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Inverter Hitachi L700/SJ700B Series



Kitoma Indonesia - Inverter Hitachi L700/SJ700B Series


3-phase 200V 11kW-75kW
3-phase 400V 11kW-160kW


High performance with Many useful Functions and User Friendly


Hitachi Industrial L700 Series AC Variable Speed Drives


Hitachi industrial L700 AC Variable Speed Drives outperforms on performance, capabilities and functions of its predecessor, the Hitachi L300P. The industrial L700 Series inverters come with improved sensorless vector (SLV) control algorithm, which allows L700 Series inverters to develop 150% torque at 0.5 Hz, ideal for wide range of applications. Another key upgrade in the L700 inverters (L700 AC Variable Frequency Drives) is Hitachi's EzSQ (Easy Sequence) built-in programming function, which provides the functionality of a PLC built into the inverter.


Hitachi Industrial SJ700B frequency inverter outperforms on performance, capabilities and functions of its predecessor the Hitachi L300P. The SJ700B Series comes with improved sensorless vector control algorithm, with allows SJ700B series inverters to develop 150% torque at 0.5Hz up to 75 kW and 120 % torque at 0.5 Hz up to 160 kW, ideal for wide range of applications. Another key upgrade in the SJ700B inverters is Hitachi's EZSQ ( Easy sequence) built-in programming function, which provides the functionality of a PLC built into the inverter.

  • Sensorless vector control
  • Easy operation with removable standard operator keypad
  • Built-in PLC like programming functions
  • Built-in Modbus/RTU communication
  • Carrier frequency selectable to 12kHz for quiet operation
  • Automatic energy savings function for fan and pump applications
  • Micro surge voltage suppress function
  • EU RoHS compliant
  • Ratings: 7.5kW to 160 kW 400V class / 3-phase



  • Automatic energy saving function for fan and pump applications
  • VT, CT and SLV control modes
  • Easy operation with removable standard operator keypad
  • Micro surge voltage suppress function
  • EU RoHS compliant
  • Built in PLC-like programming functions
  • Compact design
  • Built-in Modbus/RTU communication
  • Carrier frequency selectable to 12kHz for quiet operation
  • Ratings:
    • 15 to 100hp, 230V, 3 phase
    • 15 to 200hp, 460V, 3 phase
  • High starting Torque, Powerful Drive and easy setting
  • Trip avoidance function
  • Programming [EzSQ: Easy Sequence] function
  • Internal Option
  • Ease of Maintenance
  • Long life time components & Life time warning function
  • Easy Operation
  • Network compatibility
  • Global standards
  • Environmental Friendliness


Product Range


Applicable motor rating in kW 11 15 18.5 22 30 37 45 55 75 90 110 132 160
3-phase 200V LFF        
3-phase 400V HFF

