IELBXK110-36461-4-V Circuit Protection

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Circuit Breakers

The IELBXK110-36461-4-V is a circuit breaker used in various applications, including medium and low voltage systems. It is primarily used to protect against short circuits, overvoltages, and overcurrents in electrical systems. It is also used in control systems to provide a “fail-safe” operation if a fault occurs.

The IELBXK110-36461-4-V circuit breaker is a three-pole, mechanically-operated device that can be used either in a single or three-phase system. Its working principle is based on two mechanisms: an electromechanical one and an electronic one. In the electromechanical mechanism, a magnetic field is generated when a current passes through the wire. This magnetic field interacts with a mechanical part of the breaker, causing the breaker contacts to open. In the electronic mechanism, a sensing circuit monitors the current passing through the circuit to detect a fault. If a fault is detected, it triggers an electronic switch that opens the contacts.

The IELBXK110-36461-4-V circuit breaker has a trip curve characteristic which makes it suitable for a variety of applications. It can be used in low voltage systems up to 600 Volts or medium voltage systems up to 2,000 Volts. It offers five trip curves to adapt to different protection needs: standard, inverse time-delay, long-delay, very long-delay, and instantaneous. The trip curves can be adjusted using a five-position selector.

The IELBXK110-36461-4-V circuit breaker also includes a variety of features such as a negative sequence trip, an adjustable trip time, a pre-trip indication, a manual reset button, a motorized operating mechanism, and a heat-resistant enclosure. All these features ensure safe and efficient operation of the breaker. Additionally, the breaker can be used with an auxiliary contact, shunt trip, and an overload relay.

In conclusion, the IELBXK110-36461-4-V circuit breaker is a highly versatile device that can be used in a variety of applications. Its mechanical and electronic mechanisms offer reliable protection against short circuits, overvoltages, and overcurrents. Its adjustable trip curves also allow adapting it to different protection needs. In addition, it offers a variety of features such as manual reset button, motorized operating mechanism, and pre-trip indication, which all contribute to safe and efficient operation.

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