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Siemens MICROMASTER 440 15kW Variable Frequency Drive

Siemens MICROMASTER 440 15kW VFD for constant torque applications.

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ManufacturerSiemens
Part number6SE6440-2UD31-5DA1
Rated Power 15 kW
Constant Torque Power 15 kW
Square-Law Torque Power 18.5 kW
Overload 150% for 60s, 200% for 3s
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High power 15kW rating 150%/200% overload capacity Designed for constant torque applications IP20 protection Wide operating temperature range 'Without filter' compact version

The Siemens MICROMASTER 440 (6SE6440-2UD31-5DA1) is a high-performance variable frequency drive (VFD) designed for demanding industrial applications. This unit has a rated power of 15 kW and is capable of handling a 150% overload for 60 seconds and a 200% overload for 3 seconds, making it suitable for applications with high starting torque requirements. It operates on a 380-480V, 3-phase AC power supply with a frequency range of 47-63Hz, and is designed for constant torque applications.

This specific model is a 'without filter' version, offering a compact solution. It features a square-law torque capability of 18.5 kW. The drive has a degree of protection of IP20 and is designed for operation in an ambient temperature range of -10 to +50°C. Its dimensions are 520x275x245 mm (HxWxD). It is supplied without an AOP (Advanced Operator Panel) or BOP (Basic Operator Panel), typically controlled via terminals or an integrated communication interface if available.

Stanlo Automation, a veteran-owned surplus parts distributor, stocks the Siemens 6SE6440-2UD31-5DA1 MICROMASTER 440 VFD. Secure reliable and cost-effective automation components to ensure the continuous operation and efficiency of your industrial processes.

Rated Power15 kW
Constant Torque Power15 kW
Square-Law Torque Power18.5 kW
Overload150% for 60s, 200% for 3s
Voltage380-480V 3 AC
Frequency47-63 Hz
ProtectionIP20
Dimensions520x275x245 mm (HxWxD)
Ambient Temperature-10 to +50 °C
FilterWithout filter
Operator PanelWithout AOP/BOP
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Siemens MM440 15kW MICROMASTER 440 380V Siemens drive 6SE6440
This MICROMASTER 440 model is a successor to earlier Siemens drives and can be integrated into systems utilizing older MM440 units or other Siemens VFD platforms. It offers enhanced performance and features for variable speed motor control.
Expert tip
When operating at high overloads, ensure adequate cooling and check the ambient temperature limits; this 'without filter' model requires an external line filter if harmonic mitigation is needed for sensitive grids.
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What is the overload capability of the Siemens 6SE6440-2UD31-5DA1 MICROMASTER 440?
The Siemens 6SE6440-2UD31-5DA1 MICROMASTER 440 drive can handle a 150% overload for 60 seconds and a 200% overload for 3 seconds, providing robust performance for demanding motor starts.