1.3 Product Series
VY−JY−4T□□□G Three-phase 400V Constant torque/heavy-duty application
Three phase 0～rated input voltage
150% 1minute, 180% 10 second, 200% 0.5 second, interval: 10 minutes (inverse time lag feature)
Three pahse 380V～480V; 50Hz/60Hz
Allowable voltage range
323V～528V； Voltage unbalancedness ≤3%; allowable frequency fluctuation : ±5%
Rated current (A)
Built-in as standard
Built-in as option
Forced air convection cooling
1.4 Technical Specifications of Product
Vector control 1
Vector control 2 (Without encoder)
Speed adjustment range
Speed stabilization precision
Under voltage adjustment, switching of AC operation grounding, protective grounding and DC operation grounding,rotation speed tracing, torque limitation, multi-speed operation (up to 23 speeds), auto tuning, S curve acceleration/deceleration, slip compensation,PID adjustment, drooping control, current limiting control, manual/auto torque boost. current limiting, multi-functional input/output terminal
Frequency setting mode
Operation panel setting, terminal UP/DN setting, host computer
0.00～300.00Hz Note: Upon the control mode of vector control 1 0.0～3000.0Hz, which can be customized according to the customer demand
Braking unit action voltage: 650～750V;
DC braking capacity
DC braking initial frequency: 0.00～300.00Hz;
Magnetic flux braking
Ongoing action and no action upon deceleration as option, no action upon deceleration at default
Power frequency and variable frequency switching
Three switches supply the change for you
Multifunctional M key
The unique multifunctional key is used to set the frequently used operations: JOG, emergency shutdown, running command reference mode switch , menu switching
Multiple menu modes
Basic menu mode, fast menu mode. Menu mode of non-leave-factory value function codes, Menu mode of last changed 10 function codes
The standard operation panel can realize the parameter upload, download and display the copy progress. The user can select to forbid the overwriting of the uploaded parameters.
The customer can select to display or hide the function codes by themselves.
Dual 485 communication
Dual 485 communication ports support Modbus protocol (RTU). The standard operation panel can realize remote control box function with a maximum distance of 500m.
Button type or shuttle type operation panel optional, protection class: IP20 as standard, IP54 as option
Common DC bus
The full series can realize common DC bus supply for several inverters.
The full series adopts independent duct design and supports the installation of heatsink outside the cabinet
Universal expansion board equipped with CPU for supporting customers secondary development: physical interface SPI bus, software protocol Modbus
User’s secondary development card, injection molding machine interface card, air compressor control card, communication adapter card, power monitoring card, phase sequence detection card, external power rectifying card
Realizing the power-up auto-detection of internal and peripheral circuits, including motor grounding, abnormal +10V power supply output, abnormal analog input, and disconnection
Power supply undervoltage, overcurrent protection, overvoltage protection, interference protection, abnormal comparison reference input, auto-tuning failure, module protection, heatsink overtemperature protection, inverter overload protection, motor overload protection, peripheral protection, abnormal current detection, output to ground short circuit, abnormal power failure during operation, abnormal input power, output phase failure, abnormal EEPROM, abnormal relay contact, temperature sampling disconnection, encoder disconnection, abnormal +10V power supply output, abnormal analog input, motor overtemperature (PTC), abnormal communication, abnormal version compatibility, abnormal copying, abnormal expansion card connection, terminal mutual exclusion detection failure, hardware overload protection
At rated power, 7.5kW and below power class ≥93%, 45kW and below power class ≥95%, 55kW and above power class ≥98%
The product shall be mounted vertically in the electric control cabinet with good ventilation. Horizontal or other installation modes are not allowed. The cooling media is the air. The product shall be installed in the environment free from direct sunlight, dust, corrosive gas, combustible gas, oil mist, steam and drip.
-10～+40ºC, derated at 40～50ºC, the rated output current shall be decreased by 1% for every temperature rise of 1ºC
5～95%, no condensing
0～2000m, derated above 1000m, the rated output current shall be decreased by 1% for every rise of 100m
3.5mm,2～9Hz；10 m/s2,9～200Hz；15 m/s2,200～500Hz
1.5 Product Component Name
1.6 Product Outline, Mounting Dimension, and Weight
Outline and mounting dimension（mm）
3.7 Terminal Wiring
All for the customer. Creating more customer value.
Exceeding customer expectations and going beyond industry standards.
Quality changes the world.Service creates value.
First-class, 24-hour online customer service.