SolarBOS CS400-28-15-N4 Disconnect Combiner
  • Item Code: 79031

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  • SolarBOS CS400-28-15-N4, 28 circuit 400A w/ 15A fuse Disconnect Combiner

    28-Circuit Disconnect Combiner with 400-amp 600 VDC integrated disconnect switch, touch-safe fuse holders, single output terminals sized for AWG #6-350mcm conductors, 30x30x8" NEMA-4 powder coated steel enclosure with ground bar. Listed to UL-1741. Fuses included.

    SolarBOS products are customizable.  Our engineering staff has pre-configured a variety SolarBOS combiners based upon what we use for our commercial installations here in New Mexico.  Consider these as recommended configurations and if you need a different configuration, let us know. 

    SolarBOS now offers combiners with integrated load-break 600 VDC disconnects. This allows installers to further reduce system costs by merging the combiner box with the disconnect switch into one product.

    -ETL listed to UL-1741
    -6 to 36 input circuits
    -100, 150, 200, 250 and 400 amp integrated disconnects
    -90C output terminals
    -NEMA-3, 3R, 4 & 4X rated enclosure options
    -Steel or fiberglass enclosures
    -Rated for 600 VDC and continuous duty
    -Touch-safe fuse holders
    -Cover doors with poured-in-place seamless gaskets
    -Configured for both positive and negative grounded arrays
    -Clean design for ample wiring room


    Installer Preferred
    SolarBOS disconnect combiners can be specified with up to 36 input circuits with a variety of switch sizes up to 400 amps and NEMA-3, 3R, 4, or 4X enclosures. All combiner enclosures come with complete gasketed seals for better protection from the elements as well as plenty of wiring room for ease of installation.

    Made in California
    SolarBOS products are designed and manufactured with the system integrator in mind, using the highest quality components to ensure long-term field reliability. All products are assembled in our ETL certified facility in Livermore, California, and we guarantee customer satisfaction.

    Disconnect Combiner Specifications
    SolarBOS combiners offer many configuration options, including number of input circuits, number of
    output terminals and enclosure type.

    Due to the flexibility of SolarBOS products, part numbers reflect the specific construction of the
    combiners. Please contact SolarBOS directly for help specifying a combiner for your application.

    Disconnect Ampacity: 400
    Number of Input Circuits: 8 to 36
    Input Conductor Size (AWG): #14 to 4 
    Max Fuse Size (Amps): 30
    Max Rated Current (ADC Contnuous): 400
    Number of Output Conductors: 1
    Output Conductor Size Range (AWG): #2 to 600
    Enclosure NEMA Ratings: 3/3R/4/4X
    Steel Enclosure Dimensions (inches):     24x24x6 or30x30x8
    Appox. Weight (Powder Coated or Stainless Steel): 100 lbs
    Fiberglass Enclosure Internal Dimensions (inches): 24x24x8 or    36x30x8
    Approx. Weight (Fiberglass): 45 lbs 

    SolarBOS Part Numbers
    A common part number for a disconnect combiner is a CS200-12-15-N3. This reads as a combiner,
    single output, 200 amp disconnect, 12 input circuits with 15-amp fuses and NEMA-3/3R enclosure.
    Two example part numbers are explained below:

    CS100-04-08-4XF
    Combiner, Single output, 100 amp disconnect, 4 circuit, with 8-amp fuses and NEMA-4X fiberglass enclosure

    CS400-12-15-N3
    Combiner, Single output, 400 amp disconnect, 12 circuit, with 15-amp fuses and NEMA-3/3R steel enclosure


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  • Length: 24"
    Width: 24"
    Height: 6"
    Weight: 100 lbs