EDR-5000
IM02602007E
Ground Current Elements:
51X[x] / 51R[x] / 67X[x] / 67R[x]
Accuracy
*2)
*3)
Pickup (measured ground current)
Pickup (calculated ground current)
±1.5% of the setting value or 1% In
±2.0% of the setting value or 1.5% In
Dropout Ratio
97% or 0.5% In
Operating Time
Starting from IE higher than 1.1 x IE>
<35 ms
(directional elements: <40ms)
Disengaging Time
<45 ms
t-Multiplier
±5% (according to selected curve)
Reset Mode
±5% (according to selected curve)
t-reset (Reset Mode = t-delay)
±1% or ±10 ms
*2) For directional elements, accuracy of MTA: ±3° at IE >20% In.
*3) For earth current sensitive the precision does not depend on the nominal value but is referenced to 100 mA (with In =1 A) respectively 500 mA
(with In = 5 A)
Directional Sensitivity:
67P[x]
Value
Release Level
Blocking Level
I V (3-phases)
I
V
10 mA
0.35 V
5 mA
0.25 V
Directional Sensitivity:
67X[x], 67R[x]
Value
Release Level
Blocking Level
IX 3V0
IX
IX (sensitive)
3V0
10 mA
1 mA
0.35 V
5 mA
0.5 mA
0.25 V
IR 3V0
IR
3V0
18 mA
1 V
11 mA
0.8 V
IR IPol
IR
IX
IX (sensitive)
18 mA
10 mA
1 mA
11 mA
5 mA
0.5 mA
IX Neg, IR Neg
I2
V2
10 mA
0.35 V
5 mA
0.25 V
Current unbalance:
46[x]
Accuracy
*1)
Threshold
±2% of the setting value or 1% In
%(I2/I1)
±1%
t
DEFT
±1% or ±10 ms
Operating Time
<60 ms
Disengaging Time
<40 ms
*1) Negative-sequence current I2 must be ≥ 0.01 x In, I1 must be ≥ 0.1 x In.
www.eaton.com
904