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BYM3DC MCCB Photovoltaic DC Molded Case Circuit Breaker

The BYM3DC series photovoltaic DC MCCB is designed for DC grids with a rated voltage up to 1500V and current up to 800A. Available in 2P and 3P, it provides overload long-time delay and short-circuit protection, ensuring reliable power distribution and safeguarding equipment against faults.

    product detail

    Product Features 

    • The BYM3DC series photovoltaic DC molded case circuit breaker (MCCB) is a reliable and high-performance solution for DC power grid circuits with a rated voltage of up to DC 1500V and a rated operating current of up to 800A. Designed specifically for photovoltaic and other DC power applications, this MCCB is available in 2P and 3P configurations to meet a variety of operational requirements.
    • The BYM3DC series DC MCCB is equipped with overload long-time delay protection and short-circuit instantaneous protection. These features ensure efficient power distribution and safeguard power supply equipment from potential faults, such as overloads, short circuits, and other anomalies. Its reliable tripping mechanism prevents damage to electrical equipment and minimizes downtime in the event of faults.
    • With a rated voltage of up to 1500VDC, the BYM3DC series DC MCCB is well-suited for modern high-voltage DC power grids, including photovoltaic systems, renewable energy setups, and industrial DC applications. Available in both 2P and 3P configurations, the BYM3DC series DC MCCB offers flexibility in installation and compatibility with various circuit requirements, ensuring a tailored solution for diverse operational environments. Built with high-quality materials, the BYM3DC series MCCB is designed to withstand harsh operating conditions and ensure long-lasting performance. Its robust construction enhances safety and reliability in critical power systems.
    • The BYM3DC series DC MCCB is ideal for a wide range of DC power systems, including photovoltaic installations, solar power plants, battery storage systems, electric vehicle charging stations, and other renewable energy applications. Its advanced protection features and high voltage capability make it an essential component for safeguarding and optimizing DC power distribution.

    Technical Parameters

    Frame Current (A)

    250

    315

    Rated Current In

    63A, 80A, 100A, 125A, 140A, 160A, 200A, 225A, 250A

    280A, 300A, 315A

    Rated Insulation Voltage (V)

    1500V

    Rated Impulse Withstand Voltage (kV)

    12kV

    Rated Working Voltage (V)

    2P: DC250V, DC500V, DC750V, DC1000V, DC1500V

    3P: DC1000V, DC1250V, DC1500V

    Types

    DC, PV

    DC, PV

    Rated Ultimate Short Circuit Breaking Capacity (kA)

    DC type:

    DC1000V (2P): 15

    DC1500V (2P): 5

    DC1500V (3P): 20

     

    PV type:

    DC250V, DC500V (2P): 50

    DC750V, DC1000V (2P): 25

    DC1500V (2P): 7.5

    DC1000V, DC1250V, DC1500V (3P): 25

    Rated Operating Short Circuit Breaking Capacity (kA)

    100%Icu

     

    400

    630

    800

    250A, 315A, 350A, 400A

    400A, 500A, 630A

    630A, 700A, 800A

    1500V

    12kV

    2P: DC250V, DC500V, DC750V, DC1000V, DC1500V

    3P: DC1000V, DC1500V

    DC type:

    DC250V, DC500V (2P): 25

    DC750V, DC1000V (2P): 15

    DC1500V (2P): 10

    DC1000V (3P): 30

    DC1500V (3P): 25

     

    PV type:

    DC250V, DC500V (2P): 50

    DC750V, DC1000V (2P): 25

    DC1500V (2P): 10

    DC1000V (3P): 40

    DC1500V (3P): 30

    DC type:

    DC250V, DC500V (2P): 25

    DC750V, DC1000V (3P): 15

    DC1500V (2P): 10

    DC1000V (3P): 30

    DC1500V (3P): 25

     

    PV type:

    DC250V, DC500V (2P): 50

    DC750V, DC1000V (3P): 25

    DC1500V (2P): 10

    DC1000V (3P): 40

    DC1500V (3P): 30

    DC type:

    DC250V, DC500V (2P): 25

    DC750V, DC1000V (3P): 15

    DC1500V (2P): 10

    DC1000V (3P): 30

    DC1500V (3P): 25

     

    PV type:

    DC250V, DC500V (2P): 50

    DC750V, DC1000V (3P): 25

    DC1500V (2P): 10

    DC1000V (3P): 40

    DC1500V (3P): 30

    100%Icu