Insulation monitoring device for unearthed IT AC, AC/DC and DC systems for electrical installations with a low level of resistance Ankopplungsgefat Coupling device Achtung Hochspannung

ISOMETER® isoLR275 with coupling device AGH-LR Device features • ISOMETER® for IT AC systems with galvanically connected rectifiers or converters and for IT DC systems (IT = unearthed systems) • Particularly suitable to monitor installations with a low level of insulation • Use the isoLR275 only combination with the coupling device AGH-LR • Automatic adaptation to the existing system leakage capacitance • AMPPlus measurement method (European patent: EP 0 654 673 B1) • Choice of measurement methods to meet different requirements • Two separately adjustable response ranges of 0.2...100 kfi (Alarm...

ISOMETER® isoLR275 with coupling device AGH-LR Wiring diagram 1 - "INFO" button: to query standard information/ "ESC" button: back (menu function), to confirm parameter change 2 - "TEST" button: to call up the self test/arrow up button: parameter change, to move up in the menu 3 - "RESET" button: to delete stored insulation fault alarms Arrow down button: parameter change, to move down in the menu 4 - "MENU" button: to call up the menu system. Enter button: to confirm parameter changes 5 - Alarm LED "1" lights: insulation fault, first warning level reached 6 - Alarm LED "2" lights: insulation...

ISOMETER® isoLR275 with coupling device AGH-LR Z BENDER Insulation coordination acc. to IEC 60664-1/IEC 60664-3 Rated insulation voltage for isoLR275-3 AC 250 V Rated impulse voltage/pollution degree 6 kV/III Voltage test acc. to IEC 61010-1 Rated insulation voltage Rated impulse voltage/pollution degree Basic insulation between: Serial interface Interface/protocol Connection Cable length Shielded cable (shield to PE on one end) Terminating resistor Device address, BMS bus Voltage ranges Nominal system voltage Un Supply voltage Us (also see nameplate) Power consumption Supply voltage Us (also...

ISOMETER® isoLR275 with coupling device AGH-LR Technical data coupling device AGH-LR Insulation coordination acc. to IEC 60664-1 Dimension diagram XM112 - ISOMETER® isoLR275 Dimensions in mm Rated insulation voltage Rated impulse voltage/pollution degree Voltage ranges Nominal system voltage Un Max. AC voltage U~ in the frequency range fn = 0.1.10 Hz U~max = 110 V/Hz * fn Operating temperature Classification of climatic conditions acc. to IEC 60721: Stationary use (IEC 60721-3-3) 3K5 (with condensation and formation of ice) 2K3 (with condensation and formation of ice) 1K4 (with condensation and...

BENDER Group isoLR275_D00127_02_D_XXEN / 07.2018 / pdf / © Bender GmbH & Co. KG, Germany – Subject to change! The specified standards take into account the edition valid until 07.2018 unless otherwise indicated. 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: [email protected] • w