IEG66-32229-30-V Circuit Protection

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Circuit breakers play an important role in modern electrical networks, by automatically protecting electrical systems from damage caused by excessive transient currents. The type of circuit breaker most commonly used today is the IEG66-32229-30-V. This article will examine the application field and working principles of the IEG66-32229-30-V.

The IEG66-32229-30-V circuit breaker is a UL/CSA/EN-certified essential protection device for use in medium and high voltage 3-phase AC electrical power distribution systems. The IEG66-32229-30-V is suitable for a variety of applications, including both residential and industrial, and is appropriate for use in applications ranging from 40A to 4000A. The IEG66-32229-30-V has a rated voltage of 6kV, a rated power frequency withstand voltage of 2.5kV, and a rated lightning impulse withstand voltage of 4.5kV.

The IEG66-32229-30-V operates on the principle of thermal-magnetic trip technology. This technology works by having two distinct mechanisms which control the tripping of the breaker – the thermal mechanism, and the magnetic mechanism. The thermal mechanism works by sensing an increase in temperature when the current through the circuit breaker exceeds the rated current. This increase in temperature causes an expansion of the bi-metallic strip which trips the breaker. The magnetic mechanism works by sensing an increase in the current above the rated current and triggering a solenoid coil which trips the breaker.

The IEG66-32229-30-V also has an adjustable overcurrent characteristic. This allows the user to select the maximum current level which will cause the breaker to trip. This setting is adjustable for a wide range of applications and can be adjusted depending on the needs of the system. Additionally, the overload setting can be adjusted as well.

The IEG66-32229-30-V is designed to meet the relevant UL, CSA and EN safety standards. It has a three-pole structure and can be factory-assembled with up to four additional poles. The IEG66-32229-30-V is available in a number of enclosure types, including enclosed and drawer types, and can be mounted in a variety of positions.

The IEG66-32229-30-V circuit breaker is a reliable and efficient device for providing essential protection for medium and high voltage 3-phase AC electrical power distribution systems. The use of thermal-magnetic trip technology allows for a wide range of application options and adjustable settings for overload protection. Additionally, the IEG66-32229-30-V meets the relevant UL, CSA and EN safety standards and is available in a variety of enclosure and mounting types.

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