ABB circuit breakers

Create Date: 2024-8-30 12:03:23|Source: ABB

ABB's circuit breakers are designed to quickly restore operation (preventing failures) and provide the best solution while providing the best protection for electrical installations. ABB's miniature circuit breakers and molded/pneumatic circuit breakers with high breaking capacity both solve technical problems in their respective fields. Today, the developed electronic platform is in the control and operational phase and will help provide more reliable and advanced problem solving.

　　ABB low-voltage circuit breakers are used to connect, break and carry the rated working current in the circuit, and can protect the line and motor from overload, short circuit and undervoltage.

The device consists of an operating mechanism, contacts, protection devices (various trippers), arc extinguishing systems, etc. Its function is equivalent to the sum of some or all the functions of electrical appliances such as knife switch switches, overcurrent relays, loss of voltage relays, thermal relays and leakage protectors, and is an important protective appliance in the low-voltage distribution network. ABB's low-voltage circuit breakers have a variety of protection functions (overload, short circuit, undervoltage protection, etc.), adjustable action value, strong breaking capacity, easy operation, safety and reliability.

Tmax plastic housing circuit breakers and Emax air circuit breakers are divided into two types according to their rated uninterruptible current.

Install and use ABB circuit breakers.

ABB circuit breakers must be installed in strict accordance with the instructions.

Pay special attention to the tightening torque of the bolt.

It cannot be performed with no-run, nor when the poles are not installed, but only when the operating mechanism has successfully connected the circuit breaker and adjusted the circuit breaker to a certain pressure.

When energy is stored, do not press the contacts with your hands.

When cutting or closing, do not manually contact the tripper.

When detecting the lowest voltage of the coil operation, a jog test should be performed.

When testing the resistance of the main circuit, the test current should be 200A or greater.

There is no need for the corresponding phase of the circuit breaker and the power system.

This product can effectively improve the efficiency of all electrical systems of ABB low-voltage circuit breakers. Applications range from industrial and marine applications to conventional and renewable energy power generation systems, as well as buildings, data centers, and shopping malls.

High quality, high reliability and high precision are the main features of ABB's low-voltage circuit breakers. In any case, excellent performance, safe use and easy replacement of components are ensured.

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