DOLD RR 5887

Function	Insulation fault locator
Nominal voltage IT systems AC/DC 3AC	24 - 360 V
Manual reset	+
Bus interface	RS-485
Operating mode	Slave
Operating voltage AC/DC	110 - 230 V
Width	105 mm
Type	RR 5887

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