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Siemens MICROMASTER 440 Variable Frequency Drive - 18.5 kW

Siemens MICROMASTER 440 variable frequency drive.

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ManufacturerSiemens
Part number6SE6440-2AD31-8DA1
Input Voltage 380-480 V 3 AC
Frequency 47-63 Hz
Constant Torque Power 18.5 kW
Square-Law Torque Power 22 kW
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12-month warranty
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Veteran-owned
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380-480V 3-phase input 18.5kW constant torque 22kW square-law torque Built-in Class A filter IP20 protection Wide operating temperature

The Siemens MICROMASTER 440 (Part Number: 6SE6440-2AD31-8DA1) is a versatile variable frequency drive (VFD) designed for a wide range of motor control applications. This unit operates on a 3-phase, 380-480 V AC input with a frequency range of 47-63 Hz. It provides a constant torque output of 18.5 kW, with overload capabilities of 150% for 60 seconds and 200% for 3 seconds. For square-law torque applications, it supports up to 22 kW. The drive includes a built-in Class A filter and has dimensions of 520x275x245 mm (HxWxD), with an IP20 degree of protection.

Suitable for diverse industrial environments, the MICROMASTER 440 is ideal for controlling pumps, fans, conveyors, and other machinery where variable speed operation is beneficial. Its robust design, advanced features, and compliance with EMC standards make it a reliable choice for improving energy efficiency and process control. The operating ambient temperature range is -10 to +50 °C.

Stanlo Automation, a veteran-owned surplus industrial parts distributor, offers the Siemens MICROMASTER 440 drive. Trust Stanlo for quality surplus VFDs and other automation components to keep your operations running smoothly and efficiently.

Input Voltage380-480 V 3 AC
Frequency47-63 Hz
Constant Torque Power18.5 kW
Square-Law Torque Power22 kW
Overload150% for 60s, 200% for 3s
FilterBuilt-in Class A
IP RatingIP20
Dimensions520x275x245 mm
Pumps
Fans
Conveyors
HVAC systems
Machine tools
Industrial automation
Material handling
Three-phase induction motors Industrial automation systems Variable speed applications
Siemens Micromaster 440 VFD 6SE6440 drive Siemens 18.5kW VFD
The MICROMASTER 440 series provides a reliable and feature-rich solution for variable speed motor control, replacing fixed-speed motor applications and offering significant energy savings.
Expert tip
Ensure proper installation and grounding according to the manual to benefit from the integrated Class A filter's EMI reduction capabilities.
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What is the power rating and overload capacity of the Siemens MICROMASTER 440 6SE6440-2AD31-8DA1?
The Siemens MICROMASTER 440 6SE6440-2AD31-8DA1 has a constant torque power rating of 18.5 kW and a square-law torque rating of 22 kW. It can handle overloads of 150% for 60 seconds and 200% for 3 seconds.