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WLM6LY-630A-4300 4P   WLM6L Series earth leakage protection type circuit breaker 400V 630a 3 poles 4 Poles  mccb breaker


WLM6LY-630A-4300 4P WLM6L Series earth leakage protection type circuit breaker 400V 630a 3 poles 4 Poles mccb breaker

Rated Current : 630A

Number Of Poles : 3P/4P

Rated Working Voltage : 400V/690V

    Function of RCCB

    Test Function: Many RCCBs are equipped with a test button that allows users to simulate a fault condition and verify the proper operation of the device. Regular testing of RCCBs is essential to ensure that they are functioning correctly and providing the intended level of protection.
    In conclusion, RCCBs are essential safety devices that play a critical role in protecting against electrical hazards. Their ability to detect and interrupt abnormal current flows, along with their numerous advantages such as enhanced safety, protection against ground faults, compliance with safety standards, versatility, and ease of installation and maintenance, make them indispensable in electrical installations. By understanding the advantages and functions of RCCBs, individuals and organizations can make informed decisions about incorporating these devices into their electrical systems to ensure the highest level of safety and protection.

    Main performance index of WLM6LY series circuit breaker

    WLM6LY Moulded Case Circuit Breaker
    Rated current (A) of circuit breaker 40℃
    Fix type
    Lcd type
    Rated insulation voltage Ui (V) 1000
    Rated impulse withstand voltage (kV) 8
    Rated operational voltage Ue(V),AC 50/60Hz AC400(3P, 3P+N, 4P)
    Breaking capacity code C S M H
    Number of poles 2P - - - -
    3P - -
    4P - -
    Rated ultimate
    short-circuit breaking
    capacity Icu (kA)
    AC380/400/415V - - 50 65
    AC380/400/415V - - 35 50
    Rated residual making and breaking capacity
    I△ m(kA)
    AC220/230/240V - - 16.25 16.25
    Limit non-actuating time △ t (ms) 0.06s/0.2s/0.5s/1s
    Leakage alarm non-tripping function
    overcurrent tripping type Themal type
    Leakage tripping type Electronic Type
    Residual current type AC
    Standard IEC/EN 60947-2
    Utilization category A
    Ambient temperature -40℃ ~+70 ℃
    Safety of insulation
    Arcing distance 0
    Mechanical life
    (CO recycle)
    Maintenance 15000
    Electrical life
    (CO recycle)
    AC415V,In 8000
    AC690V,In 2000
    Release units
    Mounting and connection
    Front connection
    Rear connection
    Front connection
    Rear connection
    Front connection -
    Rear connection -
    DIN rail
    Front connection
    Dimension (mm)
    Width (2P/3P/4P) 140/184
    Height 257
    Depth 103
    Distribution protection
    2P -
    3P 5.2
    4P 6.672

    MCCB Production Line Real Showing

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