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WLM7DC-250A-2300 2P 3P WLM7DC Series Photovoltaic solar type dc mccb 250vdc/500vdc/750VDC/1000VDC/1500VDC 250A 2 Poles solar mccb

WLM7DC

WLM7DC-250A-2300 2P 3P WLM7DC Series Photovoltaic solar type dc mccb 250vdc/500vdc/750VDC/1000VDC/1500VDC 250A 2 Poles solar mccb

Rated Current : 250A

Number Of Poles : 2P/3P

Rated Working Voltage : 800V

    MCCB Highlights

    WLM7DC series mccb are applicable to the centralized photovoltaic power station system. The DC input voltage for 2P is 1000V~1500V, and the current is from 16A-800A.Molded Case Circuit Breakers (MCCBs) are essential components in electrical systems, providing protection against overcurrent and short circuits. While MCCBs are commonly used in AC applications, their use in DC systems is also gaining traction due to the numerous advantages they offer. In this article, we will explore the specific advantages of using MCCBs in DC applications and understand why they are becoming the preferred choice for protecting DC circuits.
    Advantage : Enhanced Protection Capabilities
    One of the primary advantages of using MCCBs in DC applications is their enhanced protection capabilities. Unlike traditional fuses, MCCBs offer adjustable trip settings, allowing for precise protection against overcurrent conditions. This level of customization ensures that the MCCB can respond to the specific characteristics of DC circuits, providing reliable protection against faults and overloads.
    Additionally, MCCBs are designed to provide both short circuit and overload protection, making them versatile solutions for safeguarding DC systems. The ability to handle both types of faults ensures comprehensive protection, reducing the risk of damage to equipment and minimizing downtime in the event of a fault


    Main performance index of WLM7DC  series circuit breaker

    WLM7DC Moulded Case Circuit Breaker
    250
    Rated operating current In (A),40℃
    63-80-100-125-140-160-180-200-225-250
    Rated insulation voltage Ui (V) 1500
    Rated impulse withstand voltage (kV) 12
    Rated operational voltage Ue(V),AC 50/60Hz
    250/500/750/1000/1250/1500
    Breaking capacity code - M H
    Number of poles 2P
    -
    3P -
    DC250V - - 50
    DC500V - - 50
    Rated ultimate
    short-circuit breaking
    capacity Icu(kA)
    DC750V - - 25
    DC1000V - 15 25
    DC1250V - - -
    DC1500V - 5(3P20) 7.5(3P25)
    Rated service breaking
    capacity Ics(kA)
    DC250V - - 50
    DC500V - - 50
    DC750V - - 25
    DC1000V - 15 25
    DC1250V - - -
    DC1500V - 5(3P20) 7.5(3P25)
    Standard IEC/EN 60947-2
    Utilization category A
    Ambient temperature -40℃ ~+70 ℃
    Safety of insulation
    Arcing distance 0
    Mechanical life
    (CO recycle)
    Maintenance free 20000
    Electrical life
    (CO recycle)
    Maintenance free 1500
    Release units
    Distribution protection
    TM
    Mounting and connection
    Fixed
    Front connection
    Rear connection
    Plug-in
    Front connection
    Rear connection
    Draw-out
    Front connection -
    Rear connection -
    DIN rail
    Front connection -
    Dimension
    Dimension (mm)
    W×H×D
    Width 78/107
    Height 200
    Depth 109
    Weight
    Weight(kg)/Fixed
    2P 2.35
    3P 3
    4P -

    Overall and installation dimensions of circuit breaker


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    MCCB Production Line Real Showing

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