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Circuit Breaker

ELEHUB’s DC Circuit Breaker provides robust protection for DC electrical systems by detecting and interrupting faults efficiently. Designed for high reliability and safety, it ensures effective circuit protection in electric vehicles and renewable energy systems. Its advanced technology supports stable operation and safeguards against electrical disturbances.

Circuit-Breaker

Key Features of Circuit Breakers

Hydraulic-Magnetic

Hydraulic-Magnetic
Precision

ELEHUB's Hydraulic-Magnetic Circuit Breakers utilize a combination of hydraulic and magnetic forces to detect overcurrents. This design ensures precise and reliable operation, making them ideal for environments with fluctuating temperatures and critical applications.

high-voltage

High Voltage and
Current Ratings

The DC Air Circuit Breakers (ACBs) are designed for high-voltage applications, capable of handling current ratings from 800A to 10,000A. This makes them suitable for energy storage systems and industrial machinery, providing robust protection against overloads and short circuits.

Versatile Molded Case

Versatile Molded Case
Circuit Breakers (MCCBs)

ELEHUB’s MCCBs provide enhanced safety for medium-voltage DC systems, suitable for renewable energy and industrial applications. They feature adjustable trip settings, allowing customization based on specific protection needs, and deliver superior performance against overloads and equipment faults.

Durability

Durability and
Long Lifespan

Built with high-quality materials and rigorous testing standards, ELEHUB circuit breakers are engineered for durability in demanding environments. Their robust construction ensures long-term reliability, minimizing maintenance needs.

Why Choose Our Circuit Breakers?

Versatile Protection Across Applications

ELEHUB circuit breakers, including Hydraulic-Magnetic, DC Air Circuit Breakers (ACBs), Miniature Circuit Breakers (MCBs), and Molded Case Circuit Breakers (MCCBs), are designed for a wide range of applications. They provide reliable protection for critical systems in industries such as renewable energy, electric vehicles, industrial automation, and telecommunications.

Advanced Safety Features

Our circuit breakers incorporate sophisticated protection mechanisms, including thermal and magnetic trip functions. This dual approach ensures rapid disconnection during overloads and short circuits, safeguarding both equipment and personnel from electrical hazards.

High Performance and Reliability

With current ratings ranging from 40A to 10,000A and high voltage capabilities, ELEHUB circuit breakers deliver consistent performance in demanding environments. Their robust construction and precise operation ensure long-lasting reliability, minimizing downtime and maintenance costs.

User-Friendly Design with Easy Reset Mechanism

ELEHUB circuit breakers feature a convenient manual reset function after tripping, allowing for quick restoration of power once the fault is cleared. This user-friendly design enhances operational efficiency and reduces the need for frequent replacements.

Applications of Circuit Breakers

Our circuit breakers are designed for a wide range of applications, delivering safety and reliability where it's needed most:

Residential Power

Residential Power Protection

Protect your home’s electrical system from overloads and short circuits, ensuring the safety of your family and property.

Commercial Buildings

Commercial Buildings

Essential for managing power in commercial environments, providing safety for electrical systems in offices, retail spaces, and other public facilities.

Industrial Facilities

Industrial Facilities

Reliable protection for industrial electrical equipment, helping to prevent costly downtime and equipment damage due to electrical faults.

Renewable Energy Systems

Renewable Energy Systems

Circuit breakers are crucial in renewable energy installations, such as solar and wind systems, to ensure safe and efficient energy distribution.

Electric Power

Electric Power
Transmission and Distribution

Critical for controlling electrical circuits in substations and power distribution systems, providing safety and enhancing stability.

Telecommunications

Telecommunications Infrastructure

Ensure the safety and reliability of power supplies for telecommunications systems, protecting critical infrastructure from electrical faults.

Electric Vehicle Charging

Electric Vehicle Charging Stations

Manage power flow during vehicle charging, providing overcurrent protection and ensuring safe operation.

railroad

Railroad

Ensure reliable protection and fault interruption, safeguarding electrical systems and operations effectively.

Customer Testimonials & Clients

FAQs of Circuit Breaker

FAQs of Circuit Breaker

Circuit Breaker Definition

A circuit breaker is an electrical device designed to automatically interrupt the flow of current in a circuit when it detects an overload or short circuit.

This protection mechanism prevents damage to electrical systems and reduces the risk of fires or equipment failure. Circuit breakers function by opening their contacts to break the circuit when excessive current is detected, either through thermal or electromagnetic triggers.

Once the fault is cleared, it can be reset to restore normal operation. Circuit breakers are essential for maintaining safety and reliability in electrical systems by safeguarding both equipment and users.

A circuit breaker functions as a safety device to protect electrical circuits from damage caused by overloads or short circuits. It works through a combination of thermal and electromagnetic mechanisms:

  • Thermal Mechanism: Inside the breaker, a bimetallic strip heats up when excessive current flows through the circuit. The strip bends due to the differing expansion rates of the metals, eventually triggering the breaker to trip and open the circuit. This prevents overheating and potential damage.
  • Electromagnetic Mechanism: In the event of a short circuit, a rapid surge in current generates a strong electromagnetic field. This field pulls an armature to release a latch that opens the circuit breaker’s contacts, quickly interrupting the flow of electricity and protecting the system.

Once the fault is cleared, the circuit breaker can be reset manually or automatically to restore power. This dual-action mechanism ensures reliable protection and safety for electrical systems.

  1. Turn Off Power: Ensure the main power supply to the electrical panel is turned off to avoid electrical shock.
  2. Remove the Panel Cover: Use a screwdriver to carefully remove the panel cover and access the circuit breakers.
  3. Identify the Faulty Breaker: Locate the circuit breaker that needs replacing. It should be labeled for easy identification.
  4. Disconnect the Faulty Breaker: Unscrew the terminal screws or disconnect the wires attached to the faulty breaker. Remove the breaker from its slot.
  5. Install the New Breaker: Insert the new breaker into the slot, ensuring it fits securely. Connect the wires to the new breaker and tighten the terminal screws.
  6. Replace the Panel Cover: Reattach the panel cover and secure it with screws.
  7. Turn On Power: Restore power to the panel and test the new breaker to ensure it functions correctly.

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