General Technical Specifications

• Input: 3-phase AC 380–500 V, 50/60 Hz

• Power range: 1.5 kW ~ 75 kW

• Control modes: VFC (Voltage Flux Control, open-loop), CFC (Current Flux Control, closed-loop with encoder)

• Overload capability: 150% load for 60 seconds; 200% load for 3 seconds

• Protection class: IP20 (Frame size 1–3); IP00 (Frame size 4–5, IP10 with protective cover)

• Ambient temperature: 0 °C ~ +40 °C for full load operation

• Supported communication protocols: PROFIBUS, CANopen, Modbus, SBus

Key Features

• Optimized for asynchronous motor drive applications

• Dual control modes for open-loop and closed-loop operation

• Stable performance with strong overload resistance

• Multiple industrial communication interfaces for easy system integration

• Complete protection functions against overvoltage, overcurrent, overtemperature, stall and earth fault

Typical Applications

• General industrial production lines

• Conveying systems, fans and pumps

• Packaging, textile and material handling machinery

• Standard automation equipment driven by asynchronous motors

Common Model Suffix Explanation

• 5A3: 3-phase 380–500 V AC, with integrated RFI filter

• 503: 3-phase 380–500 V AC, without integrated RFI filter

• 4: 4-quadrant operation with built-in brake chopper

• 04: Conformal coated PCB for harsh working environments

• 0T: Preloaded dedicated application firmware