Equipment for insulation fault location DOLD

• Insulation troubleshooting in DC, AC and mixed IT systems in connection with the insulation fault locator RR 5887 according to DIN EN 61557-9 (VDE 0413-9):2009 and DIN EN 61557-1 (VDE 0413-1)
• Insulation coordination according to IEC 60664-1
• External control via insulation monitor possible
• Positive and negative test current to monitor DC networks and networks with simultaneous alternating current and direct current portions present
• RS-485 bus connection to synchronise the test current analysis and optionally for the connection to the EDS measuring bus
• Control via insulation monitor via RS-485 bus or external control input possible
• Pushbutton for manual test current output
• Terminal connection for automatic test current output
• Status output of insulation fault detection via external switching output
• Width: 105 mm

• Insulation troubleshooting in DC, AC and mixed IT systems in connection with the locating current injector RR 5886 according to DIN EN 61557-9 (VDE 0413-9):2009 and DIN EN 61557-1
(VDE 0413-1)
• Insulation coordination according to IEC 60664-1
• Connection of max. 4 or 8 differential current transformers depending on the design
• RS-485 bus connection to synchronise the test current output and optionally for the connection to the EDS measuring bus for reading insulation fault currents
• Status output of insulation fault detection via external switching output
• Memory characteristics adjustable via bridge Y1-Y2
• Collective signalling relay to output preliminary warning and alarm states
• Pushbutton for manual reset of alarm states as well as testing of differential current transformers and their calibration
• Terminal connection for the storage of alarm states
• Width: 105 mm