Gold Member Since 2012
Audited Supplier
Shanghai Sanyu Industry Co., Ltd.

Vfd, Variable Frequency Drive, Frequency Drive manufacturer / supplier in China, offering OLYMPIC STAR PRODUCT:1PH/3PH-3PH HIGH PERFORMANCE VARIABLE FREQUENCY AC DRIVE, Digital Display 230V/1pH IGBT MMA Welding Machine (MMA-200G IGBT), Sanyu MIG/MMA 2in1 Welder Welding Machine (MIG-200GS IGBT) and so on.

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FOB Price: US $50 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $50/ Piece
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Production Capacity: 3000 PCS/Month
Transport Package: Carton/Wooden Packaging
Payment Terms: L/C, T/T, western union

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Basic Info
  • Model NO.: (SY8000 SERIES 0.75KW-400KW AC DRIVE/VFD)
  • Principle of Work: v/f&vector control
  • Main Circuit Type: Current
  • Carrier Frequency: 1.0~15.0kHz
  • Weight: 1.73kgs-259kgs
  • Input Voltage: 220V/380V (+/-15%)
  • Output Power: 0.75kw - 400kw
  • Output Voltage: 0-220V/0-380V
  • Specification: ISO, CE, CCC, SGS
  • HS Code: 8504409990
  • Output Type: Triple
  • Switch Mode: PWM Control
  • Communication Protocal: RS485 Modbus
  • Output Frequency: 0-600 Hz
  • IP Grade: 20
  • Output Current: 2.5-690A
  • Size: 210*110*170 -1750*685*590
  • Trademark: SANYU
  • Origin: Shanghai, China
Product Description

1. Various control modes and widely used
2. Automatically recognize the motor parameters
3. RS-485 communication inferface, standards, MODBUS protocol
4. PWM flexible energy braking, can quickly halt machine
5. The torque output will be 150% when the frequency is 0.5Hz.
5. More powerful when at low rate, More stable when at high rate.
6. Zero speed torque output
7. Super-silent running
8. Quick menu design
9. Simple PLC, inbuilt PID adjustment
10. Compact and legerity structure
11. Mate the customer design
12. Trip suppression & Stable running
13. High stability, strong anti-interference ability
14.25 protection functions


1. Dual-DSP + MCU + IPM high performance, high reliability
2. Automatic identification of motor parameters, automatic temperature compansation
3. Start by excitation, speed up the rapid response to vector control
4. Speed control and torque control switching online
5. Zero-servo lock function
6. The frequency of carrier wave can be up to 16k, carry out a comprehensive silent running
7. Standard built-in RS485 port, matching TDS-PA01 adapter to support the fieldbus.
8. Built-in PG card, built-in brake unit belows 22KW LCD/LED optional keyboard.
Support for uploading and downloading parameters...

Widely used in:
1. Metallurgy
2. Chemical
3. Petroleum
4. Textile
5. Electric power
6. Building materials
7. Coal
8. Plastics
9. Printing and Dyeing
10. Cable
11. Washing
12. Water supply
13. Heating.
Item description

Rated voltage, frequency Single phase, 220V, 50Hz/60Hz; 3 phase, 380V, 50Hz/60Hz
Allowed fluctuation Continuous voltage fluctuation: within± 10%, instant voltage fluctuation: within -15%10%; voltage imbalance: < 3%; frequency fluctuation: within 5%.
output Voltage Single phase, 220V & 3 phase, 380V
Output frequency 0~600Hz.
Overload capability 150% rated current, 1 minutes; 180% rated current, 1 seconds
control trait Command input mode By LCD keypad, by terminals, by PC through serial communication port.
Control mode Open loop vector control, V/F control.
Speed setting method By keypad, by analog, by PC through serial communication port
Speed setting precision Digital command± 0.01%(-10 +40)
analog command± 0.1%(25° C± 10)
Speed setting resolution Digital command: 0.01Hz; analog command: 0.1% of maximum frequency
Speed control accuracy Open loop vector control: ± 0.5%; (25° C± 10)
Speed regulation range Open loop vector control: 1: 100
Torque control response Open loop vector control: < 200ms.
Start torque Open loop vector control: 150% of rated torque at 0.5Hz.
Torque control accuracy ± 5%
  Set reference voltage supply output 1 port, +10V, 5mA
Control voltage supply output 24V, 100mA
Analogy input 2 terninal, No. 4 terminal is use for voltage, No. 5 is used for voltage and current input
Analog meter output
1 terminal, 0/4~20mA or 0~10V available for it
DO frequency signal output 1 port, high-frequency signal output(programmable)
Collector open-loop output One terminal
Programmable relay output contactor capacity: 250V AC/3A or 30V DC/1A
Serial communication port RS-485 connector RS485+, RS485-
4 bits LED display setting frequency, output frequency, output voltage, output current, motor speed, output torque, switch value terminal, programming menu parameters and fault code.
Five indication lamp Parameter unit, RUN/STOP status, special status, charging status.
Protection function Protection function Over voltage, under voltage, current limitation, over current, overload of inverter, overload of motor, overheat, overvoltage stallout, load short circuit, phase fault.
  Protection degree IP21
Cooling mode Forced air cooling
envirenment Ambient termearture -10° C, +40° C
Termperature 2090% RH(no condensation)
Storage termperature -20° C, + 60° C
Application area indoor(no corrosive odor, dust)
Installation area Altitude is not more than 1000meter, no dust, no corrosive oder, no direct sunlight.
less than5.9m/ S 2
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