● : Available


Inverter Hitachi L700/SJ700B Series : General Specifications


Items General Specifications
Control Control method Line to line sine wave pulse-width modulation (PWM) control
Output frequency range *1 0.1-400.0Hz (400kW : 0.1-120Hz)
Frequency accuracy Digital: ±0.01% of the maximum frequency, Analog: ±0.2%(25±10°C)
Frequency resolution Digital setting: 0.01Hz, Analog setting: (Maximum frequency)/4,000 (O terminal: 12bit 0-10V, O2 terminal: 12bit -10-+10V)
V/f characteristics V/f optionally variable (30-400Hz of base frequency),
V/f control (constant torque, reduced torque),
Sensorless vector control
Speed fluctuation *2 ±0.5% (sensorless vector control)
Acceleration/deceleration time 0.01-3,600sec. (Linear/curve, accel./decel. selection), Two-stage accel./decel.
Starting Torque 150% at 0.5Hz (Sensorless vector control),
90kW over : 120% at 0.5Hz (Sensorless vector control)
SJ700B : 120% at 0Hz(0Hz domain sensorless vector control)
Carrier frequency range 12.0(90kW and over : 0.5-8.0kHz)
DC braking Performs at start: under set frequency at deceleration, via an external input (braking force, time, and operating frequency).
Input signal Frequency
Operator Up and Down keys
External signal *3 DC 0-10V, -10-+10V (input impedance 10kΩ), 4-20mA (input impedance 100Ω)
External port Setting via RS485 communication
Forward /reverse
Start /stop
Operator Start/stop commands (forward/reverse switching by parameter setting)
External signal Forward-operation start/stop commands (reverse-operation start/stop possible when relevant commands are assigned to intelligent input terminals)3-wire
input possible (when relevant commands are assigned to control circuit terminals)
External port Setting via RS485 communication
input terminals
Terminals 8 terminals, NO/NC switchable, sink logic/source logic switchable
Functions Reverse operation (RV), Multi-speed 1 setting (CF1), Multi-speed 2 setting (CF2), Multi-speed 3 setting (CF3), Multi-speed 4 setting (CF4), Jogging (JG),external DC braking (DB), 2nd motor control (SET), 2-stage acceleration/deceleration (2CH), free-run stop (FRS), external trip (EXT), unattended start protection (USP), commercial power supply witching(CS), software lock (SFT), analog input switching (AT), 3rd motor control (SET3), reset (RS), starting by 3-wire input (STA), stopping by 3-wire input (STP), forward/reverse switching by 3-wire input (F/R), PID disable (PID), PID integration reset (PIDC), control gain switching (CAS), acceleration by remote control (UP),deceleration by remote control (DWN),
data clearance by remote control (UDC), forcible operation (OPE), Multi-speed bit 1 (SF1), Multi-speed bit 2 (SF2),
Multi-speed bit 3 (SF3), Multi-speed bit 4 (SF4), Multi-speed bit 5 (SF5), Multi-speed bit (SF6), Multi-speed bit 7 (SF7),
overload restriction selection (OLR),torque limit selection (enabling/disabling) (TL), torque limit 1 (TRQ1), torque limit 2(TRQ2),
P/PI switching (PPI), LAD cancellation (LAC), trigger for frequency addition (A145) (ADD), forcible-terminal operation (F-TM),
cumulative power clearance (KHC), general-purpose input 1 (MI1), general-purpose input 2 (MI2), general-purpose input 3 (MI3), general-purpose input 4 (MI4), general-purpose input 5 (MI5), general-purpose input 6 (MI6), general-purpose input 7 (MI7), general-purpose input 8 (MI8), analog command holding (AHD), Pulse counter (PCNT), Pulse counter clear (PCC),Emergency stop (EMR), no assignment (no)
Thermistor input 1 terminal (PTC characteristics)
Output signal Intelligent
output terminals
Terminals 5 open-collector output terminals, NO/NC switchable, sink logic/source logic switchable 1 relay (1c-contact) output terminal: NO/NC switchable
Functions Running (RUN), constant-speed reached (FA1), set frequency overreached (FA2), overload notice advance signal (1) (OL), output deviation for PID control(OD), alarm signal (AL), set frequency reached (FA3), over-torque (OTQ),
instantaneous power failure (IP), undervoltage (UV), torque limited (TRQ),operation time over (RNT), plug-in time over (ONT),
thermal alarm signal (THM), 0 Hz detection signal (ZS), set frequency overreached 2 (FA4),
set frequency reached 2 (FA5), overload notice advance signal (2) (OL2), PID feedback comparison (FBV),
communication line disconnection (NDc), logical operation result 1 (LOG1), logical operation result 2 (LOG2),
logical operation result 3 (LOG3), logical operation result 4 (LOG4), logical operation result 5 (LOG5)
logical operation result 6 (LOG6), capacitor life warning (WAC), cooling-fan speed drop (WAF),
starting contact signal (FR), heat sink overheat warning (OHF), low-current indication signal(LOC),
general-purpose output 1 (M01), general-purpose output 2 (M02), general-purpose output 3 (M03),
general-purpose output 4 (M04), generalpurpose output 5 (M05), general-purpose output 6 (M06), inverter ready (IRDY), forward rotation (FWR), reverse rotation (RVR), major failure (MJA), window comparator O (WCO),
window comparator OI (WCOI), window comparator O2 (WCO2), alarm code 0 to 3 (AC0 to AC3)
Monitor output
Analog voltage output, analog current output, pulse-string output
(e.g., A-F, D-F [n-fold, pulse output only], A, T, V, P)
Monitoring on display Output frequency, output current, output torque, frequency conversion data, trip history, input/output terminal status, electric power, and others
Other functions Free V/f setting (7 breakpoints), frequency upper/lower limit, jump (center) frequency, acceleration/deceleration according to characteristic curve, manual torque boost level/breakpoint, energy-saving operation, analog meter adjustment, start frequency setting, carrier frequency adjustment, electronic thermalfunction (available also for free setting),
external start/end frequency/frequency rate, analog input selection, retry after trip,
restart after instantaneous power failure, output of various signals, starting with reduced voltage, overload restriction, initial-value setting, automatic deceleration at power failure, AVR function, online/offline auto-tuning, high-torque multi-motor operation (sensorless vector control of two motors by one inverter)
Protective functions Overcurrent protection, overvoltage protection, undervoltage protection, electronic thermal protection, temperature error protection, instantaneous power failure protection, phase loss input protection, braking-resistor overload protection, ground-fault current detection at power-on, USP error, external trip, emergency stop trip, CT error, communication error, option board error, and others
Ambient operating /
storage temperature*4/
L700 : -10-40°C, SJ700B : -10-45°C / -20-65°C / 20-90%RH (No condensation)
Location*5 Altitude 1,000m or less, indoors (no corrosive gases or dust)
Options Digital input expansion card SJ-DG (4digits BCD, 16bits binary)
Feedback expansion card SJ-FB (vector control loop speed sensor)
Network interface card SJ-DN(DeviceNetTM), SJ-PBT(PROFIBUSR), SJ-LW(LONWORKSR)
Others EMI filters, input/output reactors, radio noize filters,
braking resistors, braking units, LCR filter, communication cables

