 105 | circular | B911733 |
| W4-S140 | 140 | circular | B911734 |
| W5-S210 | 210 | circular | B911735 |
| WR70x175S | 70x175 | rectangular | B911738 |
| WR115x305S | 115x305 | rectangular | B911739 |
| WR150x350S | 150x350 | rectangular | B911740 |
| WR200x500S | 200x500 | rectangular | B911763 |
| WS50x80S | 50x80 | split-core | B911741 |
| WS80x80S | 80x80 | split-core | B911742 |
| WS80x120S | 80x120 | split-core | B911743 |
| WS80x160S | 80x160 | split-core | B911755 |
版本 ISOSCAN® EDS440
| Type | Supply voltage US* | Response value | Art. no. |
|---|---|---|---|
| EDS440-S-1 | AC/DC 24…240 V | 2…10 mA | B91080201 |
| EDS440-L-4 | AC/DC 24…240 V | 2…10 mA | B91080202 |
*Absolute values
下载 ISOSCAN® EDS440
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