Hitachi SJ300 Specifications page 3

SJ300 Inverter Specifications
Tables for 400V class inverters, continued...
Item
SJ300 inverters, UL version
400V models
CE version
Applicable motor size *2
Rated capacity (400 / 480V) kVA
Rated input voltage
Rated input current (A)
Rated output voltage *3
Rated output current (A)
Efficiency at 100% rated output, %
Watt loss, at 70% output
approximate (W)
at 100% output
Starting torque *6
Dynamic braking w/o braking unit
approx. % torque,
with braking unit
short time stop *7
DC braking
Weight kg / lb
Footnotes for the preceding tables and the table that follows:
Note 1: The protection method conforms to JEM 1030.
Note 2: The applicable motor refers to Hitachi standard 3-phase motor (4-pole). When using
Note 3: The output voltage decreases as the main supply voltage decreases (except when
Note 4: To operate the motor beyond 50/60 Hz, consult the motor manufacturer for the
Note 5: When SLV is selected, please set the carrier frequency higher than 2.1 kHz.
Note 6: At the rated voltage when using a Hitachi standard 3-phase, 4-pole motor (when
Note 7: The braking torque via capacitive feedback is the average deceleration torque at the
Note 8: The frequency command will equal the maximum frequency at 9.8V for input voltage
Note 9: The storage temperature refers to the short-term temperature during transport.
Note 10: Conforms to the test method specified in JIS C0911 (1984). For the model types
Note 11: NEMA 1 applies up to 22kW. An optional wire-entry conduit box is required for
750HFU 900HFU
750HFE 900HFE
HP 100 125
kW 75 90
103.2 / 123.8 121.9 / 146.3
3-phase (3-wire) 380 to 480V ±10%, 50/60 Hz ±5%
164 194
3-phase (3-wire): 380 to 480V (corresponding to input voltage)
149 176
95.2 95.2
2675 3375
3800 4800
180% at 0.5 Hz (SLV), 130% at around 0 Hz (SLV, 0 Hz domain,
with motor one frame size down), 100% at 0 Hz (with feedback board)
45–70% 40–60%
Variable operating frequency, time, and braking force
60 / 132 60 / 132
other motors, care must be taken to prevent the rated motor current (50/60 Hz) from
exceeding the rated output current of the inverter.
using the AVR function). In any case, the output voltage cannot exceed the input
power supply voltage.
maximum allowable rotation speed.
selecting sensorless vector control—SLV).
shortest deceleration (stopping from 50/60 Hz as indicated). It is not continuous
regenerative braking torque. The average decel torque varies with motor loss. This
value decreases when operating beyond 50 Hz. If a large regenerative torque is
required, the optional regenerative braking resistor should be used.
0 to 10 VDC, or at 19.6 mA for input current 4 to 20 mA. If this characteristic is not
satisfactory for your application, contact your Hitachi sales representative.
excluded in the standard specifications, contact your Hitachi sales representative.
30kW to 55kW models to meet NEMA 1 rating.
400V Class Specifications
1100HFU —
1100HFE 1320HFE
150 175
110 132
150.3 / 180.4 180.1 / 216.1
239 286
217 260
95.2 95.2
3900 4670
5550 6650
10%
30–50% 25–40%
80 / 176 80 / 176
1500HFU
—
200
150
180.1 / 216.1
286
260
95.2
4670
6650
20–35%
80 / 176