*1 To operate the motor beyond 50/60Hz, please consult with the motor manufacturer about the maximum allowable rotation speed.
*2 As for the range of the speed change, the variation range is different according to the installation situation and the characteristic and the usage condition of the motor. Please inquire about details.
*3 The frequency command will equal the maximum frequency at 9.8V for input voltage 0 to 10VDC, or at 19.8mA for input current 4 to 20mA.If this characteristic is not satisfactory for your application, contact your Hitachi sales representative.
*4 Storage temperature refers to the temperature in transportation.
*5 The density of air decreases by 1% whenever rising by 100m when the altitude exceeds 1000m. Therefore, it is necessary to decrease the calorific value. The calorific value of the main circuit semiconductor such as IGBT is proportional to the current and the voltage. Therefore, please decrease by 1% and use the current rating every time it rises by 100m.Please inquires about use in the high ground of 2500m or more.


Inverter Hitachi L700/SJ700B Series : 3-phase 400V class Standard Specifications


Model L700/SJ700B- 110HFF 150HFF 185HFF 220HFF 300HFF 370HFF 450HFF 550HFF 750HFF 900HFF 1100HFF 1320HFF 1600HFF
Enclosure *1 IP20 IP00
Applicable motor (4-pole, kW(HP)) *2 11(15) 15(20) 18.5(25) 22(30) 30(40) 37(50) 45(60) 55(75) 75(100) 90(125) 110(150) 132(175) 160(220)
Output Ratings Rated capacity


20.9 25.6 30.4 39.4 48.4 58.8 72.7 93.5 110.8 135 159.3 200.9
480V 18.2 24.1 30.7 36.5 47.3 58.1 70.6 87.2 112.2 133 162.1 191.2 241.1
Rated output current (A)


29 37 43 57 70 85 105 135 160 195 230 290
Overload capacity (output current) 120%,60sec
Rated output voltage *3 3-phase (3-wire) 380 to 480V (corresponding to input voltage)
Input Rating Rated input voltage (V) 3-phase 380 to 480V+10%, -15%, 50/60Hz±5%
Braking Dynamic braking (Short-time) *4 Built-in BRD circuit (optional resistor) External dynamic braking unit(option)
Minimum value of resistor (Ω) 35 35 24 24 20
Vibration *5 5.9m/s2(0.6G), 10-55Hz 2.9m/s2(0.3G), 10-55Hz
Integrated EMC filter Built-in(EN61800-3 category C3)
Zero-phase Reactor Built-in
Weight (lbs.) 6(13.2) 6(13.2) 14(30.8) 14(30.8) 14(30.8) 22(48.4) 30(66) 30(66) 30(66) 55(121) 55(121) 70(154) 70(154)

*1 The protection method conforms to JIS C 0920(IEC60529).
*2 The applicable motor refers to Hitachi standard 3-phase motor (4-pole).
To use other motors, be sure to prevent the rated motor current (50Hz) from exceeding the rated output current of the inverter.
*3 The output voltage decreases as the main power supply voltage decreases except for the use of AVR function.
*4 Braking resistor is not integrated in the inverter. Please install optional braking resistor or dynamic braking unit when large braking torque is required.
*5 Conforms to the test method specified in JIS C 60068-2-6:2010(IEC 60068-2-6:2007).


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