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Siemens 6SE6440-2UD31-1CA1 MicroMaster 440 Frequency Inverter

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Siemens 6SE6440-2UD31-1CA1

by Siemens

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OverviewThe Siemens 6SE6440-2UD31-1CA1 represents a sophisticated frequency inverter from the esteemed MicroMaster 440 series. This variable frequency drive (VFD) is meticulously engineered to deliver exceptional accuracy and efficiency in managing motor performance. It is an ideal choice for demanding industrial settings where precise adjustments of speed and torque are essential. With advanced control strategies like V/f and sensorless vector control, along with an integrated braking chopper, this unit ensures incredibly smooth, dynamic, and power-efficient operation across a wide array of automation scenarios. This Siemens inverter is a pivotal component for enhanced motor system management, optimizing complex industrial workflows.Key Features Model: Siemens 6SE6440-2UD31-1CA1 Type: High-Performance Frequency Inverter (VFD) Series: Siemens MicroMaster 440 for advanced control Power Rating: 3 kW (4 HP) for versatile applications Input Voltage: 380-480V AC, 3-phase for industrial compatibility Control Modes: V/f (Volts per Hertz) and Sensorless Vector Control for precise motor management Integrated Braking Chopper: Improves deceleration capabilities and facilitates rapid stopping Protective Features: Comprehensive overload, short circuit, and thermal protection ensure operational safety and longevity Communication Interface: Supports PROFIBUS, Modbus, and other major industrial protocols for seamless integration User-Friendly Interface: Intuitive digital display and easy parameter settings for quick setup and monitoring Technical Specifications Rated Voltage: 380-480V AC (±10%) Output Current: 7.1 A Output Frequency: 0 – 650 Hz Control Inputs: Multiple digital and analog input options for maximum flexibility in control schemes Overload Capacity: Impressive 150% for 60 seconds, and 200% for 3 seconds, handling peak demands with ease Cooling Method: Efficient forced air cooling with an integrated fan to maintain optimal operating temperatures Operating Temperature Range: Reliable performance from -10°C to +50°C Protection Class: IP20, providing protection against solid objects greater than 12.5mm Mounting Type: Flexible wall or panel mountable design to suit various installation requirements Applications Industrial Automation: Provides accurate motor management for manufacturing processes, ensuring consistent output quality. Conveyor Systems: Guarantees smooth acceleration and deceleration of belt-driven setups, minimizing wear and improving material movement. Pumps & Fans: Enables power-efficient speed regulation in HVAC and fluid handling systems, leading to substantial reductions in energy costs. Machine Tools: Ensures dependable and precise operation in CNC machinery and similar automated equipment, enhancing machining accuracy. Textile & Packaging Machines: Delivers consistent functionality for crucial production lines, optimizing material flow and reducing downtime. Mixers and Agitators: Offers exact control over mixing speeds for various processes, ensuring product uniformity and quality. Why ChooseThis model offers advanced control over motor functions, allowing unparalleled accuracy in speed and torque adjustments. This leads to superior process supervision and enhanced product quality. It provides significant energy efficiency, considerably reducing power consumption in applications with variable loads, which lowers operational expenses and supports environmental sustainability. Benefit from straightforward integration and setup processes, including intuitive configuration procedures and pre-configured settings, ensuring fast and effortless installation and commissioning. Enhanced operational safety is guaranteed by integrated protective features against overload, short circuits, and overheating, ensuring the reliable and secure functioning of your systems. Its robust design and compact dimensions make it an ideal choice for demanding and space-constrained industrial settings, maximizing the efficiency of your facility''s layout. Additionally, its broad compatibility with key industrial communication protocols ensures seamless integration into existing infrastructures.Order NowElevate your industrial operations with the Siemens 6SE6440-2UD31-1CA1. Contact us today to learn more or place your order!FAQWhat is the power rating of the Siemens 6SE6440-2UD31-1CA1?The Siemens 6SE6440-2UD31-1CA1 has a power rating of 3 kW (4 HP).What control modes does this frequency inverter support?It supports both V/f (Volts per Hertz) and Sensorless Vector Control for precise motor management.What communication interfaces are supported by this model?This model supports PROFIBUS, Modbus, and other major industrial protocols for seamless integration.

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$1,491.00
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PRODUCT DETAILS

Siemens 6SE6440-2UD31-1CA1

Overview

This is a genuine Siemens component from the Variable Frequency Drives family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Siemens catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Siemens automation ecosystem
  • Engineered to integrate inside Variable Frequency Drives installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Siemens equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Siemens catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Siemens platform with documented conversion notes for the Variable Frequency Drives family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Rated Voltage: 380-480V AC (±10%)
  • Output Current: 7.1 A
  • Output Frequency: 0 – 650 Hz
  • Control Inputs: Multiple digital and analog input options for maximum flexibility in control schemes
  • Overload Capacity: Impressive 150% for 60 seconds, and 200% for 3 seconds, handling peak demands with ease
  • Cooling Method: Efficient forced air cooling with an integrated fan to maintain optimal operating temperatures
  • Operating Temperature Range: Reliable performance from -10°C to +50°C
  • Protection Class: IP20, providing protection against solid objects greater than 12.5mm
  • Mounting Type: Flexible wall or panel mountable design to suit various installation requirements

Applications

  • Industrial Automation: Provides accurate motor management for manufacturing processes, ensuring consistent output quality.
  • Conveyor Systems: Guarantees smooth acceleration and deceleration of belt-driven setups, minimizing wear and improving material movement.
  • Pumps & Fans: Enables power-efficient speed regulation in HVAC and fluid handling systems, leading to substantial reductions in energy costs.
  • Machine Tools: Ensures dependable and precise operation in CNC machinery and similar automated equipment, enhancing machining accuracy.
  • Textile & Packaging Machines: Delivers consistent functionality for crucial production lines, optimizing material flow and reducing downtime.
  • Mixers and Agitators: Offers exact control over mixing speeds for various processes, ensuring product uniformity and quality.

Why Choose the 6SE6440-2UD31-1CA1?

This model offers advanced control over motor functions, allowing unparalleled accuracy in speed and torque adjustments. This leads to superior process supervision and enhanced product quality. It provides significant energy efficiency, considerably reducing power consumption in applications with variable loads, which lowers operational expenses and supports environmental sustainability. Benefit from straightforward integration and setup processes, including intuitive configuration procedures and pre-configured settings, ensuring fast and effortless installation and commissioning. Enhanced operational safety is guaranteed by integrated protective features against overload, short circuits, and overheating, ensuring the reliable and secure functioning of your systems. Its robust design and compact dimensions make it an ideal choice for demanding and space-constrained industrial settings, maximizing the efficiency of your facility''s layout. Additionally, its broad compatibility with key industrial communication protocols ensures seamless integration into existing infrastructures.

Availability & Shipping

  • In stock: 6SE6440-2UD31-1CA1 ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every 6SE6440-2UD31-1CA1 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Siemens

The Siemens 6SE6440-2UD31-1CA1 has a power rating of 3 kW (4 HP).

Machine down? We ship parts the same day.

New, surplus, and refurbished Siemens inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

CUSTOMER REVIEWS

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Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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