ACB 800A 4P 100kA MICRO 2.0E TKDN 26.01% SCHNEIDER ELECTRIC

An air circuit breaker (ACB) is a type of electrical protection device commonly used in electrical systems. An air circuit breaker is an electrical protection device that is used to cut off the flow of electricity in an electrical circuit when there is a disturbance or excess current. This tool is generally used in industrial electrical panels and can be used in electrical systems with quite large voltages.

An air circuit breaker works by cutting off the flow of electricity in an electrical circuit when there is a disturbance or excess current. The Air Circuit Breaker uses a special system consisting of several components, such as a trip unit, operating mechanism, and current transformer. When a disturbance occurs in an electrical circuit, the trip unit will detect an excess current. Then, it gives a signal to the operating mechanism to cut off the electricity in the circuit. After the electricity supply is cut off, the air circuit breaker will extinguish the arc that occurs using the arc extinguishing system that has been prepared.

The main function of an air circuit breaker is to protect electrical equipment and systems from damage due to overcurrent, which usually occurs due to short circuits or overloads. The following are some of the functions of the air circuit breaker :

1. Protection from overcurrent

Overcurrent occurs when the current flowing exceeds the maximum capacity that can be tolerated by the system or equipment. This can happen for various reasons, such as a fault in the wiring or a sudden increase in electrical load. The air circuit breaker will cut off electricity when it detects this condition, protecting equipment from damage.

2. Protection from short circuit

A short circuit is a condition in which electric current flows through a path that has low resistance, usually due to electric wires meeting directly without any resistance. This can cause very high current increases, which can damage equipment and even cause a fire. The air circuit breaker detects and cuts off electricity in this condition.

3. Manual disconnect

The air circuit breaker also allows manual circuit breaking. This is especially useful in situations where maintenance or repairs need to be carried out on the electrical system, allowing the circuit to be broken and eliminating the risk of electric shock.

4. Fault clearing

In the case of a disturbance or 'fault' in the system, the air circuit breaker not only cuts off the electricity but also helps in the 'fault clearing' process. This means they help isolate problematic parts of the system.

So, the main purpose of an air circuit breaker is to ensure the safety of the electrical system and equipment connected to it, as well as prevent potentially dangerous situations such as fires due to short circuits or excessive current.

Schneider Electric ACB MasterPact NW is a complete range of wind circuit breakers designed to protect electrical systems from damage caused by overloads, short circuits, and ground faults. By designing the MicroLogic control unit, this series contributes to safety and energy efficiency. The series covers values from 800 to 6300A in two different sizes.

Specifications :

• Rated current: 800 to 6300A
• Breaking capacity : 42 to 150 kA at 220/415 VAC
• Rated voltage : up to 1150 VAC
• 2 physical sizes: 800 to 4000A, and 4000 to 6300A
• Pull-out and fixed mounting
• 3-pole and 4-pole construction
• MicroLogic Electronic control unit, which integrates current, voltage, power, and energy measurements enabling energy management, earth leakage protection, and other advanced network protection or analysis functions.
• Switch-breaker versions available
• Wide range of field-installable accessories and tools• Wide range of offerings complying with various international standards: IEC 60947, UL489, ANSI/UL1066
• CCC, EAC, and other local certifications
• Compliance with marine classification company specifications: Bureau Veritas, Lloyd's Register of Shipping, Det Norske Veritas, etc.

Benefits of using Schneider Electric ACB MasterPact NW :

• Optimized safety
• Integrated monitoring for energy efficiency
• Smooth installation

To download the product datasheet, please click here!

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