Allen-Bradley 1769-PA2K - Page 26

26 Rockwell Automation Publication 1769-IN028I-EN-P - July 2020
Compact I/O Expansion Power Supplies
1769-PA4, 1769-PA4K Output Derating
1769-PB4, 1769-PB4K Output Derating
+24V Bus Load (Amps)
+5V Bus Load (Amps)
4.0
3.0
2.0
1.0
0.0
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
1.7
2.6
55 °C
60 °C
Total Output: 68 W at 55 °C (131 °F) or below
61 W at 60 °C (140 °F) or below
+24V Bus Load (Amps)
+5V Bus Load (Amps)
4.0
3.0
2.0
1.0
0.0
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
1.7
2.6
55 °C
60 °C
Total Output: 68 W at 55 °C (131 °F) or below
61 W at 60 °C (140 °F) or below