Mt3021 Manual May 2026

| Parameter | Value / Range | Units | Remarks | |-----------|---------------|-------|---------| | | 3 × 200‑480 V AC | V | 50/60 Hz, selectable via DIP switch | | Output Power | 0.5 – 22 kW | kW | Continuous rating, 10 % overload for 60 s | | Output Voltage | 0 – 480 V AC | V | Vector‑controlled output | | Output Current | 0 – 50 A per phase | A | Current limit configurable | | Efficiency | ≤ 96 % (typ) | % | At 75 % load | | Control Interface | IEC‑61131‑3 compatible PLC, Modbus‑RTU (RS‑485), CANopen, Ethernet‑IP | – | Dual‑port communication | | User Interface | 3‑button keypad + 2‑line LCD (128 × 64 px) | – | Optional HMI add‑on | | Protection Functions | Over‑voltage, under‑voltage, over‑current, ground fault, over‑temperature, motor stall | – | Configurable trip levels | | Environmental | Operating: –20 °C to +60 °C; Storage: –40 °C to +85 °C | °C | Conformal coating on PCB | | Dimensions (L × W × H) | 210 × 140 × 150 mm | mm | DIN‑rail mounting | | Weight | 3.5 kg | kg | – |

The MT3021 is a high‑performance, modular, 3‑phase AC drive controller designed for industrial motor‑control applications (up to 22 kW, 400 V AC). The manual reviewed in this report provides comprehensive guidance on installation, configuration, operation, maintenance, and safety. This document evaluates the completeness, clarity, and usability of the MT3021 manual, highlights critical technical information, and offers recommendations for improvement. mt3021 manual

📌 The MT3021 manual is not just for installation—keep it near the device for ongoing reference. | Parameter | Value / Range | Units

After entering the values, the manual advises to and then run a verification test (Section 6.5). 📌 The MT3021 manual is not just for

Used in HVAC systems, refrigeration units, and industrial ovens. It typically features a digital display, relay outputs, and PT100/thermocouple inputs.