Circuit Breaker
Our goal is to become your true partner in the field of circuit breaker China. Changsong Cowns modern R&D center for developing electric products with full-line of high-tech moulding, manufacturing equipment and great strength of technical support, besides advanced design forces powered by first class engineering teams with super industrial computer systems. In order to keep the leadship in electrical industry, Changsong continuous increase and update manufacturing facilities, keep improving techniques and adopting the most advanced inspect instrument.
Why choose us
Product Application
Our products include circuit breakers, switchboards, AC contactors, meters, relays, fuses, control units, etc. These products are widely used in various important places where power outages are not allowed, such as high-rise buildings, residential areas, hospitals, airports, docks, fire protection, metallurgy, chemical industry, textiles, etc.
Product Market
Changsong has obtained ISO9001 quality system certification, ISO14001, OHSAS18001, CB certification; SEMKO and CE certification, etc.
Fast Delivery
We ensure complete packaging, ensure product quality, and transport the products to the destination at the first time.
Our Service
During the order production process, customers can communicate with us at any time to understand the production progress. At the same time, we provide high-quality after-sales service to meet the different needs of customers.
Advantages of Circuit Breaker
Protection Against Overload
Preventing overload situations is one of the main purposes of circuit breakers. The circuit breaker trips, turning off electricity to the circuit, when the current flowing through a circuit exceeds its rated capacity as a result of several appliances or pieces of equipment operating at once.
Protection against Short Circuits
Circuit breakers quickly cut off a short circuit, which occurs when a defect generates an abrupt spike in current flow, preventing damage to electrical components. Equipment breakdowns, broken insulation, and bad wiring can all result in short circuits.
Ground Fault Protection
Ground faults occur when current flows from an electrical circuit to the ground through an unintended path, such as a person or a conductive surface. Ground fault circuit interrupters (GFCIs), a type of circuit breaker, are specifically designed to detect such faults and quickly shut off power to prevent electric shocks.
Convenience and Safety
Circuit breakers offer a convenient and safe means of controlling electrical circuits within the home. Unlike fuses, which require replacement after tripping, circuit breakers can be reset with a simple flip of a switch, restoring power to the circuit. This eliminates the need for frequent fuse replacements and ensures uninterrupted power supply to essential appliances and devices.
Enhanced Electrical System Reliability
By providing effective protection against electrical faults, circuit breakers contribute to the overall reliability and safety of the home's electrical system.
Applications of Circuit Breaker
Commercial
Circuit breakers protect against faults, overloads, power surges, and other hazards in business premises, including hospitals, malls, hotels, and offices. They also enable automation and energy management.
01
Power Generation
Circuit breakers prevent damage to transmission lines from switching surges, lightning strikes, faults, etc. They also permit power system network sectionalisation and load shedding.
02
Rails
Faults, overloads, short circuits, and other hazards are guarded against by circuit breakers on rail vehicles, which include trains, trams, metros, etc. They also enable motor regenerative braking and traction control.
03
Industrial
Industrial equipment, including pumps, compressors, fans, and so on, is shielded from defects, overloads, phase imbalances, and other hazards by means of electric breakers. They also enable motor soft starting and speed control.
04
Power Distribution
Circuit breakers protect feeders, induction motors, distribution transformers, and other equipment against overloads, low voltages, and other problems. Additionally, they provide demand response and load management for power system loads.
05
Different Types of Circuit Breakers
There are three common, most used types of circuit breakers: standard circuit breakers, ground fault circuit interrupters, and arc fault circuit interrupters.
01
Standard Circuit Breakers
A standard circuit breaker can detect an electricity overload or short circuit. It interrupts the current to prevent overheating, fires, and destruction of appliances.
02
Ground Fault Circuit Interrupters (GFCIs)
GFCIs cut power to the entire circuit when they detect a current overload, short circuit, or line-to-ground fault. They’re required anywhere there might be moisture in the home, like bathrooms, kitchens, garages, basements, laundry rooms, and crawl spaces.
03
Arc Fault Circuit Interrupters (AFCIs)
AFCIs protect against arcs, or unintentional electrical jumps or discharges from wiring or an electrical cord. These breakers are more attuned to quick surges of electricity than standard breakers. According to the National Electric Code Section 210.12 (A), they may be required in new homes.
Components Of The Circuit Breaker
Frame
This consists of the components (listed below) and also provides insulation to contain the arc.
Operating Mechanism
This component opens and closes the contacts in the circuit breaker
Interrupting Structure
This specific part includes all the current-carrying parts except the trip unit and arcing probe.
Trip Unit
This senses abnormal or faulty current flow and causes the operating mechanism to open the contacts. The circuit trip units are usually a thermal-magnetic type.
Terminal Connections
The terminal connections provides a suitable connection from the breaker to the conductor.
Circuit Breaker Safety Tips
Turn Off All Power
Before you do any work on the circuit breaker panel, you need to turn off the main breaker and ensure that the panel is isolated. This needs to be done prior to even the simplest of procedures done to the breakers, including inspections for worn-out breakers.
Wear Protective Gear
If there is even a slight possibility of an arc flash hazard, you should take precautionary measures and wear personal protective equipment (ppe). To identify an arc flash hazard, take into account if there are circuit parts exposed as well as the overall design of the equipment.
Choose The Proper Circuit Breaker
Ensure that the breaker you choose is compatible with the existing panel. To do so, check that it has the appropriate amperage rating as well as matching wiring. If you are uncertain about the type of breaker circuit you are needing, contact the experts at breaker outlet today!
Inspect Tools And New Parts
When replacing an old or installing a new circuit breaker, you should take a moment and inspect that all the tools, wires, and new parts are free from damage.
Be Aware Of What Is Still Hot
Even when the main breaker is off, the main bus bar has the potential to still be hot. The same can be true for the conductors leading into the panel. Always take precautionary measures and use proper tools and procedures to get the job done.
Inspect Prior To Turning On
Once the circuit breaker has been replaced or installed, a thorough inspection of all new parts and connections should be performed by a licensed technician. Failure to do so could cause damage to the entire panel as well as all the electrical components of the building. Never just flip the breaker to see if it works.
Perform Regular Maintenance
Another major precautionary measure that should be taken for the safety of a building’s circuit breaker panel is performing regular inspections and maintenance to ensure that all the breakers are in good condition.