Main Catalogue Edition 2025 Design the future of energy

Main Catalogue Edition 2025 Bender GmbH & Co. KG Londorfer Str. 65 Subject to change! – © Bender GmbH & Co. KG, Germany The catalogue and the articles and illustrations which it contains are protected by copyright. Distribution, translation, microfilming and storing in electronic systems, particularly for commercial purposes, are not permitted without prior permission from the author. We accept no liability for errors and omissions. All specifications are based on manufacturer data. All logos and product designations are registered trademarks of the respective manufacturer. 2 D-35305 Grünberg...

Insulation monitoring devices ISOMETER® Equipment for insulation fault location Residual current monitoring systems Neutral Grounding Resistor Monitor (NGR) Charge Controller Power Quality and Energy Measurement Measuring and monitoring relays System components Switching equipment Test systems Coupling devices / Power supply units / COMTRAXX® Gateways / Measuring current transformers / Measuring instruments / COMTRAXX® Alarm indicator and test combinations / Transformers / Interface converters / COMTRAXX® condition monitors / Relay modules / Interface repeaters / Visualisation ATICS® transfer...

Device overview insulation monitoring devices ISOMETER® Catalogue page Special applications Control circuits Auxiliary circuits Main circuits Quick response to combined resistance and offset voltage measurement Nominal system voltage Un System leakage capacitance G pF Coupled systems Locating current injector for insulation fault location Screw mounting Panel mounting/ wall fastening Product details Type C. p. Suitable system components Insulation monitoring devices | Device overview

ISOMETER® ISOMETER® ISOMETER® ISOMETER® ISOMETER® isoNAV685-D-B isoHR685W-...-B isoRW685W-D isoRW685W-D-B IRDH275BM-7 Insulation monitoring devices | Device overview 2

Insulation monitoring devices | Device overview

Induction furnace insulated elevating work platforms Medical locations Medical locations

Catalogue page Installations with Special applications a low level of Control circuits Insulation monitoring devices | Device overview

Disconnected loads Mobile generators Mobile generators

Insulation monitoring devices | Device overview

Electric mobility Electric mobility Electric mobility Electric mobility Suitable system componen

ISOMETER® iso685-... Insulation monitoring device for unearthed AC, AC/DC and DC systems (IT systems) • AC, DC or AC/DC main circuits • AC/DC main circuits with directly connected DC components, such as rectifiers, converters, variable-speed drives • UPS systems, battery systems • Heaters with phase control • Systems including switched-mode power supplies • IT systems with high leakage capacitances • ISOMETER® for IT AC systems with galvanically connected rectifiers or inverters and for IT DC systems (IT = unearthed systems) • Automatic adaptation to the existing system leakage capacitance •...

Suitable measuring instruments on request! Insulation coordination according to IEC 60664-1/IEC 60664-3 Rated voltage Overvoltage category Definitions: Rated impulse voltage: Time response Response time fan at Rf = 0.5 x Ran (10 kO) and Ce (1 pF) acc. to IEC 61557-8 Response time DC alarm at Ce = 1 pF profile dependent, typ. 2 s Measuring circuit Measuring voltage Um profile dependent, ±10 V, ±50 V (see profile overview in the manual) Permissible extraneous DC voltage Ufg < 1200 V Permissible system leakage capacitance Ce profile dependent, 0.1000 pF Rated insulation voltage: Pollution degree...

| Technical data (continued) Connection type screw-type terminal or push-wire terminal, pluggable Operating mode linear, midscale point 28 kO/120 kO insulation value, DC offset Tolerance related to the current/voltage final value Interface/protocol Data rate Max. amount Modbus requests Cable Cable length Connection IP address Network mask BCOM address Function Sensor bus: Interface/protocol Data rate Cable: twisted pair, one end of shield connected to PE Cable length (depending on the baud rate) Terminating resistor web server/Modbus TCP/BCOM 10/100 Mbit/s, autodetect DHCP/manual 192.168.0.5...

Insulation monitoring devices | Main circuits 15 Insulation monitoring device ISOMETER® iso685-...

16 Insulation monitoring devices | Main circuits Insulation monitoring device ISOMETER® iso685-...-B

Suitable measuring instruments on request! Insulation coordination according to IEC 60664-1/IEC 60664-3 Rated voltage Overvoltage category Definitions: Rated impulse voltage: Measuring circuit_ Measuring voltage Um profile dependent, ±10 V, ±50 V (see profile overview in the manual) Permissible extraneous DC voltage Ufg < 1200 V Permissible system leakage capacitance Ce profile dependent, 0.1000 pF Rated insulation voltage: Pollution degree outside (Un < 690 V) Pollution degree outside (Un >690 < 1000 V) Protective separation (reinforced insulation) between: IC1/(IC2-5) Voltage test (routine...

| Technical data (continued) Interface/protocol Data rate Max. amount Modbus requests Cable Cable length Connection IP address Network mask BCOM address Function ISOnet number of devices Maximum nominal system voltage ISOnet ISOloop number of devices Sensor bus: Interface/protocol Data rate Cable: twisted pair, one end of shield connected to PE Cable length (depending on the baud rate) Connection Terminating resistor Device address, BS bus web server/Modbus TCP/BCOM 10/100 Mbit/s, autodetect DHCP/manual 192.168.0.5 255.255.255.0 system-1-0 communication interface Connection type screw-type terminal...

i| Connection to an AC system Un 4 Connection to a DC system Un 3| Linked with two IT systems which can be interconnected via a coupling switch. Information regarding the state of the coupling switch is not necessary. 4 Connection to an IT system with coupling device ^ Connection to a 3(N)AC system 8 Connection to the IT system to be monitored (L1/+, L2, L3/-) 8 (K1) Alarm relay 1, available changeover contacts 8 (K2) Alarm relay 2, available changeover contacts 10 Switchable resistor R for RS-485 bus termination 8 For systems > 690 V and with overvoltage category III a fuse for the connection...