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ISOMETER® IR425-D4

ISOMETER® IR425-D4
6Pages

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ISOMETER® IR425 Insulation monitoring device for unearthed AC/DC control circuits (IT systems)

Insulation monitoring device for unearthed AC/DC control circuits (IT systems) Product description The ISOMETER®s of the IR425 series monitor the insulation resistance of unearthed AC/DC control circuits (IT systems) 0…300 V. DC components existing in AC/DC systems do not influence the operating characteristics. An external supply voltage allows de-energised systems to be monitored too. Application • C/DC control circuits in the industrial sector, mechanical engineering, power plants, A elevators, automation systems etc. • C/DC control and auxiliary circuits in accordance with DIN EN...

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Operating elements Wiring diagram 1 - ED power “ON”, (flashes in case of interruption of the L connecting leads E/KE or L1/L2). 2 - larm LED “AL1”, lights when the value falls below the set A response value Alarm 1 and flashes in case of interruption of the connecting leads E/KE or L1/L2. 3 - larm LED “AL2”, lights when the value falls below the set A response value Alarm 2 and flashes in case of interruption of the connecting leads E/KE or L1/L2. 4 - LC display 5 - est button “T”: to call up the self test. T Arrow up button: arameter change, to move up in the menu p 6 - eset button “R”: to...

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Insulation coordination acc. to IEC 60664-1/IEC 60664-3 Rated insulation voltage 250 V Rated impulse voltage/pollution degree 4 kV/3 Protective separation (reinforced insulation) between (A1, A2) - (L1, L2, E, KE, T/R) - (11, 12, 14) - (21, 22, 24) Voltage test acc. to IEC 61010-1 2.2 kV Supply voltage Supply voltage Us see ordering information Power consumption < 4 VA Operating temperature Climatic class acc. to IEC 60721 Stationary use (IEC 60721-3-3) Transport (IEC 60721-3-2) Long-time storage (IEC 60721-3-1) 3K5 (except condensation and formation of ice) 2K3 (except...

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Ordering information Dimension diagram XM420 Dimensions in mm Screw mounting Open the front plate cover in Note: The upper mounting clip direction of arrow! must be ordered separately

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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 BENDER Group _Q £ <u x £ a> CQ ©

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ISOMETER® IR425-D4 6Pages

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ISOMETER® IR425-D4
6Pages