Midnite Solar MNPV8HV 4X Disconnect/Combiner Box with Power Supply Board

Midnite Solar MNPV8HV 4X Disconnect/Combiner Box with Power Supply Board
Midnite Solar MNPV8HV 4X Disconnect/Combiner Box with Power Supply Board
Complies with NEC 2014 Rapid System Shutdown Requirements!
$848.54 List price $1,139.00

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Item code Brand name Model number
MIDMNPV8HV4XPSB Midnite Solar, Inc. MNPV8HV Disco 4X-PSB

Midnite Solar Logo Midnite MNPV8HV Disco 4X w/PSB

Midnite Solar
PV Disconnecting Combiner w/Power Supply Board
NEMA 4X Rated, up to 8 Circuits

Includes Power Supply Board factory installed for Plug and Play compatibility with the MidNite Solar Birdhouse Rapid System Shutdown Controller. Read our blog to learn more about the new 2014 NEC 690.12 Rapid Shutdown code !

The MNPVHV series of combiners are manufactured for indoor / outdoor use and designed for combining high voltage strings using 10mm x 38mm fuses. The use of touch safe din rail mount fuse holders and fuses allow operation up to 600 Volts. Type NEMA 4X have been tested to be watertight to 2 meters underwater, so they are sure to be watertight above sea level. This MNPVHV Combiner comes complete with all the busbars and additional labels required to reconfigure to any of the three configurations: Non-Isolated, 2 Inverter, and Parallel - as well as 3 poles, 125 amp busbars, and 100amp switch with feedback for the Birdhouse.


  • Nema 4X aluminum enclosure (rust-proof, water-proof, corrosion-resistant)
  • 90°C rated terminals
  • Switch is 100 Amp load break rated or 175 Amps depending on configuration, 600 volt max
  • See thru deadfront & color coded busbar guards included
  • Convertible configuration (field configurable)
  • Eight strings combined for up to 160 Amps single 230 Amp/600V single pole disconnect)
  • 4 + 4 positive strings, separate PV+ and PV- for use with 2 inverters (2 pole 115 Amp disconnect)
  • Four strings positive, four strings minus for use with non-isolated inverters (2 pole 115 Amp disconnect)
  • Disconnect has built in shunt trip with positive feedback
  • Meets 2011 and 2014 NEC
  • (8) fuse holders, (8) 15A/600V fuses and (8) 1/2" strain reliefs and hole plugs are included
  • (1) MNSPD600 Midnite 600V Lightning Arrestor included
  • 5 year warranty



For more details on Midnite's MNPV8HV Disconnecting Combiner box, check out the video below.

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