V3-T9-224 Volume 3—Power Distribution and Control Assemblies CA08100004E—November 2013 www.eaton.com
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9.4
Metering Devices, Protective Relays, Software and Connectivity
Protective Relays
Tripping Characteristics
DP-300
Dimensions
Approximate Dimensions in Inches (mm)
DP-300
DP-300
I
d
I
N
Y=
[%]
Monitoring step 2, xed limit (100%)
Characteristic gradient (xed) = 10%
X12, Y2 and Y1: adjustable
P (X12/Y2)
P (X12/Y1)
Monitoring step 2
(X12 = 100% / Y2 = 35%
Monitoring step 1
(X12 = 100% / Y1 = 10%
Monitoring step 2
xed limit (85%)
Monitoring
step 1 xed limit
(85%-Y2+Y1)
Protected
object
I
S
=
I
a
I
b
I
a
I
b
+
2
I
d
=
I
a
- I
b
1
1
=
2
2
X
=
I
S
I
N
[%]
500400
300
200100
10
35
100
Width Height Depth
Shipping Weight
Lbs (kg)
5.67 (144.0) 3.78 (96.0) 5.20 (132.1) 2.2 (0.99)
Side View
3.78
(96.0)
3.54
(89.9)
Bottom View
5.67
(144.0)
5.35
(135.9)
0.32
(8.0)
5.20
(132.1)
Front View
Back View with
Connecting Terminals
80 83
36
25
1
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