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7
Appendix A
&,
Models B4550 to B430K
Inverter model 3G3IV-
-
380 to 460 V
B4550
B4750
B411K
B416K
B418K
B422K
B430K
Max. applicable motor
output Hp (kW) (See
Note 1)
Rated output
75
(55)
100
(75)
150
(110)
200
(160)
250
(185)
300
(220)
400
(300)
(
) (
Note 1)
Max. continuous output
100
(75)
150
(110)
200
(160)
250
(185)
300
(220)
400
(300)
500
(355)
Output characteristics
Inverter capacity kVA
110
140
200
250
290
380
510
Rated output current A
128
165
224
300
340
450
600
Max. continuous output
current (See Note 2) A
144
180
252
337
380
506
675
Max. output voltage
3-phase, 380/400/415/440/460 V (Proportional to input
voltage)
Rated output frequency
50, 60, 72, 90, 120, 180 Hz (up to 400 Hz available)
Power Supply
Rated input voltage and
frequency
3-Phase 380/400/415/440/460 V, 50/60 Hz
Allowable voltage fluctuation
±
10%
Allowable frequency
fluctuation
±
5%
Control characteristics
Control method
Sine wave PWM
Frequency control range
0.1 to 400 Hz
Frequency accuracy
Digital command:
0.01%, +14
°
to 104
°
F, --10
°
to 40
°
C
Analog command:
0.1%, 77
°
±
18
°
F, 25
°
±
10
°
C
Frequency resolution
Digital operator reference: 0.1 Hz
Analog reference:
0.06 Hz/60 Hz
Control characteristics
Output frequency resolution
0.01 Hz (1/30000)
Overload capacity
150% rated output current for one minute/
110% max. continuous output current for one minute
Frequency setting signal
0 to 10 VDC (20 k
Ω
), 4 to 20 mA (250
Ω
),
0
±
10 V (OPTIONAL)
Accel/Decel time
0.1 to 6000 sec. (Accel/Decel time setting independently)
Braking torque
Approx. 20%
No. of V-f patterns
(Total of 16)
4: For general purpose
4: For high starting torque:
4: For fans and pumps
3: For machine tools.
Protective functions
Motor overload protection
Electric thermal overload relay
Instantaneous overcurrent
Motor coasts to a stop at approx. 200% rated current.
Fuse blown protection
Motor coasts to a stop by blown-fuse.
Overload
Motor coasts to a stop for 1 minute at 150% rated output
current./motor coasts to a stop for 1 minute at 110% max.
continuous output current.
Overvoltage
Motor coasts to a stop if converter output voltage exceeds
800 V. (approx. 700 V) (see Note 3)
Undervoltage
Motor coasts to a stop if converter output voltage drops to
420 V or below.
Momentary power loss
Immediately stop by 15 ms and above momentary power loss.
(Continuous system operation during power loss less than 2
sec is equipped as standard.) Setting made before shipment.
Fin overheat
Thermostat
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