Bender EDS460 - Technical Data EDS460;490; EDS461;491

Data
68
TGH1394en/05.2007
8.3 Technical data EDS460/490 / EDS461/491
Insulation coordination acc. to IEC 60664-1 / IEC 60664-3
Rated insulation voltage....................................................................................................................................AC 250 V
Rated impulse voltage/pollution degree............................................................................................................ 4 kV / III
Protective separation (reinforced insulation) between:
............................................................................(A1, A2) - (K1, L…K12, R / RT / T, AB) - (11, 12, 14) - (21, 22, 24)
Voltage test acc. to IEC 61010-1 .........................................................................................................................2.21 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
................................................................refer to IRDH575, PGH47x... (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 (on)*
Load ........................................................................................................................................................................10 Ω
Rated insulation voltage (measuring current transformer) ..................................................................................800 V
Response sensitivity......................................................................................................2…10 mA (EDS460 / EDS490)
......................................................................................................................................0.2…1 mA (EDS461 / EDS491)
Rated frequency.....................................................................................................................................50 / 60 / 400 Hz
EDS function measuring range.....................................................................................2…50 mA (EDS460 / EDS490)
......................................................................................................................................0.2…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
Release delay t
off
................................................................................................................................................ 0…24 s
Scanning time for all channels .............................................................................................................approx. 4…10 s