Allen-Bradley 1769-PA2K - Power Dissipation

Rockwell Automation Publication 1769-IN028I-EN-P - July 2020 27
Compact I/O Expansion Power Supplies
Power Dissipation
The following graphs indicate the real electrical power dissipation of the power supply in
function of the electrical load.
1769-PA2, 1769-PA2K Real Power Dissipation
1769-PB2, 1769-PB2K Real Power Dissipation
Bus +5V, +24V, and User +24V Load
(Watts)
Real Power Dissipated
(Watts)
40
30
20
10
0
10
9
8
7
6
5
4
3
2
1
0
60 °C
55 °C
Real Power Dissipated
(Watts)
Bus + 5V and 24V Load
(Watts)
60 °C
4030
20
100
10
9
8
7
6
5
4
3
2
1
0