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ISOSCAN® EDS460-DG
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Catalog excerpts

ISOSCAN® EDS460-DG - 1

ISOSCAN® EDS460-DG Insulation fault locator for DC IT systems with high system leakage capacitances

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ISOSCAN® EDS460-DG - 2

Insulation fault locator for DC IT systems with high system leakage capacitances Product description Device features • Insulation fault location in IT systems • For DC-IT systems (20…308 V) • ontrol and display function in a single C device • 2 measuring channels (circuits) for 1 measuring current transformers of the W, WR, WS series • p to 90 EDS insulation fault locators in U the system (1080 measuring channels) • canning time max. 10 s for all measuring S channels (parallel scanning) • Response sensitivity 2…10 mA • History memory to store 300 events The insulation fault locators...

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ISOSCAN® EDS460-DG - 3

Insulation fault locators EDS460-DG Overview of device types Wiring diagram – system connection EDS460-DG Distinctive device features Response value Residual current indication Backlit graphics LC display Parameter setting function Error code indication Address range Internal clock History memory Alarm contact “Common alarm” for all channels Enclosure 1 - ED “ALARM 1” lights in case of the following system faults: L • when the residual current is exceeded > 2 A (RCM function) 1 - Supply voltage US (see ordering information), 6 A fuse recommended; two-pole fuses should be used on IT systems...

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ISOSCAN® EDS460-DG - 4

Insulation fault locators EDS460-DG Example for system set-up Modbus/TCP Client Example for system set-up Note: The DI-1 repeater only is required when the length of the cable exceeds 1200 m or when more than 32 devices are connected to the bus.

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ISOSCAN® EDS460-DG - 5

Insulation fault locators EDS460-DG Technical data Insulation coordination acc. to IEC 60664-1/IEC 60664-3 Connection: EDS - measuring current transformer Rated insulation voltage AC 250 V Rated impulse voltage/pollution degree 6 kV/3 Protective separation (reinforced insulation) between: (A1, A2) - (k1, l…k12, R, T/R, T, A, B), (C11, C12, C14), (C21, C22, C24) Protective separation (reinforced insulation) between (C11, C12, C14) - (C21, C22, C24) Voltage test acc. to IEC 61010-1 3.536 kV Rated insulation voltage AC 250 V Rated impulse voltage/pollution degree 4 kV/3 Basic insulation...

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ISOSCAN® EDS460-DG - 6

Insulation fault locators EDS460-DG 100 150 200 250 System leakage capacitance [uF] Explanatory notes on the response sensitivity The value of the maximum response sensitivity decreases in relation to the system leakage capacitance. The EDS460 DG reaches the following maximum response values: 100 Ω/V with a system voltage of max. 20000 µFV (product of the nominal voltage and system leakage capacitance) Fault [kOhm] Fault [kOhm] 50 100 System leakage capacitance [uF] Example: system voltage 230 V 20000 µFV/230 V = 87 µF 230 V x 100 Ω/V = 23 kΩ minimum response value at 87 µF system leakage...

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ISOSCAN® EDS460-DG - 7

Insulation fault locators EDS460-DG Ordering information Measuring range Capable of withstanding high climatic and mechanical stress 1) Absolut values Suitable system components Type designation Supplied by the USB port, no additional power supply required. Power supply unit for DI-1 or DI-2 BMS bus – TCP IP via Ethernet BMS bus – Modbus/RTU BMS bus – PROFIBUS DP Protocol converters Measuring current transformers for EDS460-DG Type of construction Internal diameter/mm Alternative measuring current transformers from the Bender range Type of construction Internal diameter/mm

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ISOSCAN® EDS460-DG - 8

E& BENDER The Power in Electrical Safety6 Bender GmbH & Co. KG P.O. Box 1161 • 35301 Gruenberg • Germany Londorfer Strasse 65 • 35305 Gruenberg • Germany Tel.: +49 6401 807-0 • Fax: +49 6401 807-259 E-Mail: info@bender.de • www.bender.de

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