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Siemens MICROMASTER 440 Drive - 15kW

Siemens MICROMASTER 440 VFD, 15kW Constant Torque, 380-480V.

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ManufacturerSiemens
Part number6SE6440-2UD31-5DB1
Input Voltage 380-480V 3AC
Constant Torque 15 kW
Square-Law Torque 18.5 kW
Overload 150% (60s), 200% (3s)
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12-month warranty
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Veteran-owned
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15kW Constant Torque Output 380-480V 3AC Input IP20 Protection Rating Advanced Overload Capability Robust Industrial Design Square-Law Torque Capability

The Siemens 6SE6440-2UD31-5DB1 is a MICROMASTER 440 Variable Frequency Drive (VFD) designed for precise motor control. This unit operates on a 380-480V 3AC input and offers a constant torque rating of 15 kW. It features a degree of protection of IP20 and is intended for operation within ambient temperatures of -10 to +50 °C (without AOP/BOP). The drive supports overload capabilities of 150% for 60s and 200% for 3s, with square-law torque at 18.5 kW. Its dimensions are approximately 520x275x245 mm (HxWxD).

This VFD is suitable for a wide array of industrial applications requiring variable speed control, such as pumps, fans, conveyors, and machine tools. Its robust design and comprehensive feature set allow for efficient and reliable operation in diverse manufacturing and processing environments. The MICROMASTER 440 series is known for its flexibility and ease of use.

Stanlo Automation, a veteran-owned distributor, offers the Siemens 6SE6440-2UD31-5DB1. We are dedicated to providing high-quality surplus industrial automation parts, ensuring your operations are supported with dependable components and timely delivery.

Input Voltage380-480V 3AC
Constant Torque15 kW
Square-Law Torque18.5 kW
Overload150% (60s), 200% (3s)
ProtectionIP20
Ambient Temp-10 to +50 °C
Dimensions520x275x245mm
Pump Control
Fan Control
Conveyor Systems
Machine Tools
Industrial Automation
Process Control
Material Handling
MICROMASTER 440 Drive Siemens VFD 15kW MM440 Series
The MICROMASTER 440 series is a predecessor to newer Siemens drive lines. While direct replacements might be scarce, Stanlo Automation can help identify compatible modern alternatives.
Expert tip
Ensure proper heat dissipation by mounting the 6SE6440-2UD31-5DB1 in a well-ventilated enclosure or control cabinet, especially when operating at full load.
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What is the maximum output power for square-law torque applications with the Siemens 6SE6440-2UD31-5DB1?
For square-law torque applications, the Siemens 6SE6440-2UD31-5DB1 MICROMASTER 440 drive offers a power rating of 18.5 kW. For constant torque applications, it is rated at 15 kW.