Table 36. 460V Temperature And Switching Frequency Deratings (Ct) - Eaton PowerXL DG1-323D7FB-C21C Installation Manual

Table 36. 460V Temperature and Switching Frequency Deratings (CT)

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