FREE SHIPPING on orders over $100 for qualified items.
Click to call now

MidNite Solar MNPV8HV-DISCO 3R Nema 3R Combiner Box

MidNite Solar logo
MidNite Solar Disconnects:
  • High quality, US-made disconnect boxes and enclosures

Product Information

Model Part No. Amps Volts AC Volts DC Size & Weight Price
MidNite Solar MNPV8HV-DISCO 3R Nema 3R Combiner Box891025918.5 × 14 × 4.6 in
16 lbs
Free Shipping Icon
Do you have questions about our Midnite Solar disconnects, or questions about solar in general? Give us a call at 1-800-472-1142.


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. The micro switch is available to run the Midnite Birdhouse directly from the combiner. Rated for 600VDC. The MNPVHV combiners are rated for outdoor use. Designed for combining high voltage strings using 10mm x 38mm fuses. The use of touch safe din rail mount fuses and fuse holders allows operation up to 600 Volts. The MNPV red handle is lockable in the off position.
Back to Top

Features & Attributes

  • Dimensions (LxWxH): 18.5 × 14 × 4.6 inches
  • Weight: 16 lbs
  • 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
  • Birdhouse compatible
  • Load Break Rated
  • Optional PV connected power supply
  • Optional AC connected power supply for redundancy
  • Type 3R aluminum enclosure (no rust, won’t turn to dust)
  • 90o C connections
  • See thru deadfront & color coded busbar guards included
  • Fuseholders (MNTS) installed
  • 15a/600v fuses installed
  • 600 volt max
  • Meets 2014 NEC 690.12
  • Warranty - 5 yrs.
  • Listed by ETL for US & Canada
  • Made in the USA
  • MPN: MNPV8HV-Disco
Back to Top


MidNite Solar MNPV8HV-DISCO 3R Nema 3R Combiner Box

Spec. Sheet
Installation Manual
Midnite Rapid Shutdown System
Back to Top

About MidNite Solar

Born in the USA

The design and manufacturing of MidNite Solar's products is done at company headquarters in Arlington, Washington, and all qualify as "Made in America". MidNite Solar specializes in renewable-energy-specific electrical components such as the Classic MPPT Charge Controller, a wide range of combiner and disconnect boxes, lightning arrestors and circuit breakers.
The engineers are constantly designing and building products to meet and exceed the ever-changing electrical codes. The new MidNite Solar Birdhouse Emergency Disconnect Switch is a great example, it satisfies future codes requiring system owners to install a disconnect switch that emergency personnel can quickly and easily operate.

Advanced Charge Controllers

The MPPT charge controllers produced by MidNite Solar incorporate some of the industry's most advanced features. The Classic MPPT Charge Controller is the first charge controller to include arc fault protection making it the safest available charge controller on the market. These versatile charge controllers can accept multiple types of DC inputs including solar, wind, hydro and other DC power sources. Available in a wide variety of sizes, there is sure to be a charge controller from MidNite Solar that will fit your system perfectly.

Back to Top
image of getting started guide
Download "Getting Started With Solar"
New to solar? Download our free guide to learn the basics and get started designing a system that’s right for you.