INVT GD350-1R5G-4 Compact Vector Drive Precision Motor Controller

The INVT GD350-1R5G-4 is a 1.5kW multi-function vector inverter from INVT's flagship GD350 series, delivering heavy-duty (G-type) performance in an ultra-compact package for small industrial drive applications. Built on an open-platform architecture with integrated PLC functionality, the GD350-1R5G-4 provides high starting torque, precise speed regulation, and robust overload capacity. Supporting a wide range of motor types and communication protocols, it is the ideal drive solution for small machine tools, winding/unwinding systems, packaging, conveyors, textile machinery, mixers, and compact automation equipment where intelligent programmable control and space-efficient design are critical.

• Compact Vector Drive — 1.5kW G-type rating with 150% overload for 60s and 180% for 3s in a space-efficient footprint; supports V/F, open-loop vector (SVC), closed-loop vector (FVC), PMSM sensorless, and torque control for precision applications
• Precision Motor Controller — ±0.2% speed accuracy (SVC), ±0.02% (FVC); torque control accuracy ±5% (SVC), ±3% (FVC); 1:100 speed range (SVC), 1:1000 (FVC) for high-precision automation tasks
• Intelligent Frequency Inverter — Built-in programmable PLC with logic blocks, timers, counters, comparators, and math operations enables standalone machine control; secondary development platform for OEM customization
• High Starting Torque Performance — 150% starting torque at 0.5Hz (SVC) and 180% at 0Hz (FVC), ideal for constant torque applications requiring strong breakaway performance
• Multi-Motor Compatibility — Drives induction motors (IM), permanent magnet synchronous motors (PMSM), synchronous reluctance motors, and high-speed spindle motors with automatic parameter identification
• Comprehensive Communication Suite — RS485 Modbus RTU standard; optional expansion cards for PROFIBUS-DP, PROFINET, EtherCAT, CANopen, DeviceNet, Ethernet/IP, and BACnet MS/TP
• Advanced Process Control — Built-in PID controller with sleep/wake, multi-pump constant pressure logic, tension control with taper calculation, master/slave synchronization, and spindle positioning for versatile application coverage
• Robust Protection & Reliability — Independent air duct thermal design, coated PCBA (3C3 environment rated), comprehensive protection including input/output phase loss, PTC motor protection, and short-circuit to ground