Leave Your Message
JCB1LE-125 125A RCBO 6kA


JCB1LE-125 125A RCBO 6kA

The JCB1LE-125 RCBO (Residual Current Circuit Breaker with Overload Protection) is designed to provide comprehensive electrical protection in a variety of settings. Its electronic design ensures reliable performance while providing residual current protection, overload and short-circuit protection and a breaking capacity of 6kA. These RCBOs are rated up to 125A (63A to 125A) and are suitable for industrial, commercial, high-rise and residential applications.

In addition, they are available with B-curve or C trip curves, with trip sensitivity options of 30mA, 100mA and 300mA. Additionally, customers can choose between Type A or AC configurations to meet their specific needs. These RCBOs comply with IEC 61009-1 and EN61009-1 standards, ensuring that they meet the necessary safety and performance requirements of power distribution systems.


    The JCB1LE-125 RCBO (Residual Current Circuit Breaker with Overload Protection) is versatile and ideal for a variety of applications. They are designed to be compatible with AC 50Hz, single-phase and three-phase systems, with current ratings ranging from 63A to 125A, suitable for a variety of circuit configurations. These RCBOs play a vital role in preventing leakage, direct or indirect contact electric shock, and other electrical faults, and are therefore suitable for low-voltage terminal power distribution in various fields such as industry, civil buildings, energy, communications, infrastructure, etc.  .
    In addition to providing short-circuit protection, overload protection, leakage protection and isolation protection, the JCB1LE-125 RCBO is designed to respond quickly in the event of personal electric shock or grid leakage. When the current exceeds the specified value, RCBO will quickly cut off the faulty power supply to ensure the safety of people and electrical equipment. In addition, they provide reliable protection against line overload or short circuit conditions and can also be used as infrequent switching of lines, thereby enhancing their versatility and usefulness in a variety of electrical systems.
    In addition, the combination of ELCB and MCB (EL+MCB) in these RCBOs provides comprehensive three-in-one protection against overload, short circuit and leakage, making it an important component in ensuring the safety and reliability of power distribution systems.

    Product Description


    Main Features
    ● Electronic type: JCB1LE-125 RCBO is designed with electronic components to ensure reliable and precise operation.
    ● Leakage protection: These RCBOs have the function of preventing leakage, which enhances the safety of the electrical system.
    ● Overload and short-circuit protection: RCBO provides comprehensive protection against overload and short-circuit conditions, protecting equipment and personnel.
    ● Non-Line/Load Sensitive: RCBO is designed to be insensitive to line/load conditions, ensuring consistent performance in a variety of electrical configurations.
    ● Breaking capacity: RCBO has a breaking capacity of up to 6kA, which can effectively break fault current and minimize potential damage to the electrical system.
    ● Rated current: Provides a variety of rated currents from 63A to 125A to meet different power load requirements.
    ● Trip curve: Type B and C trip curves are provided to provide flexible response characteristics for different applications.
    ● Trip sensitivity: RCBO offers 30mA, 100mA and 300mA trip sensitivity options for precise response to fault conditions.
    ● Type A or AC: Customers can choose between Type A or AC configurations to meet specific application needs.
    ● Insulating openings: RCBO has insulating openings to facilitate busbar installation and simplify the installation process.
    ● DIN rail installation: Designed for 35mm DIN rail installation, ensuring compatibility with standard mounting systems.
    ● Screwdriver compatibility: Compatible with a variety of combination head screwdrivers for easy installation and maintenance.
    ● Compliance: RCBO meets ESV additional testing and verification requirements to ensure compliance with industry standards for safety and performance. They also comply with IEC 61009-1 and EN61009-1 standards, providing quality and reliability assurance.

    Technical Data
    ● Standard: JCB1LE-125 RCBO complies with IEC 61009-1 and EN61009-1 standards to ensure compliance with industry safety and performance requirements.
    ● Type: This RCBO is electronic and uses advanced electronic components to work reliably and accurately.
    ● Type (detected leakage waveform): Customers can choose Type A or Type AC configurations to meet specific application needs, providing flexibility in leakage detection.
    ● Number of poles: Available in 1-pole, 2-pole, 3-pole and 4-pole configurations, suitable for various electrical system settings.
    ● Rated current: There are four rated currents: 63A, 80A, 100A, and 125A to meet different electrical load requirements.
    ● Rated working voltage: The rated working voltage of RCBO is AC 400V and 415V, ensuring compatibility with standard electrical systems.
    ● Rated sensitivity I△n: Provides 30mA, 100mA, and 300mA rated sensitivity options to accurately respond to fault conditions.
    ● Rated breaking capacity: The rated breaking capacity of RCBO is 6kA, which can effectively break fault current and minimize potential damage to the electrical system.
    ● Insulation voltage: RCBO insulation voltage is 500V, ensuring safe and reliable operation in various electrical environments.
    ● Rated frequency: The rated frequency is 50/60Hz, ensuring compatibility with standard power systems.
    ● Rated impulse withstand voltage (1.2/50): The rated impulse withstand voltage of RCBO is 6kV, which has strong protection against transient voltage surges.
    ● Pollution level: The pollution level is Level 2, suitable for use in moderately polluted environments.
    ● Thermal magnetic release characteristics: It has B-curve, C-curve and D-curve characteristics and can flexibly respond to overcurrent conditions.
    ● Mechanical life: The mechanical life is designed to be 10,000 times to ensure long-term reliability and durability.
    ● Electrical Life: These RCBOs have an electrical life of 2000 cycles, providing consistent performance over a long service life.
    ● Protection level: The protection level is IP20, which means it can protect solid objects larger than 12mm without harmful effects.
    ● Ambient temperature: Suitable for operation at ambient temperatures from -5°C to +40°C, with the daily average temperature not exceeding 35°C.
    ● Contact position indicator: Equipped with contact position indicator, green indicates OFF and red indicates ON, providing intuitive status indication.
    ● Terminal connection type: Compatible with cable or pin busbar connections, providing flexibility in installation options.
    ● Installation: Designed to be installed on DIN rail EN 60715 (35mm) using a quick clamp device to ensure simple and safe installation.
    ● Recommended torque: The recommended torque for terminal connection is 2.5Nm to ensure correct and firm connection.
    ● Connection method: Flexible connection from top or bottom for easy installation and maintenance.


    IEC61009-1 ,  EN61009-1



    Rated current In (A)




    Type (wave form of the earth leakage sensed)

    A or AC are available


    1 pole, 2 Pole, 3 pole, 4 pole

    Rated voltage Ue(V)


    Rated sensitivity I△n


    Insulation voltage Ui (V)


    Rated frequency


    Rated breaking capacity


    Rated impulse withstand voltage(1.2/50) Uimp (V)


    Pollution degree


    Thermo-magnetic release characteristic

    B, C



    Electrical life

    2, 000

    Mechanical life

    2, 000

    Contact position indicator


    Protection degree


    Reference temperature for setting of thermal element(℃)


    Ambient temperature (with daily average ≤35℃)


    Storage temperation (℃)



    Terminal connection type

    Cable/Pin-type busbar

    Terminal size top/bottom for cable

    16~50/6-1/0 AWG

    Terminal size top/bottom for Busbar

    16~35mm2  / 6-2 AWG

    Tightening torque

    3.5 N*m  /  31 In-Ibs.


    On DIN rail EN 60715 (35mm) by means of fast clip device


    From top or bottom are available


    MCCB Production Line Real Showing

    Leave Your Message