68
Appendix B—Installation guidelines
POWERXL SERIES VFD MN040002EN—February 2018 www.eaton.com
Table 51. 480 V temperature deratings (CT)
Shading indicates default switching frequency for each frame size.
Constant torque (CT)/
high overload (I
H
)
Maximum rated current (A), percentage of rated current
Switching frequency
Temperature
Frame
size
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 5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
FR1 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%)
7.3 A
(96%)
7 A
(92.1%)
6.7 A
(88.1%)
6.4 A
(84.2%)
5.8 A
(76.3%)
FR2 23 A
(100%)
23 A
(100%)
23 A
(100%)
23 A
(100%)
23 A
(100%)
23 A
(100%)
23 A
(100%)
23 A
(100%)
23 A
(100%)
23 A
(100%)
22 A
(95.6%)
20 A
(86.9%)
FR3 46 A
(100%)
46 A
(100%)
46 A
(100%)
46 A
(100%)
46 A
(100%)
46 A
(100%)
46 A
(100%)
46 A
(100%)
46 A
(100%)
44 A
(95.6%)
42 A
(91.3%)
38 A
(82.6%)
FR4 87 A
(100%)
87 A
(100%)
87 A
(100%)
87 A
(100%)
87 A
(100%)
87 A
(100%)
87 A
(100%)
82.5 A
(94.8%)
78 A
(89.6%)
73.5 A
(84.4%)
69 A
(79.3%)
—
FR5 170 A
(100%)
170 A
(100%)
170 A
(100%)
170 A
(100%)
170 A
(100%)
170 A
(100%)
170 A
(100%)
157.5 A
(92.6%)
145 A
(85.2%)
132.5 A
(77.9%)
120 A
(70.5%)
—
FR6 245 A
(100%)
245 A
(100%)
245 A
(100%)
—245 A
(100%)
245 A
(100%)
230 A
(93.8%)
215 A
(87.7%)
200 A
(81.6%)
185 A
(75.5%)
170 A
(69.4%)
—
50 °C FR0 5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5 A
(89.3%)
FR1 7.6 A
(100%)
7.6 A
(100%)
7.6 A
(100%)
7.6 A
(100%)
7.6 A
(100%)
7.2 A
(95.7%)
6.9 A
(91.4%)
6.6 A
(87.1%)
6.2 A
(82.8%)
5.9 A
(78.5%)
5.6 A
(74.2%)
5 A
(65.7%)
FR2 23 A
(100%)
23 A
(100%)
23 A
(100%)
23 A
(100%)
23 A
(100%)
22 A
(95.6%)
21 A
(91.3%)
20 A
(86.9%)
19 A
(82.6%)
18 A
(78.2%)
17 A
(73.9%)
15 A
(65.2%)
FR3 46 A
(100%)
46 A
(100%)
46 A
(100%)
46 A
(100%)
46 A
(100%)
43.5 A
(94.5%)
41 A
(89.1%)
38.5 A
(83.6%)
36 A
(78.2%)
33.5 A
(72.8%)
31 A
(67.3%)
26 A
(56.5%)
FR4 87 A
(100%)
87 A
(100%)
87 A
(100%)
87 A
(100%)
85.2 A
(97.9%)
80.8 A
(92.9%)
76.5 A
(87.9%)
72.1 A
(82.9%)
67.7 A
(77.8%)
63.3 A
(72.8%)
59 A
(67.8%)
—
FR5 170 A
(100%)
170 A
(100%)
170 A
(100%)
170 A
(100%)
165 A
(97%)
152.5 A
(89.7%)
140 A
(82.3%)
127.5 A
(75%)
115 A
(67.6%)
102.5 A
(60.2%)
90 A
(52.9%)
—
FR6 245 A
(100%)
245 A
(100%)
245 A
(100%)
—227 A
(92.6%)
209 A
(85.3%)
191 A
(77.9%)
173 A
(70.6%)
155 A
(63.2%)
137 A
(55.9%)
119 A
(48.6%)
—
60 °C FR0 5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
5.6 A
(100%)
4.6 A
(82.1%)
FR1 7 A
(92.1%)
7 A
(92.1%)
7 A
(92.1%)
7 A
(92.1%)
7 A
(92.1%)
6.6 A
(87.1%)
6.2 A
(82.2%)
5.8 A
(77.2%)
5.4 A
(72.3%)
5.1 A
(67.3%)
4.7 A
(62.4%)
4 A
(52.6%)
FR2 18 A
(78.2%)
18 A
(78.2%)
18 A
(78.2%)
18 A
(78.2%)
18 A
(78.2%)
17 A
(73.9%)
16 A
(69.5%)
15 A
(65.2%)
14 A
(60.8%)
13 A
(56.5%)
12 A
(52.1%)
10 A
(43.4%)
FR3 37 A
(80.4%)
37 A
(80.4%)
37 A
(80.4%)
37 A
(80.4%)
37 A
(80.4%)
35 A
(76%)
33 A
(71.7%)
31 A
(67.3%)
29 A
(63%)
27 A
(58.6%)
25 A
(54.3%)
21 A
(45.6%)
FR4 76 A
(87.3%)
76 A
(87.3%)
76 A
(87.3%)
76 A
(87.3%)
74.1 A
(85.2%)
69.4 A
(79.8%)
64.7 A
(74.4%)
60 A
(69%)
55.3 A
(63.6%)
50.6 A
(58.2%)
46 A
(52.8%)
—
FR5 140 A
(82.3%)
140 A
(82.3%)
140 A
(82.3%)
140 A
(82.3%)
135.6 A
(79.7%)
124.6 A
(73.3%)
113.7 A
(66.9%)
102.8 A
(60.4%)
91.8 A
(54%)
80.9 A
(47.6%)
70 A
(41.1%)
—
FR6 240 A
(97.9%)
222 A
(90.6%)
204 A
(83.3%)
—186 A
(75.9%)
168 A
(68.6%)
150 A
(61.2%)
132 A
(53.9%)
114 A
(46.5%)
96 A
(39.2%)
78 A
(31.8%)
—
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