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6X6 MC-4 Solar Combiner box
6" x 6" FSE box waterproof, with 6 female and 6 male MC-4 solar connectors


Available in increments of 1
Total Percent Off Per Unit
$121.28 0% $121.2800
$230.43 5% $115.2160
$545.76 10% $109.1520
$1,030.88 15% $103.0880
$1,940.48 20% $97.0240
$2,364.96 25% $90.9600
$8,489.60 30% $84.8960


Coleman Air

100 Amp, 6 circuit (12 connectors), MC-4 Solar Combiner Box

PVC - FSE weather-tight enclosure.

Perfect for paralleling solar panels. The enclosure can be mounted outdoors with no additional protection from rain and snow. There are 6 male MC-4 connectors on one side, and 6 female MC-4 connectors on the other side. Each connector has a 6" wire, soldered (not crimped), for super easy connection to your main feed using a standard lug or wire nut (both are optional).

  • Standard PVC FSE Dual gang box, with 3/4" conduit opening on the bottom, and watertight cover.
  • 12 high quality, Ampenol MC-4 (Helios H4 Solar Connectors) connectors.
  • Soldered, not crimped, will not pull out or deteriorate.
  • Each connector is fully isolated from each other and the enclosure.
  • 18 amps per circuit, 100 Amps total.
  • Just plug in standard MC-4 solar connectors directly into 12 connectors provided by this combiner.
Enclosure specifications:

The type 2 FSE 2-Gang 32 cu. in. FS Switch Box takes standard covers, accessories and devices. Constructed from non-metallic PVC, the box features molded brackets and is non-corrosive and non-conductive for safety.

  • Non-metallic PVC is non-corrosive and non-conductive
  • Compatible with standard covers and accessories or devices
  • UL listed for safety
  • Installs with molded brackets, indoors or outdoors

Assembled Depth (in.) 5.6 in Assembled Height (in.) 1.98 in
Assembled Width (in.) 5.53 in Bracket type Molded
CSA Listed No Color Grey
Color Family Grey Cover Material PVC
ETL Listed No Electrical Product Type Weatherproof Box/Cover
Indoor/Outdoor Indoor/Outdoor

Material PVC

Package Quantity 1
Paintable/Stainable No Product Depth (in.) 5.6 in
Product Height (in.) 1.98 in Product Weight (lb.) 1.5 lb
Product Width (in.) 5.53 in

UL Listed 1-UL Listed

This Combiner uses Amphenol Industrial Helios H4 Solar Connectors

Amphenol Helios H4 connector ranked best in independent photovoltaic test comparison!
The Amphenol Industrial Helios H4 Solar Connectors offer cost effective solutions for all segments of the solar electric system while featuring the highest current rating in the industry - 40 Amps. The Helios H4 provides efficient, low loss power transfer through precision machined contacts utilizing RADSOK technology. The H4 connectors offer high reliability for both thin film and crystalline silicon technologies. The H4 Solar Connectors feature a quick and easy, safe NEC 2008 compliant locking system with secure snap lock mating, making the H4 the most advanced solar connector available. The Helios H4 meets NEC 2008 standards "as is", with no additional components needed. With a 25-year UV and ozone resistance, the Amphenol H4 Solar Connectors meet waterproof IP67 standards and withstand hydrolysis, oil, chemicals, abrasion, corrosion, and temperature extremes. The Amphenol Industrial Helios H4 Solar Connectors are fully intermateable with industry standard (MC4) connectors and are ready for field assembly with no small parts to lose. The RoHS compliant Helios H4connectors are engineered to meet UL, TUV, IEC/CEI, NEC, and DIN V.

Note: The two Amphenol connectors shown in this image are the connectors used on the wire side (from the solar panels), not the combiner.

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