ABB FOCH-0260-70 output choke for ABB industrial drives

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FOCH0260-70 Industrial Drive Overview

Basic product information

FOCH0260-70 is an output filter produced by ABB, mainly used with its ACS510 series inverters. This filter is designed to reduce the harmonics generated when the frequency converter is working, improve the quality of the power grid, and ensure the stable operation of the equipment.

Main functions and application scenarios

Main function: The main function of FOCH0260-70 is to serve as the output filter of ABB inverter to improve power quality and equipment operation stability by reducing harmonics.

Application scenarios: This filter is widely used in various industrial environments, especially in application scenarios that require high reliability and low harmonic interference, such as fans, water pumps, and constant torque applications.

Technical parameters FOCH0260-70

Voltage and power range FOCH0260-70

Voltage range: three-phase, 208 to 480V

Power range: 0.75 to 110kW

Continuous load capacity and starting overload capacity

Continuous load capacity: 1.1xI2N (general application), 1.5xI2hd (heavy load application)

Startup overload capability: 1.8xI2hd for 2/60 seconds

environmental adaptability

Maximum ambient temperature: 40°C

Allowed 1.5xI2N reload application time every ten minutes: one minute

Installation and maintenance precautions

Impact of work environment

In practical applications, since most domestic customers install frequency converters directly at industrial sites, there are problems such as large dust, high temperature, and high humidity. Therefore, corresponding countermeasures must be made according to the on-site conditions, such as installing the frequency converter inside the control cabinet, ensuring that the control cabinet is fully sealed, and specially designing air inlets and outlets for ventilation.

The impact of power grid quality on frequency converters

In places with impact loads such as electric welding machines, electric arc furnaces, rolling mills, etc., voltages often flicker; in a workshop, when multiple frequency converters and other capacitive rectifier loads are working, the harmonics they generate have a great impact on the quality of the power grid. Serious pollution will also have a considerable destructive effect on the equipment itself. Measures that can be taken include adding reactive power static compensation devices, using centralized rectification, DC common bus power supply, and installing passive LC filters on the input side of the frequency converter.