Installation Manual

Appendix B—Installation Guidelines

52 DG1 Series VFD MN040002EN—March 2014 www.eaton.com

Table 35. 460V Temperature and Switching Frequency Deratings (VT)

Note

FR6 available in 2015.

Variable Torque

(VT) /Low

Overload (I

)

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% 93.8% 87.5% 81.3% 75.0% 62.5%

FR2 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 95.2% 90.3% 85.5% 80.6% 71.0%

FR3 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 95.5% 91.0% 86.5% 82.0% 73.0%

FR4 100.0% 100.0% 100.0% 100.0% 95.7% 91.4% 87.1% 81.8% 76.4% 71.1% 65.7% —

FR5 100.0% 100.0% 100.0% 100.0% 94.8% 89.6% 84.4% 77.8% 71.2% 64.6% 58.0% —

FR6

—

50°C FR1 75.0% 75.0% 75.0% 75.0% 75.0% 75.0% 75.0% 70.8% 66.7% 62.5% 58.3% 50.0%

FR2 80.6% 80.6% 80.6% 80.6% 80.6% 80.6% 80.6% 77.4% 74.2% 71.0% 67.7% 61.3%

FR3 84.9% 84.9% 84.9% 84.9% 84.9% 84.9% 84.9% 81.1% 77.2% 73.4% 69.5% 61.8%

FR4 87.6% 87.6% 87.6% 87.6% 83.7% 79.8% 75.8% 70.9% 66.0% 61.1% 56.2% —

FR5 82.9% 82.9% 82.9% 82.9% 78.0% 73.2% 68.3% 62.2% 56.1% 50.0% 43.9% —

FR6

—

60°C FR1 58.3% 58.3% 58.3% 58.3% 58.3% 58.3% 58.3% 54.2% 50.0% 45.8% 41.7% 33.3%

FR2 67.7% 67.7% 67.7% 67.7% 67.7% 67.7% 67.7% 64.5% 61.3% 58.1% 54.8% 48.4%

FR3 71.3% 71.3% 71.3% 71.3% 71.3% 71.3% 71.3% 67.5% 63.8% 60.0% 56.2% 48.7%

FR4 72.4% 72.4% 72.4% 72.4% 68.8% 65.2% 61.7% 57.2% 52.7% 48.3% 43.8% —

FR5 68.3% 68.3% 68.3% 68.3% 64.0% 59.8% 55.5% 50.2% 44.8% 39.5% 34.1% —

FR6

—