GE 469 Instruction Manual page 184

Motor management relay
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PICKUP
(× FLA)
× 1
× 2
20.00
1.39
2.78
Note
5–42
Table 5–1: 469 Standard Overload Curve Multipliers
STANDARD CURVE MULTIPLIERS
× 3
× 4
× 5
× 6
4.16
5.55
6.94
8.33
Above 8.0 x Pickup, the trip time for 8.0 is used. This prevents the overload curve from
acting as an instantaneous element.
The standard overload curves equation is:
Time to Trip
--------------------------------------------------------------------------------------------------------------------------------------------- -
=
0.02530337
× 7
× 8
× 9
× 10
9.71
11.10
12.49
13.88
Curve_Multiplier
×
2
×
(
)
Pickup 1
0.05054758
+
469 MOTOR MANAGEMENT RELAY – INSTRUCTION MANUAL
CHAPTER 5: SETTINGS
× 11
× 12
× 13
× 14
15.27
16.65
18.04
19.43
2.2116623
×
(
)
Pickup 1
× 15
20.82
(EQ 5.2)

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