LIWEI ENTERPRISE – Industrial Automation & Energy Efficiency Solutions

Empowering Industry with Intelligent Control

LIWEI ENTERPRISE has been at the forefront of industrial automation technology, providing cutting-edge frequency conversion and motor drive solutions for manufacturing, HVAC, water treatment, and energy sectors.

Our mission is to enhance operational efficiency, reduce energy consumption, and deliver robust control systems that meet the evolving demands of industrial automation. With years of engineering expertise, we focus on innovation, durability, and precision in every product.

15+

Years in Industry

50+

Industrial Clients

Our Core Products

Engineered for performance, reliability, and energy efficiency

VF Series Frequency Inverter

Power Range: 0.75kW – 315kW
Voltage: 380VAC ±15%
Frequency Output: 0.1–600Hz
Modulation: SVPWM
Protection: Overload, Overheat, Short Circuit

VC-3000 Vector Control Drive

Precise torque control
Dynamic response < 10ms
Open-loop vector control
Speed accuracy: ±0.5%
IP20 Enclosure

HVAC-200 Inverter

Optimized for fan & pump control
Energy saving up to 60%
Built-in PID controller
RS485 Modbus interface
Auto energy optimization mode

SD-5000 Servo Drive

High-speed positioning
Encoder feedback support
Multi-axis synchronization
Real-time torque monitoring
Compact DIN rail design

PLC-400 Industrial Controller

Programmable Logic Controller
24 I/O points (expandable)
Real-time clock & data logging
Supports ladder logic programming
Wide operating temperature: -20°C to 60°C

SS-1500 Soft Starter

Smooth motor start/stop
Reduces mechanical stress
Current limit: 3–5x FLA
Bypass contactor included
LED status indicators

EMS-200 Energy Monitor

Real-time power measurement
Displays kW, kVA, PF, kWh
Modbus RTU communication
CT input: 5A standard
DIN rail mountable

BR-1000 Dynamic Brake

For rapid deceleration
Power: 1kW to 10kW
Aluminum housing for heat dissipation
Thermal protection built-in
Compatible with major inverter brands

LC-200 Line Choke

Reduces harmonic distortion
Protects inverter from surges
3% impedance standard
Rated up to 690V
IEC 60076 compliant

IOM-300 Remote I/O

Digital & analog signal handling
Modbus TCP/IP or RTU
Isolated inputs/outputs
Operating voltage: 24VDC
IP65 rated enclosure

HMI-700 Touch Panel

7-inch color TFT display
Resistive touch screen
Preloaded with configuration tools
USB programming port
Supports multiple protocols

PSU-2405 Power Supply

24VDC output, 5A max
Universal AC input (85–264V)
Overvoltage & short-circuit protection
Efficiency > 88%
DIN rail mount

Why Choose LIWEI ENTERPRISE?

Advanced engineering, proven reliability, and unmatched support

⚡

Energy Efficiency

Our inverters and drives reduce energy consumption by up to 60% in pump and fan applications through intelligent V/f and vector control algorithms.

🛡️

Robust Protection

Comprehensive protection against overcurrent, overvoltage, overheating, and short circuits ensures long-term reliability in harsh industrial environments.

🔧

Easy Integration

Standard communication protocols (Modbus, RS485, TCP/IP), plug-and-play design, and intuitive HMI interfaces simplify system integration and maintenance.

Frequently Asked Questions

What types of motors are compatible with your inverters?

Our frequency inverters are designed to work with standard three-phase AC induction motors. Compatibility includes squirrel cage motors from 0.75kW to 315kW. Special configurations are available for synchronous and permanent magnet motors upon request.

Do your products support Modbus communication?

Yes, all our industrial drives, PLCs, and HMIs support Modbus RTU and Modbus TCP/IP protocols for seamless integration into SCADA and industrial networks.

What is the warranty period for your equipment?

LIWEI ENTERPRISE offers a standard 18-month warranty on all electronic drives and control units, covering defects in materials and workmanship under normal operating conditions.

Can I get technical support after purchase?

Yes, our engineering team provides ongoing technical support via the official website. Remote diagnostics and configuration assistance are available for registered customers.

Are your products CE and RoHS certified?

All LIWEI ENTERPRISE products comply with CE, RoHS, and relevant IEC standards for electrical safety and electromagnetic compatibility.

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Advanced Industrial Automation Solutions