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Siemens 3-Phase Mains Choke for U-Converter

Siemens 280A 3-Phase Mains Choke for U-Converters.

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ManufacturerSiemens

Part number4EU2751-0UB00

Type 3-Phase Mains Choke

Rated Current 280A

Voltage 480V (60Hz) / 400V (50Hz)

Voltage Drop 5.31V (at 60Hz)

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3-Phase Mains Choke 280A Rated Current Reduces Harmonics Improves Power Quality For U-Converters

Product description

The Siemens 4EU2751-0UB00 is a 3-phase mains choke designed for use with U-converters (frequency converters or variable speed drives). It has a rated current of 280A and is suitable for 480V at 60Hz or 400V at 50Hz. The choke provides a voltage drop of 5.31V at 60Hz.

This component is essential for reducing line harmonics and improving the power quality when connected to a variable frequency drive. It helps to protect the drive and the power grid from disturbances, ensuring smoother operation and longer equipment life in industrial applications. It is commonly used in motor control and power conversion systems.

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Technical specifications

Type	3-Phase Mains Choke
Rated Current	280A
Voltage	480V (60Hz) / 400V (50Hz)
Voltage Drop	5.31V (at 60Hz)
For	U-Converter

Common applications

Variable Frequency Drives

Motor Control

Industrial Power Systems

Power Quality Improvement

U-Converter Applications

Compatible systems

480V/60Hz and 400V/50Hz U-Converters

Also known as

Siemens Line Choke, 3-Phase VFD Choke

Replaces / compatible with

This is a mains choke specifically designed for U-converters. Its replacement suitability would be for units requiring similar current and voltage ratings for harmonic mitigation.

Technical note

Expert tip

Ensure adequate spacing around the choke for proper heat dissipation, as it can become warm during operation under load.

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Frequently asked questions

What is the purpose of the Siemens 4EU2751-0UB00 mains choke?

The Siemens 4EU2751-0UB00 mains choke is used with U-converters (like VFDs) to reduce line harmonics and improve the overall power quality. This helps protect the drive and the electrical system from interference and ensures more stable operation.