New Bender IRDH275-427 ISOMETER® – Advanced Insulation Monitoring Device

Insulation monitoring for unearthed AC, AC/DC systems 0…793 V, DC 0…650 V

• Nominal voltage extendable via coupling device

• Two separately adjustable response values1 kΩ…10 MΩ

• AMPPlus measurement method

• Automatic adaptation to the system leakage capacitance

• Info button to display device settings and system leakage capacitance

• Self monitoring with automatic alarm

• Automatic self test, selectable

• Connection for external kΩ indication

• Test and reset button

• External test/reset button can be connected

• Two separate alarm relays with two potential-free changeover contacts

• N/O or N/C operation, selectable

• Backlit LC display

• RS-485 interface