APGH11-6820-2

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Circuit Breakers are designed to protect electrical systems from overload or short circuits. They are essential components in any electrical system, providing protection against potential damage due to a sudden surge in current. The APGH11-6820-2 Circuit Breaker is designed for a range of applications, and is suitable for medium voltage (MV) distribution with rated currents up to 6,825A.

The APGH11-6820-2 features a trip execution time of ≤ 180ms, and has a rated short-circuit breaking current of up to 50kA. In addition, it has a high breaking capacity and operates with minimal voltage drop. It is available in three different configurations – fixed, draw-out, and stand-alone.

The working principle of the APGH11-6820-2 Circuit Breaker is based on the thermal-magnetic operating mechanism. The thermal-magnetic mechanism consists of two elements – an electromagnet and a bimetallic strip – that act together to provide protection against overcurrents.

In normal operating conditions, the electromagnet, which is connected to the load current, is energised and thus holds the breaker in the ‘on’ position. If the current exceeds its rated value, the electromagnet becomes overloaded and releases its hold on the breaker, allowing the bimetallic strip to open the breaker due to its thermal expansion. This cuts off the power supply, thereby protecting both the system and the equipment.

The APGH11-6820-2 Circuit Breaker offers additional safety features such as adjustable short-circuit tripping settings, an adjustable instantaneous release, and an adjustable magnetic trip curve. It is also designed to meet the latest IEC and IEC 60898-1E standards, allowing it to be used for a variety of applications, including residential and commercial buildings, industrial and process plants, and data centres.

The APGH11-6820-2 is a reliable, versatile Circuit Breaker with a wide range of applications and features. Its thermal-magnetic operating mechanism ensures overcurrent protection, while its additional safety features provide additional peace of mind for users. This Circuit Breaker can provide reliable, long-term protection for any electrical system, making it an ideal choice for a variety of applications.

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