Mitsubishi Electric FR-A872-E Instruction Manual page 110

 575 VAC power input
• Inverter
Model FR-A872-[]
Applicable motor capacity SLD
*1
(kW) ND (initial setting)
Rated capacity SLD
*2
(kVA) ND (initial setting)
SLD
*3
Rated current (A)
ND (initial setting)
SLD
Overload current
*4
rating
ND (initial setting)
*5
Rated voltage
Power supply voltage
Control power supply auxiliary input
Permissible control power supply auxiliary
input fluctuation
Protection rating of structure (IEC 60529)
Cooling system
*7
Noise level (dB)
Approx. mass (kg)
*1 Indicates the maximum capacity applicable to voltage of 575 V.
*2 The rated output capacity is the value with respect to 575 V output voltage.
*3 Possible output currents during continuous operation under Real sensorless vector control or Vector control are shown in the table below.
PWM carrier
frequency
2 kHz
4 kHz
The PWM carrier frequency is automatically decreased to 2 kHz for heavy duty applications when operating the motor under Real sensorless
vector control or Vector control with a PWM carrier frequency of more than 6 kHz (Pr.72 ≥ 6). The carrier frequency stays at 4 kHz in fast-response
operation.
*4 The percentage of the overload current rating 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 maximum point of the voltage waveform at the inverter output side is the power supply voltage multiplied by about
*6 FR-DU08: IP40 (except for the PU connector)
*7 Values measured 1 m in front of the inverter and 1.6 m from the floor.
05690
400
355
567
510
569
512
110% 60 s, 120% 3 s (inverse-time characteristics) at surrounding air temperature of
40°C
150% 60 s, 200% 3 s (inverse-time characteristics) at surrounding air temperature of
40°C
Three-phase 525 to 600 V
742 to 891 VDC
Single-phase 525 to 690 V, 50/60 Hz
Frequency ±5%, voltage ±10%
*6
Open type (IP00)
Forced air
74
186
05690
SLD ND
472 A 440 A
284 A 296 A
06470
450
400
644
567
647
569
74
186
06470
SLD ND
537 A 489 A
323 A 330 A
07150
500
450
712
644
715
647
74
186
07150
SLD ND
593 A 556 A
357 A 375 A
.
6. SPECIFICATIONS
6.1 Inverter rating
1
2
3
4
5
6
7
8
9
10
109