6SE6440-2AD31-5DA1 | Siemens MICROMASTER 440 Inverter
6SE6440-2AD31-5DA1 | Siemens MICROMASTER 440 Inverter

6SE6440-2AD31-5DA1 | Siemens MICROMASTER 440 Inverter

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Brand : Ram Automations
SKU: RAMA315899
Availability: In Stock
Product Type: simple

The Siemens MICROMASTER 440 (6SE6440-2AD31-5DA1) is a powerful AC frequency inverter designed for industrial motor control demanding precision and durability. With...

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Description

The Siemens MICROMASTER 440 (6SE6440-2AD31-5DA1) is a powerful AC frequency inverter designed for industrial motor control demanding precision and durability. With a 15 kW constant-torque rating (18.5 kW for variable-torque loads) and built-in Class A EMC filtering, this drive offers stable, low-noise operation. Built for environments such as pumps, fans, compressors, and conveyors, it includes features like high overload capacity, multiple I/O options, and supports extended frequency range for process flexibility.

Key Features:

  • 15 kW constant torque output, 18.5 kW variable torque for lightly loaded or fan/pump applications

  • Built-in Class A EMC filter to reduce interference and comply with industrial emission standards

  • High overload capacity: 150 % for 60 seconds, 200 % for 3 seconds

  • Wide output frequency: 0–650 Hz for enhanced speed control flexibility

  • Rich I/O set: several digital inputs, analog inputs, analog outputs, relay outputs; RS-485 communication support

Specifications:

  • Part Number: 6SE6440-2AD31-5DA1

  • Input Voltage: Three-phase 380-480 V AC ±10 %, 47-63 Hz

  • Output Power: 15 kW (constant torque) / 18.5 kW (variable torque)

  • Rated Output Current: ~32 A (High Overload mode)

  • Overload Capability: 150 % for 60 s, 200 % for 3 s

  • Output Frequency Range: 0-650 Hz

  • Protection Rating: IP20

  • Ambient Operating Temperature: -10 °C to +50 °C (for High Overload use)

  • Frame Size / Dimensions: Frame D, approx. 520 × 275 × 245 mm (H × W × D)


With its robust constant-torque performance, flexible frequency range, and built-in Class A EMC compliance, the Siemens MICROMASTER 440 6SE6440-2AD31-5DA1 is engineered for demanding industrial motor control tasks. From pumps and conveyors to process equipment, this drive delivers reliable, efficient, and noise-resilient operation, backed by Siemens’ strong legacy of quality.

Shipping & Return

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

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