Emerson Control Techniques Epsilon Eb Series Reference Manual page 44

Ambient Temperature parameter to the actual ambient temperature allows you to take
advantage of a lower temperature and could eliminate the need for an external shunt
resistor and controller.
The charts below indicate the operating range for a given ambient temperature.
140%
120%
100%
80%
60%
40%
20%
0%
0%
Figure 13: EN-208 Shunt Power RMS vs. Heatsink RMS
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20 C
30 C
40 C
50 C
50% 100%
Heatsink RMS
Operational Overview
150%
25