4S Self Supporting Solar Solutions™
Self-supporting DC collection from the panels to the inverter: no hangers between posts, no anchors at the corners, and a factory-installed connector that replaces combiner boxes. Developed by our partner WTEC.
4S Self Supporting Solar Solutions™ and SolarTough™ are trademarks of WTECWhy 4S
- — The factory-installed connector removes the need for combiner boxes.
- — Trunk cable is self-supporting from post to post, with no hangers.
- — The bracket design keeps cable in free air for up to about 20% more current.
- — Works with trackers or fixed tilt and any panel type.
System components
| Component | Features |
|---|---|
| Plug-N-Play harnesses | Over-molded X, Y, T and trident junctions combine strings into one 10 or 8 AWG output; replaceable fuse connector (change the fuse, not the harness); 1,500 V. |
| DC trunk cable with connector | Aluminum conductor with aluminum-clad steel messenger, self-supporting post to post; factory-installed penetrating shear-bolt connector, up to four 8 AWG inputs; 500, 600, 750, 1,000 and 1,250 kcmil; 1,500 V; up to 900 A. |
| Pile and bracket hanging system | Galvanized steel bracket with slot attachment and pre-installed ground lug; UV-resistant UHMW clamping blocks; spans up to 25 ft. |
| DC disconnect box | Up to 1,500 V; one 800 A or two 600 A disconnects; accepts 4S trunk lines; NEMA 4X; optional quick-mount bracket or feet. |
Frequently asked questions
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