Residual Current Circuit Breaker RCCB With Over And Short Current Leakage Protection RCBO MCB

what is the Miniature Circuit Breaker?

A Miniature Circuit Breaker (MCB) is an electrical switch that automatically turns off when the current flowing through it exceeds a certain level. MCBs are commonly used in residential, commercial, and industrial electrical systems to protect against overloading and short circuits.

The MCB is designed to detect when the electrical current exceeds a safe level and quickly disconnect the power supply to the circuit. This helps to prevent electrical fires and other hazards caused by excessive current flow. MCBs are available in a range of current ratings to suit different electrical loads and can be easily replaced when they trip.

MCBs are typically more reliable and durable than traditional fuses, which require replacement after they blow. They are also more sensitive and accurate than fuses, allowing them to quickly detect and respond to faults in the electrical system.

MCBs are usually installed in a distribution board or consumer unit and are mounted on DIN rails. They are also designed to be compact and space-saving, hence the term "Miniature" in their name.

In summary, Miniature Circuit Breakers are essential safety devices in modern electrical systems and provide a reliable and efficient means of protecting against electrical overloads and short circuits.

what is the benefit of a Miniature Circuit Breaker?

The main benefit of using Miniature Circuit Breakers (MCBs) is safety. MCBs are designed to protect electrical circuits and appliances from overload and short circuits, which can cause electrical fires, damage to equipment, and even electric shocks.

MCBs have the ability to quickly disconnect the power supply to a circuit when an overload or short circuit occurs, preventing the electrical current from exceeding safe levels and causing damage or harm. This helps to minimize the risk of electrical accidents and injuries, making MCBs an essential safety device in homes, offices, and other buildings.

In addition to safety benefits, MCBs are also cost-effective and easy to install, as they can be mounted on standard DIN rails and require minimal wiring. They are also more reliable and durable than traditional fuses, which need to be replaced every time they blow.

Overall, the use of MCBs provides a reliable and efficient means of protecting electrical circuits and appliances, while also ensuring the safety of people and property.

what is the Residual Current Circuit Breaker?

A Residual Current Circuit Breaker (RCCB) is an electrical safety device that is designed to quickly disconnect the power supply to a circuit when it detects a residual current or leakage current. The RCCB is an essential component of modern electrical systems, and it provides protection against electric shock and electrical fires caused by earth faults or short circuits.

The RCCB works by continuously monitoring the current flowing through the circuit it is protecting. It compares the incoming and outgoing currents and disconnects the power supply when there is a difference between the two currents, indicating a leakage or residual current. This means that the RCCB can detect even small leakage currents that could be hazardous to people or equipment.

RCCBs are typically installed in electrical distribution boards and are used to protect circuits that are not already protected by MCBs or other protective devices. They are available in different current ratings and sensitivity levels, depending on the application.

The benefits of using an RCCB include improved electrical safety, reduced risk of electric shock, and protection against electrical fires caused by earth faults or short circuits. RCCBs are often used in conjunction with MCBs to provide a comprehensive and reliable electrical protection system.

what is the benefit of a Residual Current Circuit Breaker?

Residual Current Circuit Breakers (RCCBs) have several benefits, including:

Protection against electrical shocks: RCCBs are designed to detect small leakage currents that may occur when a person comes into contact with an electrical appliance or circuit. The RCCB quickly disconnects the power supply when it detects a leakage current, preventing electric shocks that can be fatal.
Protection against fire hazards: RCCBs can also detect and interrupt circuit faults such as earth faults or short circuits that can lead to electrical fires. The RCCB quickly disconnects the power supply, preventing the circuit from overheating and causing a fire.
Easy to install: RCCBs can be easily installed in electrical distribution boards and are compatible with different types of electrical systems. They can be used to protect individual circuits or the entire installation.
Low maintenance: RCCBs require minimal maintenance, making them a cost-effective solution for electrical safety.
Compliance with regulations: In many countries, RCCBs are mandatory in all new electrical installations and are required by electrical safety regulations.

Overall, the use of RCCBs provides an additional layer of protection against electrical hazards and helps to ensure the safety of people and property.

why do people buy Residual Current Circuit Breakers and Miniature Circuit Breakers?

Residual Current Circuit Breakers (RCCBs) and Miniature Circuit Breakers (MCBs) are electrical safety devices designed to protect electrical circuits and equipment from damage caused by electrical faults. People buy these devices for several reasons, including:

Protection against electrical faults: RCCBs and MCBs provide protection against electrical faults such as short circuits, overloads, and earth leakage. They detect abnormal current flow and quickly interrupt the circuit to prevent damage to electrical equipment and possible electrocution hazards.
Compliance with electrical safety standards: Electrical safety regulations require the use of RCCBs and MCBs in certain electrical installations to ensure the safety of occupants and prevent electrical fires. By buying and installing these devices, people ensure that their electrical installations comply with these standards.
Convenience and ease of use: RCCBs and MCBs are easy to install and use. They require minimal maintenance and can be quickly reset after tripping. These devices also have a long lifespan, making them a cost-effective option for electrical protection.
Peace of mind: By installing RCCBs and MCBs, people can have peace of mind knowing that their electrical installations are protected from electrical faults. This reduces the risk of damage to electrical equipment and possible injury or death from electrocution.

Overall, people buy RCCBs and MCBs for their ability to protect against electrical faults, comply with safety standards, provide convenience and ease of use, and offer peace of mind.

Construction and Feature

Construction and Feature
1)Provides protection against earth fault/leakage current, short-circuit,overload,and function of isolation.
2)Contact position indication.
3)Provides protection against indirect contact by human body.
4)Provides complementary protection against direct contact by human body.
5)Effectively protects electric equipment against insulating failure.
6)Equipped with switched neutral and phase pole .
7)Provides protection against over-voltage.
8)Provides comprehensive protection to household and commercial distribution systems.

Technical Data

9)Type: Electronic type
10)Residual current characteristics: AC
11)Pole No.: 1P+N
12)Tripping curve: C
13)Rated short-circuit capacity: 4.5KA
14)Rated Current(A): 6,10,16,20,25,32,63
15)Rated Voltage:230V AC
16)Rated Frequency:50/60Hz
17)Rated residual operating current(mA): 30 (63A is 15mA)
18)Tripping duration:instantaneous under or equal 0.1s
19)Electro-mechanical: pillar terminal with clamp.
20)Terminal Connection Height: H1=16mm ,H2=21mm
21)Over-votage tripping: 280V±5%
22)Connection capacity: Flexible conductor 10mm2 , Rigid conductor 16mm2 .
23)Installation: On symmetrical DIN rail 35mm, Panel mounting
Accessories
24) S2 Shunt Tripper
25) U2+O2 Over-voltage and under-votage tripper.