Features 3 Phase Input and Output: Experience intelligent and efficient operation with 3 phase 380-440V input and 3 phase 0-440V output, delivering 2.2KW power and 5.1A output current for optimal performance. RS485 Communication and Digital Display: Enjoy a user-friendly design with digital display, RS485 communication, and a built-in braking unit for emergency stop brake, enhancing operational convenience and control. Full Patch Design and Protection: Benefit from increased machine stability and strong protection performance with all internal components designed with patch, ensuring reliable and secure operation. Good Heat Dissipation: Stay cool and quiet with a large heat sink and small fan, providing efficient heat dissipation while maintaining low noise levels for a comfortable working environment. Made of ABS Plastic: Built to last with industrial ABS plastic, offering high impact resistance, heat resistance, flame retardancy, and overall excellent performance for long-term reliability. Specification: Item Type: Frequency Converter Material: ABS Storage Temperature: -25℃-+55℃ Input Voltage: 3 Phase 380？440VAC Output Voltage: 3 Phase 0？440VAC Output Current: 5.1A Braking Resistance: Braking Resistor Power: 300W Braking Resistor Resistance Value: 250Ω Package List: 1 x Frequency Converter 1 x Instruction Manual Package List 1 x Frequency Converter 1 x Instruction Manual