Bender ISO685-S Isometer
The ISO685-S Bender isometer series is a highly advanced insulation monitoring solution compliant with IEC 61557-8, designed for use in AC, DC, and AC/DC IT (unearthed) systems. Supporting extensive DC-supplied loads such as rectifiers, inverters, and variable-speed drives, the ISOMETER® iso685 offers cutting-edge features including predefined measurement profiles, integrated web server functionality, and robust remote communication options via Modbus TCP/RTU.
Applications
Ideal For:
- AC, DC, or AC/DC main circuits.
- AC/DC circuits with directly connected DC components (rectifiers, converters, variable-speed drives).
- UPS systems and battery-powered systems.
- Heaters with phase control technology.
- Systems with switched-mode power supplies.
- IT systems with high leakage capacitances.
ISOMETER® iso685 Variant Overview
iso 685-D
- Nominal System Voltage: AC 0…690 V; 1…460 Hz / DC 0…1000 V
- Supply Voltage: AC 24…240 V; 50…400 Hz / DC 24…240 V
- Display: Integrated graphical LC display
- Option W: No
- Article Number: B91067010
iso685W-D
- Nominal System Voltage: AC 0…690 V; 1…460 Hz / DC 0…1000 V
- Supply Voltage: AC 24…240 V; 50…400 Hz / DC 24…240 V
- Display: Integrated graphical LC display
- Option W: Extreme conditions (-40…+70°C, 3K23, 3M12)
- Article Number: B91067010W
iso685-S + FP200
- Nominal System Voltage: AC 0…690 V; 1…460 Hz / DC 0…1000 V
- Supply Voltage: AC 24…240 V; 50…400 Hz / DC 24…240 V
- Display: No integrated display (operated via FP200 front panel)
- Option W: No
- Article Number: B91067210
iso685W-S + FP200
- Nominal System Voltage: AC 0…690 V; 1…460 Hz / DC 0…1000 V
- Supply Voltage: AC 24…240 V; 50…400 Hz / DC 24…240 V
- Display: No integrated display (operated via FP200 front panel)
- Option W: Extreme conditions (-40…+70°C, 3K23, 3M12)
- Article Number: B91067210W
Optional Accessories for ISOMETER® iso685
Coupling Devices:
- AGH150W-4 (Art. No.: B98018006)
- AGH204S-4 (Art. No.: B914013)
- AGH520S (Art. No.: B913033)
- AGH676S-4 (Art. No.: B913055)
Additional Accessories:
- Set of screw terminals (Art. No.: B91067901) (included in delivery)
- Set of push-wire terminals (Art. No.: B91067902)
- Enclosure accessories: Terminal cover, 2 mounting clips (Art. No.: B91067903) (included in delivery)
Key Features & Benefits
✅ Universal IT System Coverage: AC, DC, and AC/DC monitoring with DC loads.
✅ Flexible Communication: Modbus TCP/RTU, RS-485/BS, and web server integration.
✅ Visual Monitoring: Graphical isoGraph and real-time resistance trends (on display models).
✅ Reliable in Harsh Environments: W-option versions built for extreme conditions.
✅ Comprehensive Diagnostics: Local and remote system insight via the integrated web server or COMTRAXX® Gateway.
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