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Siemens MICROMASTER 440 Variable Frequency Drive - 110 kW

Name: Siemens 6SE6440-2UD41-1FA1
Brand: Siemens
SKU: 6SE6440-2UD41-1FA1
Availability: InStock

Siemens MICROMASTER 440 VFD, 110 kW, 380-480V 3AC, IP20.

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ManufacturerSiemens

Part number6SE6440-2UD41-1FA1

Model MICROMASTER 440

Part Number 6SE6440-2UD41-1FA1

Input Voltage 380-480V 3 AC

Frequency 47-63 Hz

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12-month warranty

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Variable speed control High overload capacity Wide voltage input range IP20 protection Designed for constant torque applications

Product description

The Siemens 6SE6440-2UD41-1FA1 is a MICROMASTER 440 variable frequency drive (VFD) designed for general-purpose motor control. This unit operates on a 380-480V, 3-phase AC power supply with a frequency range of 47-63 Hz. It is rated for a constant torque output of 110 kW and features overload capabilities of 136% for 57 seconds and 160% for 3 seconds. The square-law torque rating is 132 kW.

This VFD is suitable for a wide array of industrial applications requiring variable speed control, such as pumps, fans, conveyors, and mixers. Its IP20 degree of protection makes it ideal for installation within control cabinets, offering protection against solid objects greater than 12.5mm. The drive operates reliably in ambient temperatures from 0°C to 40°C.

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Technical specifications

Model	MICROMASTER 440
Part Number	6SE6440-2UD41-1FA1
Input Voltage	380-480V 3 AC
Frequency	47-63 Hz
Constant Torque Power	110 kW
Square-law Torque Power	132 kW
Overload	136% (57s), 160% (3s)
Degree of Protection	IP20
Ambient Temperature	0° - 40 °C
Filter	Without

Common applications

Pump control

Fan control

Conveyor systems

Industrial machinery

HVAC systems

Mixer drives

Compatible systems

Standard AC induction motors Various control systems via digital/analog inputs

Also known as

Siemens 6SE6440 VFD MICROMASTER 440 110kW Siemens Variable Speed Drive

Replaces / compatible with

Replacement for older MICROMASTER series or as a new installation for variable speed motor control.

Technical note

Expert tip

This model is supplied without an input filter, requiring careful consideration of line harmonics and potential RFI emissions in the installation environment.

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Frequently asked questions

What is the power rating and voltage input for the Siemens 6SE6440-2UD41-1FA1?

The Siemens 6SE6440-2UD41-1FA1 MICROMASTER 440 drive has a constant torque power rating of 110 kW and operates on a 380-480V, 3-phase AC input voltage.