frequency inverter VFD converter EM8 Series V/F Control Inverter

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 Advantage Feature:
Wide Voltage Range：320～480V
Input Frequency Range：45～65Hz
Output Voltage Range：0～rated input voltage
Output Frequency Range：0～500Hz
Overload Capacity:60s with 150% of rated current, 2s with 180% of rated current
From0.75～2.2KW Plastic house; 4～630KW is metal house
Control Mode: High Quality V/F Control
Speed Accuracy: V/F±0.5% of maximum speed
20 channels for frequency setting
Analog signal :0～10V;-10V～10V;0～20mA.
Pulse setting input: 0～50Khz.
Built-in RS485 communication port
All model are integrated IGBT
The malfunction ratio is 0.8% within 18 months warranty.
EM8-G1 V/F Inverter For General Use 200-240V
Single phase input &3phase output
Model No. Voltage Power Current G.W Inverter size Installation dimension
(V) (KW) (A) (KG) H/W/D(mm) H/W/P(mm)
EM8-G1-d75 220 0.75 5 3 170*108*145 157/108/4
EM8-G1-1d5 220 1.5 7.5
EM8-G1-2d2 220 2.2 10

EM8-G3 V/F Control Inverter For General Use 320-480V
3 phase input &3phase output
Model No. Voltage Power Current G.W Inverter size Installation dimension
(V) (KW) (A) (KG) H/W/D(mm) H/W/P(mm)
EM8-G3-d75 380 0.75 2.5 3 170*108*145 157/108/4
EM8-G3-1d5 380 1.5 3.7
EM8-G3-2d2 380 2.2 5
EM8-G3-004 380 4.0 8.5 5 260*100*194 257/100/4
EM8-G3-5d5 380 5.5 11 8 290*130*199 274/130/4
EM8-G3-7d5 380 7.5 17
EM8-G3-011 380 11 25 15 390*190*242 379/190/4
EM8-G3-015 380 15 33
EM8-G3-018 380 18.5 39
EM8-G3-022 380 22 45 25 450*190*252 420/190/4
EM8-G3-030 380 30 60
EM8-G3-037 380 37 75 45 590*260*312 565/260/6
EM8-G3-045 380 45 90
EM8-G3-055 380 55 110
EM8-G3-075 380 75 150 50 590*300*312 565/300/8
EM8-G3-093 380 93 176 95 765*260*327 750/260/8
EM8-G3-110 380 110 210
EM8-G3-132 380 132 250 140 916*300*347 898/300/8
EM8-G3-160 380 160 300
EM8-G3-185 380 185 340
EM8-G3-200 380 200 380
EM8-G3-220 380 220 415 300 1172*790*397 1172/790 With cabinet
EM8-G3-250 380 250 470
EM8-G3-280 380 280 520
EM8-G3-315 380 315 600
EM8-G3-350 380 350 640 450 1828*981*496 1828/981 With cabinet
EM8-G3-400 380 400 690
EM8-G3-500 380 500 860
EM8-G3-630 380 630 1100

EM8-P3 V/F Control Inverter For Fan&Pump Use 320-480V
3 phase input &3phase output
Model No. Voltage Power Current G.W Inverter size Installation dimension
(V) (KW) (A) (KG) H/W/D(mm) H/W/P(mm)
EM8-P3-1d5 380 1.5 3.7 3 170*108*145 157/108/4
EM8-P3-2d2 380 2.2 5
EM8-P3-004 380 4.0 8.5
EM8-P3-5d5 380 5.5 11 5 260*100*194 257/100/4
EM8-P3-7d5 380 7.5 17 8 290*130*199 274/130/4
EM8-P3-011 380 11 25
EM8-P3-015 380 15 33 15 390*190*242 379/190/4
EM8-P3-018 380 18.5 39
EM8-P3-022 380 22 45
EM8-P3-030 380 30 60 25 450*190*252 420/190/4
EM8-P3-037 380 37 75
EM8-P3-045 380 45 90 45 590*260*312 565/260/6
EM8-P3-055 380 55 110
EM8-P3-075 380 75 150
EM8-P3-093 380 93 176 50 590*300*312 565/300/8
EM8-P3-110 380 110 210 95 765*260*327 750/260/8
EM8-P3-132 380 132 250
EM8-P3-160 380 160 300 140 916*300*347 898/300/8
EM8-P3-185 380 185 340
EM8-P3-200 380 200 380
EM8-P3-220 380 220 415
EM8-P3-250 380 250 470 300 1172*790*397 1172/790 With cabinet
EM8-P3-280 380 280 520
EM8-P3-315 380 315 600
EM8-P3-350 380 350 640
EM8-P3-400 380 400 690 450 1828*981*496 1828/981 With cabinet
EM8-P3-500 380 500 860
EM8-P3-630 380 630 1100

