PV Combiner Box Tech Specs

Complete Technical Specifications

The HomeRun solar combiner box is the #1 choice for top-shelf solar array designers and installers.

Standard Combiner Models Load Break Rated Disconnect Combiner Models
HCB4 HCB8F HCB8S HCB12F HCB12S HCB8DS HCB8DF HCB16DS HCB16DF HCB24DS
Maximum Input Fuse Rating (A) 20 30 30 30 30 30 30 30 30 30
Maximum Voltage (VDC) 600 600 600 600 600 600 600 600 600 600
Maximum DC Current (A) 60 185 185 225 225 120 120 180 180 180
Maximum Continuous Output Current (A) 50 150 150 200 200 100 100 150 150 150
Positive Input Wire Size (AWG) 14-6 14-6 14-6 14-6 14-6 14-6 14-6 14-6 14-6 14-6
Negative Input Wire Size (AWG) 14-1/0 14-4 14-4 14-4 14-4 14-4 14-4 14-4 14-4 14-4
Ground Input Wire Size (AWG) 14-1/0 14-4 14-4 14-4 14-4 14-4 14-4 14-4 14-4 14-4
Positive Output Wire Size (AWG) 14-1/0 6-3/0 6-3/0 6-350 6-350 6-300 6-300 6-350 6-350 6-350
Negative Output Wire Size (AWG) 14-1/0 6-350 6-350 6-350 6-350 6-300 6-300 6-350 6-350 6-350
Ground Output Wire Size (AWG) 14-1/0 6-1/0 6-1/0 6-1/0 6-1/0 6-1/0 6-1/0 6-1/0 6-1/0 6-1/0
Operating Temperature Range
Degrees °F
Degrees °C
-13 to 122 25 to 50 -13 to 122 25 to 50 -13 to 122 25 to 50 -13 to 122 25 to 50 -13 to 122 25 to 50 -13 to 122 25 to 50 -13 to 122 25 to 50 -13 to 122 25 to 50 -13 to 122 25 to 50 -13 to 122 25 to 50
Enclosure Size (inch x inch x inch) 13 x 8 x 3.5 14 x 12 x 6 14 x 12 x 6 14 x 12 x 6 14 x 12 x 6 16 x 14 x 6 16 x 14 x 6 20 x 20 x 6 18 x 16 x 8 20 x 20 x 6
Environmental Rating Type (NEMA) 3R 4X 4 4X 4 4 4X 4 4X 4
Maximum # of Inputs 4 8 8 12 12 8 8 16 16 24

Standard Solar Combiner Box Documents


HomeRunTM Solar Array Combiner Boxes - Spec. Sheet, 8 & 12 Pole
Technical Note 01 - HOMERUN Solar Array Combiner Box Models HCB8 and HCB12 (Arpil 10, 2009)
HCB4 Product Sales Drawing
HCB8F Product Sales Drawing
HCB8S Product Sales Drawing
HCB12F Product Sales Drawing
HCB12S Product Sales Drawing



Disconnecting Solar Combiner Box Documents


Disconnecting Combiner Box Disconnecting Solar Combiner Box Spec. Sheet
Disconnecting Solar Combiner Box Technical Notes
HCB8DS Product Sales Drawing
HCB8DF Product Sales Drawing
HCB16DF Product Sales Drawing
HCB16DS Product Sales Drawing
HCB24DS Product Sales Drawing

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