Data
71
EDS460-490_D00085_01_M_XXEN/02.2016
Protective separation (reinforced insulation) between.........................................(C11, C12, C14) - (C21, C22, C24) -
(11, 14, 21, 24, 31, 34) - (41, 44, 51, 54, 61, 64) - (71,74) - (81,84) - (91,94) - (101,104) - (111,114) - (121,124)
Voltage test acc. to IEC 61010-1 ......................................................................................................................3.536 kV
Supply voltage
Supply voltage U
S
...................................................................................................................see ordering information
Frequency range U
S
..............................................................................................................................AC 42…460 Hz
Power consumption ................................................................................................................ ≤ 10 VA ( EDS460/461)
................................................................................................................................................... ≤ 14 VA (EDS490/491)
Measuring circuit
Nominal system voltage U
n
................................................................................see IRDH575, PGH (EDS460, EDS490)
....................................................................................................... AC 20…276 V, DC 20…308 V (EDS461, EDS491)
External measuring current transformer type .............................................W…, WR…, WS… (EDS460, EDS490)
................................................................................................................W…/8000, WS…/8000 (EDS461, EDS491)
CT monitoring.............................................................................................................................................. on/off (off)*
Load......................................................................................................... 10 Ω (EDS460/490), 1.5 kΩ (EDS461/491)
Rated insulation voltage (measuring current transformer) ................................................................................. 800 V
Response sensitivity........................................................................................................2…10 mA (EDS460/EDS490)
........................................................................................................................................0.2…1 mA (EDS461/EDS491)
Rated frequency.............................................................................................................................DC, AC 50/60/400 Hz
EDS function measuring range....................................................................................1.5…50 mA (EDS460/EDS490)
......................................................................................................................................0.15…5 mA (EDS461/EDS491)
RCM function measuring range.............................................................................. 100 mA…10 A (EDS460/EDS490)
......................................................................................................................................10 mA…1 A (EDS461/EDS491)
Number of measuring channels (per device/system) ......................................................................................12/1080
Specified time
Response delay t
on
............................................................................................................................................. 0…24 s
Delay on release t
off
........................................................................................................................................... 0…24 s
Scanning time for all channels..............................................................................approx. 8…24 s (EDS460/EDS490)
..............................................................................................................................approx. 14…30 s (EDS461/EDS491)
Response time for CT monitoring faults....................................................................................................... max. 1 min.
Displays, memory
LEDs......................................................................................................................................... ON/ALARM (EDS4…-D)
....................................................................................................ON/ALARM/measuring channel 1…12 (EDS4…-L)