5–42
469 MOTOR MANAGEMENT RELAY – INSTRUCTION MANUAL
CHAPTER 5: SETTINGS
If the motor starting times are well within the safe stall times, it is recommended that the
469 Standard Overload Curve be used. The standard overload curves are a series of 15
curves with a common curve shape based on typical motor thermal limit curves (see the
figure and table below).
FIGURE 5–6: 469 Standard Overload Curves
469 Motor Management Relay
STANDARD OVERLOAD CURVES
x1
x15
100000
10000
1000
100
10
1.00
0.10
1.00
MULTIPLE OF FULL LOAD AMPS
TIME
IN
SECONDS
10
100
1000
806804A5.CDR
Table 5–1: 469 Standard Overload Curve Multipliers
PICKUP
(
×
FLA)
STANDARD CURVE MULTIPLIERS
×
1
×
2
×
3
×
4
×
5
×
6
×
7
×
8
×
9
×
10
×
11
×
12
×
13
×
14
×
15
1.01
4353.6
8707.2
13061
17414
21768
26122
30475
34829
39183
43536
47890
52243
56597
60951
65304
1.05
853.71
1707.4
2561.1
3414.9
4268.6
5122.3
5976.0
6829.7
7683.4
8537.1
9390.8
10245
11098
11952
12806
Summary of Contents for Masoneilan 469 Series
Page 4: ......
Page 92: ...3 28 469 MOTOR MANAGEMENT RELAY INSTRUCTION MANUAL CHAPTER 3 INSTALLATION ...
Page 256: ...5 112 469 MOTOR MANAGEMENT RELAY INSTRUCTION MANUAL CHAPTER 5 SETTINGS ...
Page 298: ...6 42 469 MOTOR MANAGEMENT RELAY INSTRUCTION MANUAL CHAPTER 6 ACTUAL VALUES ...
Page 321: ...CHAPTER 8 APPENDIX 469 MOTOR MANAGEMENT RELAY INSTRUCTION MANUAL 8 9 808712A1 CDR ...
Page 330: ...8 18 469 MOTOR MANAGEMENT RELAY INSTRUCTION MANUAL CHAPTER 8 APPENDIX ...