Technical Specification
Items Standard
Input Rated voltage and frequency Three Phase 380V, 50/60Hz
Wide voltage Voltage allowable vibration range 320V~480V
Output Voltage 0~380V
Frequency 0Hz ~ 500Hz
Over-load capability G3 Series:
150% rated current for 1 minute,
180% rated current for 2 seconds;
P3 Series:
120% rated current for 1 minute,
150% rated current for 2 seconds.
Control mode V/F control
Freq. Setting resolution Analog terminal input 0.1% max output frequency
Digital setting 0.01Hz
Panel analog setting 0.4 % max frequency
External pulse 0.1% max frequency
Freq. accuracy Analog Input Within 0.2% max. output frequency
Digital Input Within 0.01% Setting output frequency
External pulse Within 0.1% Max. output frequency
Control character V/F Curve （Voltage-Frequency character） Base frequency can be set from 5~500Hz arbitrarily, and there are three kinds of curve: constant torque, Dec torque 1 and Dec torque 2.
Torque Boost Manual Setting: 0~20% of rated output, Auto-boost: Automatically boost
torque according to output current.
Auto Energy-saving running Adjust output voltage and slip
compensation properly according to output current, which will make the motor working in highest efficiency.
Acc./Dec time setting 0.1~6000 seconds can be set continuously, and S type and line type can be selected
Dynamic braking Over 75% (External the braking resistor)
DC braking It is selected respectively at start and stop, and its frequency is 0~15Hz, the action voltage is 0~15%, and the action time is 0~20.0 second or act continuously
Auto current-limiting function Fast auto current-limiting function ensures not to occur the over-current during the accelerate process or under the impact load.
Voltage stall prevention Ensure not over-voltage in Dec process.
Low noise running Carrier freq. can be adjusted continuously form 1.5KHz to 15.0KHz, which can reduce the motor’s noise furthest.
Speed tracking restart It can realize the smoothness restart and instantaneous stop then restart function.
Freq setting signal Analog input DC voltage 0~10V、-10V~10V, DC current 0~20mA ( Upper limit and Lower limit can be selected )
Digital setting By the operation panel
Pulse input 0~10kHz （Upper limit and Lower limit can be selected）
Startup signal FWD, REV, Startup signal can be selected and self-keep (Three line control)
Timer and Counter Embedded one timer and one counter, which will help the system’s integration
Multi-speed control function / Wobble frequency Seven stages programmable multi-speed control at most, every stage’s running direction, running time can be set respectively. In external terminal control, It reaches 15 stages, and there are 6 kind of running modes. Including wobble frequency
Embedded PID control Ordinal PID Expediently compose the simple control system without accessional PID controller.
Special for water supply (Need accessories) Be able to construct the constant-pressure water-supply system of 4 pumps switch at
most, which includes the following
functions: pressure upper or Lower limit alarm, Sleep or wake, Timing water-supply etc. multi kind running mode.
Operation function Setting the upper and lower limit of frequency, frequency jump-running, reversal running limit, slip frequency
compensation ,auto constant-voltage running, RS485 communication frequency increment and decrement control, fault
self-restore running, multi inverter coupled running
Output signal Running status
(OC Output) During the running of inverter, Frequency arrival, Frequency level, detection, over load alarm, external fault, stop machine, frequency upper-limit arrival, frequency lower limit arrival, under voltage, stop zero speed running, programmable multi-speed running state, Internal counter arrival, Internal timer arrival, pressure lower-upper limit alarm
Indicated instrument Output frequency, voltage, current, Motor speed, PID setting and feedback, External pyrometer.
External voltmeter,
Display Running status Output Freq., Output current, Output voltage, Motor rotate speed, Setting Freq., PID setting, PID feedback, Model temperature, Accumulative running time, Analog I/O, Terminal Input status
Alarm content Last six fault records, Output frequency, Setting frequency, Output current, Output voltage, DC voltage, Model Temperature, Terminal status, Accumulative running time of Last fault trip.
Protective / Alarm function Over-current, over-voltage, under voltage, electronic short-circuits. Thermal protection, over-heat,
Operating Environment Temperature -10ºC to +50ºC
Humidity Under 90（non-condensing）
Ambient environment Indoors(no inflammable gas or dust）
Altitude Under 1000m
Structure Protective class IP20
Cooling method Fans cooling
Fans cooling Wall mounting or standing

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