Features [3 Phase Input and Output] Our vector inverter is intelligent and efficient, with 3 phase 380‑440V input, 3 phase 0‑440V output, 2.2KW, and 5.1A output current. [RS485 Communication and Digital Display] The inverter has humanized keyboard design, digital display with RS485 communication, and built in braking unit, which can be externally connected with braking resistor for emergency stop brake. [Good Heat Dissipation] Our inverter has a large heat sink with a small fan, and the small fan ensures low noise while assisting good heat dissipation. [Full Patch Design and Protection] All internal components are designed with patch, increasing the stability of the machine and strong protection performance. [Made of ABS Plastic] This vector inverter is made of industrial ABS plastic, high impact resistance, high heat resistance, flame retardant and good overall performance. 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