Description:

The Siemens 6SE6440-2AD31-1CA1 MICROMASTER 440 frequency inverter drive is used in industrial motor speed control systems. Commonly installed in conveyors, pumps, fans, compressors, and general machine automation applications. Maintenance teams, OEMs, and system integrators use this part for replacement, retrofit, and energy-efficient motor control.

Applications:

The Siemens 6SE6440-2AD31-1CA1 is used in industrial automation systems for controlling the speed and torque of three-phase AC motors. It is widely deployed in conveyor systems, HVAC equipment, compressors, and production machinery where energy-efficient motor control is required. The inverter provides flexible configuration and reliable performance in demanding industrial environments.

Technical Specifications:

• Manufacturer: Siemens
• Model / Part Number: 6SE6440-2AD31-1CA1
• Product Type: MICROMASTER 440 Frequency Inverter (VFD)
• Input Voltage: 3-phase 380–480 V AC ±10%
• Input Frequency: 47–63 Hz
• Rated Power: 11 kW (constant torque), up to 15 kW (variable torque)
• Output Current: Approx. 26–32 A
• Overload Capacity: 150% (60 sec), 200% (3 sec)
• Control Type: Variable frequency drive (VFD)
• Built-in Filter: Class A EMC filter
• Efficiency: Approx. 96%
• I/O Interface: Digital inputs (6), relay outputs (3), analog I/O
• Cooling: Fan-cooled
• Protection Rating: IP20
• Operating Temperature: -10°C to +50°C
• Dimensions: Approx. 245 × 185 × 195 mm
• Product Status: Discontinued / spare part

Common Replacements:

• Siemens 6SE6440-2AD23-0BA1
• Siemens 6SE6440-2UD31-1CA1
• Siemens 6AG1440-2AD31-1CA1