Product Center

SCM3DC-250/2300 DC1500V  DC MCCB
  • SCM3DC-250/2300 DC1500V  DC MCCB
  • SCM3DC-250/2300 DC1500V  DC MCCB
  • SCM3DC-250/2300 DC1500V  DC MCCB

SCM3DC-250/2300 DC1500V DC MCCB

The SCM3DC-250 DC MCCB is a high-performance DC circuit breaker specifically designed for large-scale photovoltaic power generation systems, energy storage systems, and DC power distribution applications. With a rated operational voltage of up to DC 1500V and a rated current range spanning from 63A to 250A, it is suitable for various scenarios such as PV junction boxes, PV inverters, DC combiner boxes, PV DC cabinets, as well as the DC input terminals of inverters and the input/output ends of DC power systems. This circuit breaker can rapidly interrupt fault currents in DC power distribution systems, providing reliable protection for equipment in cases of overload or short circuits, thereby ensuring the stable and safe operation of solar photovoltaic power generation systems. Additionally, the product is equipped with a dedicated waterproof enclosure, boasting a high protection rating of IP65, ensuring excellent adaptability and durability under various environmental conditions.

  • Rated Voltage: DC 250V - 1500V.
  • Rated Current: 63A - 200A.
  • Short-Circuit Breaking Capacity: Up to 50kA.
  • Ambient Operating Temperature: -40°C to +70°C.
  • Protection Class: IP20.
  • Function
  • Parameters
  • Downfile
  • Advantages/Key Features
    1 Superior Performance
    The rated working voltage can reach DC1500V, which is compatible with higher voltage distribution systems
    2 Safety and Reliability
    The dual insulation design is adopted to enhance the product's insulation performance and operational safety
    3 User-friendly
    The modular installation of accessories effectively reduces the variety of spare parts that customers need to stock
    SHELL FRAME SCM3DC-125 SCM3DC-250
    Number of poles 2 2 3
    Rated working voltage Ue(V) DC250 DC500 DC750 DC500 DC1000 DC1500
    Rated insulation voltage Ui(V) DC1250 DC1250 DC1500
    Rated impulse withstand voltage U(kV) 8 8 12
    Rated current In(A) 63, 80, 100, 125 63,80,100,125,140,160,180,200
    Icu(kA) H 40 20 10 35 15 15
    R 40 20 10 / / /
    Ics(kA) Ics=100%Icu
    Mode of connection Top in bottom out, bottom in top out (2P,250/3P)  Bottom in bottom out,top in top out (3P)
    Use classes A
    Whether it has an isolation function yes
    Ambient temperature -35°C~+70°C
    Mechanical life (times) 20000 10000
    Electrical life (times) 3000 2000 1500 1000 700 500
    Meet a criterion IEC/EN 60947-2, GB/T 14048.2
    Attachment Separate excitation, Assistance, Alarm, Manual operation, Electrical Operation
    Authentication CCC, CE, TUV
    Dimensions (Length × Width × Height) 150x64x95(2P) 180×76×165126 (2P)、
    180×107×165 (3P)
    Note: 250 shell frame does not distinguish H: high breaking capacity, R: current-limiting type.
  • Name
  • Operate
  • +86-18657328051 WeChat WeChat