Appendix B—Installation Guidelines
DG1 Series VFD MN040002EN—March 2014 www.eaton.com 53
Table 36. 460V Temperature and Switching Frequency Deratings (CT)
Note
1
FR6 available in 2015.
Constant Torque
(CT) /High
Overload (I
H
)
Frame
Size
Percentage of Rated Current
Switching Frequency
Temperature 1 kHz 2 kHz 3 kHz 3.6 kHz 4 kHz 5 kHz 6 kHz 7 kHz 8 kHz 9 kHz 10 kHz 12 kHz
40°C FR1 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 96.1% 92.1% 88.2% 82.2% 76.3%
FR2 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 93.5% 87.0%
FR3 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 95.7% 89.1% 82.6%
FR4 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 94.8% 89.7% 84.5% 79.3% —
FR5 100.0% 100.0% 100.0% 100.0% 94.1% 88.2% 82.4% 75.0% 67.6% 60.3% 52.9% —
FR6
1
1
1
1
1
1
1
1
1
1
1
—
50°C FR1 100.0% 100.0% 100.0% 100.0% 100.0% 95.7% 91.4% 87.1% 82.9% 78.6% 72.2% 65.8%
FR2 100.0% 100.0% 100.0% 100.0% 100.0% 95.7% 91.3% 87.0% 82.6% 78.3% 71.7% 65.2%
FR3 100.0% 100.0% 100.0% 100.0% 100.0% 94.6% 89.1% 83.7% 78.3% 72.8% 64.7% 56.5%
FR4 100.0% 100.0% 100.0% 100.0% 96.0% 92.0% 87.9% 82.9% 77.9% 72.8% 67.8% —
FR5 100.0% 100.0% 100.0% 100.0% 94.1% 88.2% 82.4% 75.0% 67.6% 60.3% 52.9% —
FR6
1
1
1
1
1
1
1
1
1
1
1
—
60°C FR1 92.1% 92.1% 92.1% 92.1% 92.1% 87.2% 82.2% 77.3% 72.3% 67.4% 60.0% 52.6%
FR2 78.3% 78.3% 78.3% 78.3% 78.3% 73.9% 69.6% 65.2% 60.9% 56.5% 50.0% 43.5%
FR3 80.4% 80.4% 80.4% 80.4% 80.4% 76.1% 71.7% 67.4% 63.0% 58.7% 52.2% 45.7%
FR4 87.4% 87.4% 87.4% 87.4% 83.0% 78.7% 74.4% 69.0% 63.6% 58.3% 52.9% —
FR5 82.4% 82.4% 82.4% 82.4% 77.2% 72.1% 66.9% 60.5% 54.0% 47.6% 41.2% —
FR6
1
1
1
1
1
1
1
1
1
1
1
—
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