Home > Electrical - Wire, Cable, Fuses, Connectors > Solar Panel Array Combiners, Breakers, Fuses > ReadyWatt 12" x 12" Solar Array Combiner Boxes

Welcome to the Northern Arizona Wind & Sun Solar Electric Store

Northern Arizona Wind & Sun is one of the pioneer solar power companies, and has been in the solar electric business since 1979. We stock a wide range of solar panels, inverters, deep cycle batteries, and hundreds of other DC power and solar related products.

** Preliminary Information: Solar Energy Systems Tax credits are available for qualified solar water heating and photovoltaic systems. The credits are available for systems "placed in service" from January 1, 2006 through December 31, 2016. The tax credit is for 30% of the cost of the system. This credit is not limited to the $500 home improvement cap. Click the link button at the left for more information. **

- email us here for: "where's my stuff", product, system and shipping quotes, availability, and other non technical questions.
Dancing Solar Electric Hippos

ReadyWatt 12" x 12" Solar Array High & Low Voltage Combiner Boxes

ReadyWatt 12" x 12" Solar Array Combiner Boxes
ReadyWatt 12" x 12" Solar Array Combiner Boxes
Item# 12x12-PV-Combiner
$119.50
Specify Model: 
Availability: Usually ships the next business day.

This uses the same DIN mount breakers and fuses as the Midnite Solar and Outback Power array combiners. Breakers must be ordered seperately.

These ETL® listed ReadyWatt® Combiner Boxes are intended to provided a secure, economical and code compliant method of combining multiple PV source circuits into one or two source circuits. The combiner box also provides a convenient location to begin the necessary conduit run from the PV array to the power conditioning equipment. It can accommodate up to 12 low voltage circuits using breakers or up to eight high voltage circuits using Touchsafe™ fuseholders and fuses.

Special Features

The ReadyWatt® Combiner Box is an elegant, professional solution to the need for combining and staging your photovoltaic array wire runs. It features:

  • Extra heavy duty enclosure
  • Easy wire terminations
  • ETL® listed to UL 508A standard

ReadyWatt® Combiner Boxes are Rugged, Code Compliant, and ETL® Listed

  • ReadyWatt® Combiner Boxes provide a convenient location to begin the necessary conduit run from the PV array to the power conditioning equipment
  • Combiner Box options include low voltage breakers or high voltage fuses for off-grid or grid-tie applications
  • Fuses and breakers are specified and purchased separately
  • Extra heavy-duty NEMA 3R enclosures
  • Easy wire terminations
  • Economical—choose the optimum size for your application
  • NEC code compliance including, but not limited to 690.8, 314.40 and 690.9


  12x12 Low Voltage 12x12 High Voltage
Voltage Up to 150 volts Up to 600 volts
On or Off Grid Off Grid On Grid
Max Input Circuits 12 8
Output Circuits 1 or 2 1 or 2
NEMA 3R Enclosure 12"x12"x4" 12"x12"x4"
Touchsave Fuse Holders N/A (8) 30A, 600VDC
Fuse Options N/A 10A, 15A, 20A
Breaker Options 1 to 60 Amps N/A
DIN Rail 1 1
Negative Bus Bars 2 2
Positive Fingered Buss Bars 2 2
Grounding 1 Buss Bar 1 Buss Bar
Cord Grips Optional Optional

Solution Graphics
We accept all major credit cards & PayPal. We ship to all states and Canadian provinces, and to about 40 other countries.

Our office hours are from 8 AM to 4 PM, Mountain Standard Time, Mon-Fri. We are closed for major holidays. If you are in the Flagstaff area, please stop by our store and visit - map link: Get Map to Store