Rockwell Automation Publication 825-UM004D-EN-P - November 2012
103
Configuring Protection & Logic Functions
Chapter
6
Overload Curves
Figure 34 - Thermal Overload Curves
100000
10000
1000
100
10
1
1
2
Multiples of Full Load Amps
Trip Time in Seconds
3
4
5
6 7 8 9 10
600
400
200
100
50
25
10
5
Locked Rotor Time
(in seconds)
Trip times are for cold
(ambient) motor, without preload.
Service Factor, SF = 1.01
Acceleration Factor, TD = 1.00
Run State Time Constant, RTC = Auto
Motor LRC = 6.0 • Ie
Relay Settings
Summary of Contents for 825-P
Page 1: ...Modular Protection System for Motors Catalog Number 825 P User Manual...
Page 4: ...4 Rockwell Automation Publication 825 UM004D EN P November...
Page 64: ...64 Rockwell Automation Publication825 UM004D EN P November 2012 Chapter 5 Using MPS Explorer...
Page 234: ...234 Rockwell Automation Publication 825 UM004D EN P April 2012 Chapter B ParameterList...
Page 265: ......