EDS441-LAB-4 Insulation fault locator
Product description
The ISOSCAN® EDS441 insulation fault locators are used in conjunction with the ISOMETER® iso685-D-P or the PGH locating current generator to locate insulation faults in unearthed power supplies (IT systems).
Main features:
- Automated insulation fault location during operation
- Control circuit application
- 12 measuring channels for measuring current transformers
- Transformer connection monitoring
- Universal system concept
Functions and features:
- Universal system concept
- Modular design, therefore easy to adapt to existing conditions
- Measuring current transformers available in various sizes and designs
- Transformer connection monitoring
- 12 measuring channels for CTAC..., WR..., WS... measuring current transformer series
- Optional extension by 12 relay channels
- Fault memory behavior selectable
- Up to 50 EDS insulation fault locators in the system, 600 measuring channels
- Response sensitivity: 0.2...1 mA
- AC residual current measurement with adjustable response value
- Two alarm relays with one NO contact each
- Working/quiescent current selectable
- External test/reset button
- Central display of faulty outgoing circuits
- RS-485 serial interface, BS bus address range 2...79, Modbus RTU
- Connection to higher-level control and visualization systems possible
Applications:
- Insulation fault location in AC, 3AC and DC IT systems
- Main and control circuits in industrial plants and ships
- Diode-decoupled DC IT systems in power plants
- Networks for rooms used for medical purposes
