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      6SE6440-2UD32-2DA1

      MICROMASTER 440 Inverter
      In Stock
      Ships by Friday, November 6
      Fast Shipping Available
      Product image is representative; revision or series may vary. Contact us to request a specific version.

      Product Describe：

      MICROMASTER 440 Inverter
      Built-in Class A EMC filter
      Three-phase 380–480 VAC input
      45 A / 62 A rated output current

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      Technical specifications for 6SE6440-2UD32-2DA1

      • Manufacturer:
        Siemens
      • Product Category:
        PLC Systems
      • Spare Part Number:
        6SE6440-2UD32-2DA1
      • Estimated shipping dimensions:
        18.5x19x24.5cm
      • Weight:
        4.2 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        GERMANY
      • Number of phases:
        3 AC
      • Line voltage:
        380 ... 480 V ±10 %
      • Line frequency:
        47 ... 63 Hz
      • Rated current (LO):
        59.00 A
      • Rated current (HO):
        43.00 A
      • Rated voltage:
        480 V
      • Rated power (LO):
        30.00 kW / 40.00 hp
      • Rated power (HO):
        22.00 kW / 30.00 hp
      • Rated current (LO):
        62.00 A
      • Rated current (HO):
        45.00 A
      • Pulse frequency:
        4,000 Hz
      • Output frequency for V/f control:
        0...650 Hz
      • Power factor λ:
        0.95
      • Efficiency η:
        0.96
      • Operation (LO):
        -10...40 °C
      • Operation (HO):
        -10...50 °C
      • Transport:
        -40...70 °C
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      Information

      Overview Manuals Common Applications Product Precautions
      The 6SE6440-2UD32-2DA1 is an industrial-grade three-phase AC frequency inverter. Featuring an unfiltered design and an IP20 protection rating, this drive is developed for controlling various complex industrial motors, delivering precise speed and torque control.
        • RS485 communication with USS protocol support
        • 22 kW power rating for heavy duty (CT)
        • 30 kW power rating for light duty (VT)
      The 6SE6440-2UD32-2DA1 accepts a three-phase 380–480V input at 47–63Hz, delivering a three-phase AC output up to 480V with a 4 kHz carrier frequency. The output frequency ranges from 0 to 650 Hz in V/f control mode.

      The 6SE6440-2UD32-2DA1 inverter incorporates an integrated brake chopper, allowing direct connection to a braking resistor for dynamic deceleration tasks. For communication and local control, its front slot interface supports the quick plug-in of a Basic Operator Panel (BOP) or Advanced Operator Panel (AOP), as well as PROFIBUS and DeviceNet modules for automated network integration. Featuring BiCo technology, this unit enables flexible digital input/output mapping to adapt to complex interlocking factory control sequences. 

      Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. 
       Siemens 6SE6440-2UD32-2DA1 MICROMASTER 440 Inverter Manuals, Datasheets, Drivers, Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
      Water & Wastewater Treatment
      Controls the operating speed of centrifugal pumps in large booster pump stations, providing variable frequency constant pressure water supply via pressure feedback.

      Building Materials & Cement
      Drives screw conveyors and belt weigh-feeders in cement clinker production lines to achieve precise raw material proportioning and feeding.

      Mining & Mineral Processing
      Provides speed control for slurry pumps and flotation cell agitator shafts in ore dressing plants, handling harsh fluid mediums with high concentrations of solid particles.

      Metallurgy & Iron & Steel
      Used for synchronous speed control of auxiliary roller table motors in steel rolling mills, and for air volume regulation in reheating furnace exhaust systems.

      Petrochemical Industry
      Drives refinery water injection pumps and process pipeline oil transfer pumps, meeting fluid flow control requirements across different chemical process sections.

      Power Generation & Boiler Systems
      Controls the variable frequency operation of induced draft and forced draft fans in small-to-medium industrial boilers, adjusting furnace air volume in real time based on load changes.
       Keep the operating temperature between -10°C and +40°C for Low Overload (LO) mode, and between -10°C and +50°C for High Overload (HO) mode; storage and transport temperatures must remain between -40°C and +70°C. This unit relies on internal fans for forced-air cooling; sufficient clearance space must be left above and below the drive during installation, vents must never be blocked, and dust should be cleaned regularly.

      Alternative Names

      6SE6440-2UD32-2DAI 6SE64402UD322DA1 6SE64402UD322DAI 6SE644O-2UD32-2DA1 6SE644O2UD322DA1 6SE64A0-2UD32-2DA1 6SE64A02UD322DA1 6SE6A40-2UD32-2DA1 6SE6A402UD322DA1 6SE6AA0-2UD32-2DA1 6SE6AA02UD322DA1 6SE6AAO-2UD32-2DAI 6SE6AAO2UD322DAI

      Technical notes

      The 6SE6440-2UD32-2DA1 inverter is rated at 30.00 kW (40.00 hp) with an input current of 59.00 A and an output current of 62.00 A in Low Overload (LO) mode. In this mode, the drive allows 140% output current for 3 seconds, followed by 110% output current for 57 seconds, and then 100% output current for 240 seconds within a 300-second cycle time. This rating is suitable for variable torque loads such as fans and centrifugal pumps.

      FAQ View All FAQ

      • Do you offer global delivery services?
        Yes. We ship globally, and we are able to quickly deliver parts globally to any corner of the world. Unless otherwise specified, we will ship your order via (DHL). We can also ship through FedEx, UPS, and TNT. We can also use your account.
      • How many parts do you have in stock?
        We have an extensive stock base consisting of ten thousands of new and discontinued automation parts including those from leading manufacturers such as:Control Systems (DCS, PLC, CNC) ,Panel Controllers,HMI and Display Panels,Drives,Encoders and Resolvers,Power Supplies.
      • What is 6SE6440-2UD32-2DA1?
        This is a SIEMENS MICROMASTER 440 series standard universal inverter used to control the speed and torque of three-phase AC induction motors.
      • Does 6SE6440-2UD32-2DA1 include an operating panel?
        This model does not come with a built-in operating panel; a BOP (Basic Operator Panel) or AOP (Advanced Operator Panel) must be purchased separately for parameter commissioning.
      • How to install 6SE6440-2UD32-2DA1?
        It must be vertically mounted inside a dry, low-vibration electrical enclosure, leaving sufficient clearance at the top and bottom for ventilation.
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