TEC TEC-3-440390-3F42 Inverter Drive – 18.5kW Three-Phase Input, Three-Phase Output

The TEC-3-440390-3F42 is a high-performance, heavy-duty TECDrive inverter engineered for demanding industrial motor control applications. Delivering 18.5 kW of output power with a robust 39 A rated output current, it operates on a 400V three-phase supply and outputs a stable 400V three-phase waveform suitable for large industrial motors, high-load conveyors, pumps, compressors, and automated machinery.

This model includes a built-in brake chopper for controlled dynamic braking, an integrated EMC filter for improved electrical noise suppression, and a clear LED status display for instant indication of operating status. Communications via Modbus RTU and CANopen allow seamless integration into modern automation networks. The robust Frame Size 4 enclosure ensures high thermal performance and reliability under continuous heavy workloads.

Technical Specifications

Model: TEC-3-440390-3F42
Series: TECDrive
Device Type: Variable Speed Inverter Drive
Rated Power Output: 18.5 kW
Rated Output Current: 39 A
Input Voltage: 400V AC, Three-Phase, 50 Hz
Output Voltage: 400V AC, Three-Phase, 50 Hz
IP Rating: IP20
Frame Size: 4
Application: Heavy-duty fans, pumps, compressors, conveyors, industrial machinery

Electrical Specifications

• Input Voltage: 400V AC (3-phase)
• Output Voltage: 400V AC (3-phase)
• Rated Output Current: 39 A
• Output Power: 18.5 kW
• Switching: No internal isolator
• EMC Filter: Yes (Integrated)
• Brake Chopper: Yes (Built-in)
• Display Type: LED Status Display
• Communications: Modbus RTU, CANopen

Mechanical Specifications

• Height: 420 mm
• Width: 171 mm
• Depth: 212 mm
• Frame Size: 4
• Cooling Method: High-capacity fan-assisted cooling
• Installation: Panel mount (IP20)
• Housing: Industrial-grade thermoplastic

Environmental Specifications

• IP Rating: IP20
• Operating Frequency: 50 Hz
• Motor Cable Length (Max): 100 metres
• Max Supply Cable Size: 8 mm²
• Max Motor Cable Size: 8 mm²

Compliance & Certifications

• CE Marked: Yes
• UKCA Compliant: Yes
• EMC: Integrated filter (Class C1/C2)
• Safety Standards: EN 61800-5-1
• EMC Standards: EN 61800-3

Key Features & Benefits

✅ 18.5kW, 39A Output. Designed for heavy industrial applications.

✅ 400V Three-Phase Input & Output. Stable, efficient, high-power motor control.

✅ Built-in Brake Chopper. Enables effective dynamic braking under load.

✅ Integrated EMC Filter. Ensures compliance and minimises electromagnetic interference.

✅ LED Status Display. Quick, clear operational insight.

✅ Modbus RTU & CANopen Connectivity. Full integration with modern automation platforms.

✅ Frame Size 4. Large thermal capacity and robust industrial design.

📦 Order the TEC-3-440390-3F42 from Drive Outlet Megastore

At Drive Outlet Megastore, we offer unbeatable TEC-3-440390-3F42 prices.

Built for maximum reliability, this TECDrive inverter delivers exceptional performance in high-load, continuous-operation environments.

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Heavy-duty performance. Industrial reliability. Engineered by TEC. — Drive Outlet Megastore