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SPECIFICATIONS
•400V class
Type FR-F740P-K 0.75 1.5 2.2 3.7 5.5 7.5 11 15 18.5 22 30 37 45 55
Applicable motor capacity (kW)*1
0.75 1.5 2.2 3.7 5.5 7.5 11 15 18.5 22 30 37 45 55
Output
Rated capacity (kVA)*2 1.6 2.7 3.7 5.8 8.8 12.2 17.5 22.1 26.7 32.8 43.4 53.3 64.8 80.8
Rated current (A)*3
2.1
(1.8)
3.5
(3.0)
4.8
(4.1)
7.6
(6.4)
11.5
(9.8)
16
(13)
23
(19)
29
(24)
35
(30)
43
(36)
57
(48)
70
(60)
85
(72)
106
(90)
Overload current rating*4
120% 60s, 150% 3s (inverse-time characteristics)
Rated voltage*5 Three-phase 380 to 480V
Power supply
Rated input AC voltage/
frequency
Three-phase 380 to 480V 50Hz/60Hz
Permissible AC voltage
fluctuation
323 to 528V 50Hz/60Hz
Permissible frequency
fluctuation
±5%
Power supply
system capacity
(kVA)
*6
Without
DC
reactor
2.1 4.0 4.8 8.0 11.5 16 20 27 32 41 52 65 79 99
With DC
reactor
1.2 2.6 3.3 5.0 8.1 10 16 19 24 31 41 50 61 74
Protective structure
(JEM 1030)*8
Enclosed type (IP20)*7 Open type (IP00)
Cooling system
Self-cooling Forced air cooling
Approx. mass (kg)
3.5 3.5 3.5 3.5 3.5 6.5 6.5 7.5 7.5 13 13 23 35 35
Type FR-F740P-K
75 90 110 132 160 185 220 250 280 315 355 400 450 500 560
Applicable motor capacity
(kW)
*1
75 90 110 132 160 185 220 250 280 315 355 400 450 500 560
Output
Rated capacity (kVA)*2
110 137 165 198 247 275 329 366 416 464 520 586 659 733 833
Rated current (A)*3
144
(122)
180
(153)
216
(183)
260
(221)
325
(276)
361
(306)
432
(367)
481
(408)
547
(464)
610
(518)
683
(580)
770
(654)
866
(736)
962
(817)
1094
(929)
Overload current rating*4
120% 60s, 150% 3s
(inverse-time characteristics)
Rated voltage*5
Three-phase 380 to 480V
Power supply
Rated input AC voltage/
frequency
Three-phase 380 to 480V 50Hz/60Hz
Permissible AC voltage
fluctuation
323 to 528V 50Hz/60Hz
Permissible frequency
fluctuation
±5%
Power supply
system capacity
(kVA)
*6
Without DC
reactor
- - - - - - - - - - - - - - -
With DC
reactor
110 137 165 198 247 275 329 366 416 464 520 586 659 733 833
Protective structure
(JEM 1030)*8
Open type (IP00)
Cooling system
Forced air cooling
Approx. mass (kg)
37 50 57 72 72 110 110 175 175 175 260 260 370 370 370
*1 The applicable motor capacity indicated is the maximum capacity applicable for use of the Mitsubishi 4-pole standard motor. To use a
dedicated IPM motor, refer to page 359 and 360.
*2 The rated output capacity indicated assumes that the output voltage is 440V.
*3 When operating the inverter with the carrier frequency set to 3kHz or more, the carrier frequency automatically decreases if the inverter
output current exceeds the value in parenthesis of the rated current. This may cause the motor noise to increase.
*4 The % value of the overload current rating indicated is the ratio of the overload current to the inverter's rated output current. For repeated
duty, allow time for the inverter and motor to return to or below the temperatures under 100% load.
*5 The maximum output voltage does not exceed the power supply voltage. The maximum output voltage can be changed within the setting
range. However, the pulse voltage value of the inverter output side voltage remains unchanged at about that of the power supply.
*6 The power supply capacity varies with the value of the power supply side inverter impedance (including those of the input reactor and cables).
*7 When the hook of the inverter front cover is cut off for installation of the plug-in option, protective structure of the inverter changes to an open
type (IP00).
*8 FR-DU07: IP40 (except for the PU connector)
2