The Siemens 6SE6440-2AD31-1CA1 is a high-performance, 11 kW, three-phase, 380–480 V vector inverter in the MICROMASTER 440 series with a built-in Class A filter. It is suitable for applications requiring high dynamic response and low-speed, high-torque constant loads, such as conveyors, cranes, machine tool spindles, and centrifuges. This model integrates flux current control (FCC), vector control, and a multi-stage V/f curve, along with a built-in brake chopper and C3 EMC filter.
Product Status
Original New // Ready in Stock // Same Days Shipping
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Product info
Part Number: 6SE6440-2AD31-1CA1
Brand/ Manufacturer: SIEMENS
Product Description: MICROMASTER 440 Inverter
Condition: In stock
Country of Origin: Germany
Shipping port: Xiamen, China
Warranty: 12 months
Applicable motor power: 11 kW (constant torque, CT)
Input voltage: 3 AC 380–480 V ±10%; 47–63 Hz
Rated input current: 23.1 A (CT)
Rated output current: 26 A (CT)
Overload capacity: 150% for 60 s (CT)
Output frequency: 0–650 Hz
Control method: Vector control (sensorless/with encoder), FCC, V/f multi-stage curve
Braking: Built-in brake chopper, no external brake required
EMC: Built-in Class A filter (compliant with EN 61800-3 C3)
Protection degree: IP20 (for cabinet installation)
Cooling method: Forced air cooling
Ambient temperature: –10…+60°C (>40°C, derating)
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