Hitachi SJ100 - Page 5

SJ100 Inverter
General Specifications
The following table applies to all SJ100 inverters.
Item 400V Class Specifications, continued
SJ100 inverters,
400V models
CE version 030HFE 040HFE 055HFE 075HFE
UL version — 040HFU 055HFU 075HFU
Applicable motor size *2 kW 3.0 4.0 5.5 7.5
HP 4 5 7.5 10
Rated capacity (460V) kVA 6.2 6.6 10.3 12.7
Rated input voltage 3-phase: 380 to 460V ±10%, 50/60 Hz ±5%
Rated input current (A) 10.0 11.0 16.5 20.0
Rated output voltage *3 3-phase: 380 to 460V (corresponding to input voltage)
Rated output current (A) 7.8 8.6 13 16
Efficiency at 100% rated output (%) 95.4 96.2 96.0 96.5
Watt loss,
approximate (W)
at 70% output 100 108 156 186
at 100% output 138 151 219 261
Starting torque *6 180% or more
Dynamic braking
approx. %
torque, short time
stop *7
without resistor,
from 50/60 Hz
20%: ≤ 50Hz
20%: ≤ 60Hz
with resistor 100% 80%
DC braking Variable operating frequency, time, and braking force
Weight kg 2.8 2.8 5.5 5.7
lb 6.17 6.17 12.13 12.57
Item General Specifications
Protective housing *1 IP20
Control method Sine wave pulse-width modulation (PWM) control
Output frequency range *4 0.5 to 360 Hz
Frequency accuracy Digital command: 0.01% of the maximum frequency
Analog command: 0.1% of the maximum frequency (25°C ± 10°C)
Frequency setting resolution Digital: 0.1 Hz; Analog: max. frequency/1000
Volt./Freq. characteristic *5 V/f optionally variable, V/f control (constant torque, reduced
torque), sensorless vector control
Overload current rating 150%, 60 seconds
Acceleration/deceleration time 0.1 to 3000 sec., (linear accel/decel), second accel/decel setting
available