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Appendix B—Installation guidelines
POWERXL SERIES VFD MN040002EN—February 2018 www.eaton.com
Table 52. 600 V temperature deratings (VT)
Shading indicates default switching frequency for each frame size.
Variable torque (VT)/
low overload (I
L
)
Maximum rated current (A), percentage of rated current
Switching frequency
Temperature
Frame size
1 kHz 1.5 kHz 2.5 kHz 3.5 kHz 4.5 kHz 5.5 kHz 6 kHz
40 °C FR1 10 A
(100%)
10 A
(100%)
10 A
(100%)
10 A
(100%)
8 A
(80%)
6 A
(60%)
4 A
(40%)
FR2 22 A
(100%)
22 A
(100%)
22 A
(100%)
22 A
(100%)
19.5 A
(88.6%)
16.9 A
(77.2%)
14.5 A
(65.9%)
FR3 41 A
(100%)
41 A
(100%)
41 A
(100%)
41 A
(100%)
37.9 A
(92.6%)
35 A
(85.3%)
32 A
(78%)
FR4 80 A
(100%)
80 A
(100%)
80 A
(100%)
80 A
(100%)
70 A
(87.5%)
60 A
(75%)
50 A
(62.5%)
FR5 144 A
(100%)
144 A
(100%)
144 A
(100%)
123.9 A
(86.1%)
103.9 A
(72.2%)
83.9 A
(58.3%)
63.9 A
(44.4%)
FR6 250
(100%)
250
(100%)
218
(87.2%)
186
(74.4%)
154
(61.6%)
122
(48.8%)
106
(42.4%)
50 °C FR1 8 A
(80%)
8 A
(80%)
8 A
(80%)
8 A
(80%)
6.5 A
(65%)
5 A
(50%)
3.5 A
(35%)
FR2 18 A
(81.8%)
18 A
(81.8%)
18 A
(81.8%)
18 A
(81.8%)
16 A
(72.7%)
14 A
(63.6%)
12 A
(54.5%)
FR3 34 A
(82.9%)
34 A
(82.9%)
34 A
(82.9%)
34 A
(82.9%)
31 A
(75.6%)
27.9 A
(68.2%)
25 A
(60.9%)
FR4 70 A
(87.5%)
70 A
(87.5%)
70 A
(87.5%)
70 A
(87.5%)
59.6 A
(74.5%)
49.2 A
(61.5%)
38.8 A
(48.5%)
FR5 125 A
(86.8%)
125 A
(86.8%)
125 A
(86.8%)
108 A
(75%)
90.9 A
(63.1%)
74 A
(51.3%)
56.9 A
(39.5%)
FR6 208
(83.2%)
208
(83.2%)
176
(70.4%)
144
(57.6%)
112
(44.8%)
80
(32%)
64
(25.6%)
60 °C FR1 5.3 A
(53%)
5.3 A
(53%)
5.3 A
(53%)
5.3 A
(53%)
4.4 A
(44%)
3.5 A
(35%)
2.6 A
(26%)
FR2 13 A
(59.1%)
13 A
(59.1%)
13 A
(59.1%)
13 A
(59.1%)
11 A
(50%)
9 A
(40.9%)
7 A
(31.8%)
FR3 27 A
(65.9%)
27 A
(65.9%)
27 A
(65.9%)
27 A
(65.9%)
23 A
(56.1%)
18.9 A
(46.3%)
15 A
(36.5%)
FR4 58 A
(72.5%)
58 A
(72.5%)
58 A
(72.5%)
58 A
(72.5%)
49.6 A
(62%)
41.2 A
(51.5%)
32.8 A
(41%)
FR5 105 A
(72.9%)
105 A
(72.9%)
105 A
(72.9%)
90 A
(62.5%)
75 A
(52%)
60 A
(41.6%)
45 A
(31.2%)
FR6 203
(81.2%)
188
(75.2%)
158
(63.2%)
128
(51.2%)
98
(39.2%)
68
(27.2%)
53
(21.2%)