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Appendix B—Installation guidelines
POWERXL SERIES VFD MN040002EN—February 2018 www.eaton.com
Table 50. 480 V temperature deratings (VT)
Shading indicates default switching frequency for each frame size.
Variable torque (VT)/
low overload (I
L
)
Frame
size
Maximum rated current (A), 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 FR0 7.6 A
(100%)
7.6 A
(100%)
7.6 A
(100%)
7.6 A
(100%)
7.6 A
(100%)
7.6 A
(100%)
7.6 A
(100%)
7.4 A
(97.2%)
7.2 A
(94.3%)
7 A
(91.5%)
6.7 A
(88.6%)
6.3 A
(82.9%)
FR1 12 A
(100%)
12 A
(100%)
12 A
(100%)
12 A
(100%)
12 A
(100%)
12 A
(100%)
12 A
(100%)
11.2 A
(93.7%)
10.5 A
(87.5%)
9.7 A
(81.2%)
9 A
(75%)
7.5 A
(62.5%)
FR2 31 A
(100%)
31 A
(100%)
31 A
(100%)
31 A
(100%)
31 A
(100%)
31 A
(100%)
31 A
(100%)
29.5 A
(95.1%)
28 A
(90.3%)
26.5 A
(85.4%)
25 A
(80.6%)
22 A
(70.9%)
FR3 61 A
(100%)
61 A
(100%)
61 A
(100%)
61 A
(100%)
61 A
(100%)
61 A
(100%)
61 A
(100%)
58.2 A
(95.4%)
55.5 A
(90.9%)
52.7 A
(86.4%)
50 A
(81.9%)
44.5 A
(72.9%)
FR4 105 A
(100%)
105 A
(100%)
105 A
(100%)
105 A
(100%)
102.7 A
(97.8%)
97.1 A
(92.5%)
91.5 A
(87.1%)
85.8 A
(81.7%)
80.2 A
(76.4%)
74.6 A
(71%)
69 A
(65.7%)
—
FR5 205 A
(100%)
205 A
(100%)
205 A
(100%)
205 A
(100%)
199.6 A
(97.3%)
186.3 A
(90.8%)
173 A
(84.3%)
159.5 A
(77.8%)
146 A
(71.2%)
132.5 A
(64.6%)
119 A
(58%)
—
FR6 310 A
(100%)
310 A
(100%)
310 A
(100%)
—290 A
(93.5%)
270
(87.1%)
250 A
(80.6%)
230 A
(74.2%)
210 A
(67.7%)
190 A
(61.3%)
170 A
(54.8%)
—
50 °C FR0 7.6 A
(100%)
7.6 A
(100%)
7.6 A
(100%)
7.6 A
(100%)
7.6 A
(100%)
7.6 A
(100%)
7.6 A
(100%)
7.2 A
(94.3%)
6.7 A
(88.6%)
6.3 A
(82.9%)
5.9 A
(77.2%)
5 A
(65.8%)
FR1 9 A
(75%)
9 A
(75%)
9 A
(75%)
9 A
(75%)
9 A
(75%)
9 A
(75%)
9 A
(75%)
8.5 A
(70.8%)
8 A
(66.6%)
7.5 A
(62.5%)
7 A
(58.3%)
6 A (50%)
FR2 25 A
(80.6%)
25 A
(80.6%)
25 A
(80.6%)
25 A
(80.6%)
25 A
(80.6%)
25 A
(80.6%)
25 A
(80.6%)
24 A
(77.4%)
23 A
(74.1%)
22 A
(70.9%)
21 A
(67.7%)
19 A
(61.2%)
FR3 51.8 A
(84.9%)
51.8 A
(84.9%)
51.8 A
(84.9%)
51.8 A
(84.9%)
51.8 A
(84.9%)
51.8 A
(84.9%)
51.8 A
(84.9%)
49.4 A
(81%)
47.1 A
(77.2%)
44.7 A
(73.3%)
42.4 A
(69.5%)
37.7 A
(61.8%)
FR4 92 A
(87.6%)
92 A
(87.6%)
92 A
(87.6%)
92 A
(87.6%)
89.9 A
(85.6%)
84.7 A
(80.7%)
79.6 A
(75.8%)
74.4 A
(70.9%)
69.3 A
(66%)
64.1 A
(61.1%)
59 A
(56.1%)
—
FR5 170 A
(82.9%)
170 A
(82.9%)
170 A
(82.9%)
170 A
(82.9%)
165 A
(80.4%)
152.5 A
(74.3%)
140 A
(68.2%)
127.5 A
(62.1%)
115 A
(56%)
102.5 A
(50%)
90 A
(43.9%)
—
FR6 295 A
(95.2%)
275 A
(88.7%)
255 A
(82.2%)
—235 A
(75.8%)
215 A
(69.3%)
195 A
(62.9%)
175 A
(56.4%)
155 A
(50%)
135 A
(43.5%)
115 A
(37%)
—
60 °C FR0 7.6 A
(100%)
7.6 A
(100%)
7.6 A
(100%)
7.6 A
(100%)
7.6 A
(100%)
7.6 A
(100%)
7.6 A
(100%)
7.1 A
(93.4%)
6.6 A
(86.8%)
6.1 A
(80.3%)
5.6 A
(73.7%)
4.6 A
(60.5%)
FR1 7 A
(58.3%)
7 A
(58.3%)
7 A
(58.3%)
7 A
(58.3%)
7 A
(58.3%)
7 A
(58.3%)
7 A
(58.3%)
6.5 A
(54.1%)
6 A (50%) 5.5 A
(45.8%)
5 A
(41.6%)
4 A
(33.3%)
FR2 21 A
(67.7%)
21 A
(67.7%)
21 A
(67.7%)
21 A
(67.7%)
21 A
(67.7%)
21 A
(67.7%)
21 A
(67.7%)
20 A
(64.5%)
19 A
(61.2%)
18 A
(58%)
17 A
(54.8%)
15 A
(48.3%)
FR3 43.5 A
(71.3%)
43.5 A
(71.3%)
43.5 A
(71.3%)
43.5 A
(71.3%)
43.5 A
(71.3%)
43.
5 A
(71.3%)
43.5 A
(71.3%)
41.6 A
(68.2%)
39.8 A
(65.2%)
37 A
(60.7%)
34.3 A
(56.2%)
29.7 A
(48.6%)
FR4 76 A
(72.3%)
76 A
(72.3%)
76 A
(72.3%)
76 A
(72.3%)
74.1 A
(70.5%)
69.4 A
(66.1%)
64.7 A
(61.6%)
60 A
(57.2%)
55.3 A
(52.7%)
50.6 A
(48.2%)
46 A
(43.8%)
—
FR5 140 A
(68.2%)
140 A
(68.2%)
140 A
(68.2%)
140 A
(68.2%)
135.6 A
(66.1%)
124.6 A
(60.8%)
113.7 A
(55.4%)
102.8 A
(50.1%)
91.8 A
(44.8%)
80.9 A
(39.4%)
70 A
(34.1%)
—
FR6 250 A
(80.6%)
230 A
(74.2%)
210 A
(67.7%)
—190 A
(61.3%)
170 A
(54.8%)
150 A
(48.4%)
130 A
(41.9%)
110 A
(35.5%)
90 A
(29%)
70 A
(22.6%)
—
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