what does mccb stand for electrical

Publish Time: Author: Site Editor Visit: 347

MCCB stands for Molded Case Circuit Breaker, which is a type of electrical circuit breaker that is used to protect electrical circuits from overloads and short circuits. It includes a trip unit that automatically opens the circuit when an abnormal condition is detected.

Residual Current Circuit Breaker With Overcurrent Protection CJL6-32
The contacts of an MCCB are made of a conductive material such as copper or silver and are designed to carry the rated current of the circuit. When the current exceeds the rated value, the magnetic force generated by the trip unit forces the contacts apart.


The trip unit is the heart of the MCCB and is responsible for detecting overcurrent and short circuits. It consists of a bimetallic strip or an electronic sensor that monitors the current flowing through a circuit. When an overcurrent or short circuit is detected, the trip unit sends a signal to the operating mechanism to open the contacts and interrupt the current flow.

Manufacturer factory 3P 100A 800A Moulded Case Circuit Breaker MCCB STM6DC series
The operating mechanism of the molded case circuit breaker can be manual or automatic. In manual MCCB, the operator manually operates a handle to open or close the contacts. In automatic molded case circuit breakers, the operating mechanism is driven by a motor and can be controlled remotely.
MCCBs are available in a variety of sizes and current ratings to suit different applications. They are commonly used in residential, commercial, and industrial settings to protect circuits from damage and prevent electrical fires.

UKM32M series ac/dc 400A 630A mccb
A molded case circuit breaker (MCCB) is an electrical protection device used to protect circuits from overloads and short circuits. It is designed to interrupt the flow of electricity when it exceeds a predetermined rating. MCCBs are commonly used in residential, commercial, and industrial applications to ensure the safety and stability of electrical systems.

GET A QUOTE

86-15158431127

Get in Touch

Captcha Code
×
If you are interested to be our agent in your market, we will be your strong backup.
Find us to cooperate
We value your privacy
We use cookies to provide you with a better online experience, analyse and measure website usage, and assist in our marketing efforts.
Accept All