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6SE6440-2UD25-5CA1

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The Siemens 6SE6440-2UD25-5CA1 is a MICROMASTER 440 frequency inverter with 7.5kW LO/5.5kW HO, 380-480V, 3-phase, and 0-650Hz output.
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Technical specifications for 6SE6440-2UD25-5CA1

  • Manufacturer:
    Siemens
  • Part Number:
    6SE6440-2UD25-5CA1
  • Product Family:
    Siemens MICROMASTER 440
  • Product Type:
    AC Drive
  • Stock:
    2
  • Line Voltage:
    380-480V AC ±10%, 3-phase
  • Line Frequency:
    47-63 Hz
  • Rated Power (LO):
    7.50 kW / 10.00 hp
  • Rated Power (HO):
    5.50 kW / 7.50 hp
  • Rated Current (LO):
    19.00 A
  • Rated Current (HO):
    13.20 A
  • Protection Degree:
    IP20 / UL open type
  • Weight:
    4.2 kg
  • Estimated shipping dimensions:
    18.5x19x24.5cm
  • Tariff Code:
    8501310000
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Application Performance & Efficiency Application Scenarios

Features:

  • Supports LO (7.5kW) and HO (5.5kW) for application flexibility.
  • 6 DI, 3 relay, 2 AI, 2 AO, and PTC/KTY interface.
  • 0-650Hz (550Hz limited) with 4000Hz pulse frequency.
The 6SE6440-2UD25-5CA1 offers both Low Overload (LO) and High Overload (HO) ratings, providing flexibility for different application requirements. The LO rating delivers 7.5kW with 140% output current for 3 seconds, followed by 110% for 57 seconds, suitable for constant torque applications. The HO rating delivers 5.5kW with 150% output current for 60 seconds, ideal for high starting torque applications. The 6SE6440-2UD25-5CA1's dual overload capability allows users to optimize the drive for either continuous or intermittent duty cycles.

The 6SE6440-2UD25-5CA1 features a comprehensive I/O configuration including 6 standard digital inputs, 3 relay outputs, 2 analog inputs, and 2 analog outputs. The 6SE6440-2UD25-5CA1 also includes a PTC/KTY interface for motor temperature monitoring and protection. This extensive I/O capability allows the 6SE6440-2UD25-5CA1 to be easily integrated into various automation systems, enabling flexible control and monitoring of motor parameters. The 6SE6440-2UD25-5CA1's I/O configuration simplifies wiring and reduces the need for additional control components.

The 6SE6440-2UD25-5CA1 supports V/f control with an output frequency range from 0 to 650Hz (limited to 550Hz in production due to legal stipulations). The 6SE6440-2UD25-5CA1 operates with a pulse frequency of 4000Hz, providing smooth motor operation and reduced audible noise. The 6SE6440-2UD25-5CA1's wide frequency range makes it suitable for high-speed applications such as spindles and grinders. The 6SE6440-2UD25-5CA1 delivers reliable motor control with advanced protection features including overcurrent, overvoltage, and overtemperature protection.

The 6SE6440-2UD25-5CA1 Siemens AC Drive may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).

Siemens 6SE6440-2UD25-5CA1 AC Drive 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. All prices are shown in USD.
Siemens 6SE6440-2UD25-5CA1 AC Drive Specs

General

  • Manufacturer Siemens
  • Model 6SE6440-2UD25-5CA1
  • Condition New Original ready stock
  • Product Family 6SE7012-0TP50,6SE3122-4DG40,6SE3122-4DG40
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Material Handling & Logistics: Widely deployed in automated conveyor belts, baggage handling lines, industrial cranes, hoists, and gantry transport systems.
  • Process Manufacturing: Controls high-load machinery such as plastics/rubber extruders, industrial mixers, agitators, and centrifuges.
  • HVAC & Fluid Management: Manages large commercial ventilation fans, cooling towers, wastewater booster pumps, and chemical dosing pumps.
  • Vector Control Performance: Supports sophisticated Vector Control (both open-loop and closed-loop via encoder feedback), providing maximum rated torque even at near-zero motor speeds.
  • High Overload (HO): Supports 150% rated output current for 60 seconds (optimized for 5.5 kW constant torque loads).
  • Energy Management: Optimizes the magnetic flux of the motor via integrated V/f (Voltage/Frequency) linear, quadratic, and programmable multi-point configurations, significantly shrinking electrical losses under partial-load conditions.
  • High-Speed Precision Winding & Tension Control
  • Cyclic Heavy-Load Conveying with Dynamic Braking
  • Reciprocating Positive Displacement Pumps
Description
The Siemens 6SE6440-2UD25-5CA1 is a MICROMASTER 440 frequency inverter designed for variable speed control of three-phase motors in industrial applications. This drive delivers versatile performance with both Low Overload (LO) and High Overload (HO) ratings. The 6SE6440-2UD25-5CA1 operates on a 380-480V AC, 3-phase supply with 50/60Hz line frequency.

The Siemens 6SE6440-2UD25-5CA1 has a rated power of 7.5kW (10HP) for Low Overload applications and 5.5kW (7.5HP) for High Overload applications. The 6SE6440-2UD25-5CA1 features a pulse frequency of 4000Hz and supports V/f control with output frequency from 0 to 650Hz (limited to 550Hz in production). The 6SE6440-2UD25-5CA1 has a degree of protection IP20/UL open type and belongs to size FSC.

The Siemens 6SE6440-2UD25-5CA1 provides 6 standard digital inputs, 3 relay outputs, 2 analog inputs, and 2 analog outputs for flexible control and monitoring. The 6SE6440-2UD25-5CA1 also includes a PTC/KTY interface for motor temperature protection. The 6SE6440-2UD25-5CA1 has a motor terminal conductor cross-section of 10.00 mm². 

The Siemens 6SE6440-2UD25-5CA1 offers robust overload capability with LO: 140% for 3s, 110% for 57s, and HO: 150% for 60s. The 6SE6440-2UD25-5CA1 is widely used in HVAC, material handling, and process control applications.
Alternative Names
6SE644O-2UD25-5CA1 6SE6440-2UD25-5CAI 6SE6440 2UD25 5CA1 6SE6440-2UD31-1CA1 6SE7012-0TP50 6SE3122-4DG40 6SE7033-5GJ84-1JC0 6SE6440-2UD31-1CA1
Technical notes
The Siemens 6SE6440-2UD25-5CA1 is a MICROMASTER 440 inverter with 7.5kW LO/5.5kW HO, 380-480V, 3-phase, 0-650Hz output, IP20, size FSC, 5.50kg. Features 6 DI, 3 relay, 2 AI, 2 AO, PTC/KTY. Overload: LO 140%/3s, HO 150%/60s. Ideal for pumps, fans, conveyors.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What is the primary function of the 6SE6440-2UD25-5CA1?
It controls 3-phase motor speed with 7.5kW LO/5.5kW HO, 380-480V, and 0-650Hz output.
What are the overload capabilities of the 6SE6440-2UD25-5CA1?
LO: 140% for 3s, 110% for 57s; HO: 150% for 60s with 240s recovery.
What I/O does the 6SE6440-2UD25-5CA1 provide?
6 digital inputs, 3 relay outputs, 2 analog inputs, 2 analog outputs, and PTC/KTY interface.