Midnite Solar  ·  Accessories

SKU: MNPV12

MidNite Solar MNPV12 Combiner Box

Simplify and streamline your solar array setup with the MidNite Solar MNPV12 Combiner Box. Designed for high-voltage applications, this rugged, rainproof enclosure supports up to 12 strings and is compatible with both 300VDC charge controllers and 600VDC grid-tie inverters.

Regular price
$279.97
Sale price
$279.97
Regular price
$249.00
Pay over time at checkout.
Orders processed in 24–48 hours
30-day returns
Lifetime support by phone, chat & email
Full manufacturer warranty

Questions before you buy?

Call 877-242-2792 and we’ll work it out with you. Mon–Thu 10am–5:30pm, Fri 10am–1pm EST.

Trusted by 50,000+ Customers powered since 2018
Lifetime Support Phone, email or live chat, for good
Price Match Found it cheaper? Tell us
Ships from the USA Warehouses in CA, TX and NY

Frequently bought together

The details.

Simplify and streamline your solar array setup with the MidNite Solar MNPV12 Combiner Box. Designed for high-voltage applications, this rugged, rainproof enclosure supports up to 12 strings and is compatible with both 300VDC charge controllers and 600VDC grid-tie inverters.

Whether you're building an off-grid system, hybrid setup, or grid-tied array, the MNPV12 offers reliable and flexible configuration options—making it a go-to solution for efficient string combining in larger PV systems.

Key Features:

  • ✅ Versatile Configurations – Supports:

    • 10-string grounded inverter (10 positive fuses)

    • Dual 5-string grounded inverters (5+5 positive fuses)

    • 5-string transformerless inverter (5 positive + 5 negative fuses)

  • ✅ High Voltage Ready – For 300VDC charge controllers & 600VDC inverters

  • ✅ Type 3R Aluminum Enclosure – Weather-resistant for outdoor installations

  • ✅ Easy Integration – Includes:

    • 2x isolated 15-position PV negative bus bars

    • 1x 15-position ground bus bar

    • 1x 200A Plus bus bar (can be split/shared)

  • ✅ Made in the USA – ETL listed for USA & Canada

  • ✅ DIY-Friendly – Pre-drilled enclosure with insulating dead front

  • ✅ Flexible Sizing – 14.5" x 12" x 3.5" | Weighs 8 lbs

  • 🔧 Breakers and fuse holders sold separately

Pair with MNEPV breakers, MNTS fuse holders, and MNSPD surge protection devices for a complete system.

Accessories:

  • QT-LATCH-5PK – Quick-release latch kit (5-pack)

  • MNEPV Breakers – 150VDC DIN rail mount, 1–63A options (13mm wide)

  • MN600FUSE – 10x38mm fuses for use with MNTS fuse holders

  • MN1000FUSE-xx-10PK – 10x38mm industry-standard fuses (10-pack)

  • MNSPD-300-DC – 300VDC Surge Protector (Type 1, outdoor-rated)

  • MNSPD-600 – 600VDC Surge Protector (Type 1, outdoor-rated)

Questions & answers

Asked by shoppers, answered by our team.

No questions yet. Ask our team anything about this product and we'll answer it here.

Trustpilot

What customers say about us.