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Siemens MICROMASTER 440 Drive - 18.5 kW, 380-480V AC

Name: Siemens 6SE6440-2UD31-8DA0
Brand: Siemens
SKU: 6SE6440-2UD31-8DA0
Availability: InStock

Siemens MICROMASTER 440 Variable Frequency Drive (18.5 kW)

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ManufacturerSiemens

Part number6SE6440-2UD31-8DA0

Power Rating 18.5 kW (Constant Torque)

Voltage 3AC 380-480 V

Overload 150% for 60s, 200% for 3s

Protection IP20

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18.5 kW Power Output 3AC 380-480V Input High Overload Capability IP20 Enclosure Precise Motor Speed Control Suitable for Pumps and Fans

Product description

The Siemens 6SE6440-2UD31-8DA0 is a MICROMASTER 440 variable frequency drive (VFD) designed for demanding applications. It operates on a 3-phase, 380-480 V AC power supply and delivers 18.5 kW of constant torque power. This unit is rated for 150% overload for 60 seconds and 200% for 3 seconds, providing robust performance under load.

This drive is suitable for a wide range of industrial applications requiring precise motor speed control, such as pumps, fans, conveyors, and machine tools. Its IP20 protection rating and operating temperature range of -10 to +50 °C make it suitable for installation in control cabinets. This specific model comes without an Advanced Operator Panel (AOP) or Basic Operator Panel (BOP).

Stanlo Automation, a veteran-owned distributor specializing in surplus automation parts, offers the Siemens 6SE6440-2UD31-8DA0 MICROMASTER 440 drive. Trust us for reliable and cost-effective solutions to power your industrial machinery.

Technical specifications

Power Rating	18.5 kW (Constant Torque)
Voltage	3AC 380-480 V
Overload	150% for 60s, 200% for 3s
Protection	IP20
Dimensions	520 x 275 x 245 mm (H x W x D)
Temperature	-10 to +50 °C

Common applications

Pump Control

Fan Control

Conveyor Systems

Machine Tools

Industrial Machinery

HVAC Systems

Material Handling

Compatible systems

Three-phase AC motors Standard industrial control panels

Also known as

Siemens MICROMASTER 440 Siemens 6SE6440 VFD Drive 18.5kW Siemens Motor Controller

Replaces / compatible with

This MICROMASTER 440 drive replaces older Siemens drives in the 18.5 kW power range. Consult Siemens documentation for exact replacement compatibility.

Technical note

Expert tip

Ensure proper ventilation and clearances are maintained when installing this drive in a control cabinet to prevent overheating.

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Frequently asked questions

What is the overload capacity of the Siemens 6SE6440-2UD31-8DA0 drive?

The Siemens 6SE6440-2UD31-8DA0 MICROMASTER 440 drive offers an overload capacity of 150% for 60 seconds and 200% for 3 seconds. This allows for handling transient peak loads effectively.