SunModo Grounding Lug SMR GRND-SMR
SunModo Grounding Lug SMR GRND-SMR
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SunModo Grounding Lug SMR GRND-SMR
GRND-SMR
SunModo Grounding Lug SMR GRND-SMR
The GRND-SMR is SunModo’s bonding/grounding lug for SMR rails. It installs on the rail top or side with a T-bolt, grounding spacer, and flange nut to create a code-compliant ground bond per UL 2703 and NEC 690.47. Compatible with SMR100/SMR300 and standard SunModo rails.
Key Benefits
Code-Compliant Bonding: UL 2703 system component; supports NEC 690.47 grounding practices.
Fast Install: Pop into the rail and secure with included hardware; top- or side-mount options.
Wide Rail Compatibility: Works with SMR100/SMR300 and other SunModo rails.
Durable Hardware: Stainless T-bolt and serrated washer for reliable metal-to-metal bonding.
Special Technology
Self-Bonding System: Integrates into SunModo’s UL 2703 self-bonding architecture for arrays; includes defined torque values for consistent performance.
Warranty
Manufacturer’s standard hardware warranty (SunModo).
Best Uses
Pitched Roof & Ground-Mount: Grounding termination point for SMR rail rows in residential and C&I arrays.
Specifications Table
| Specification | Data |
|---|---|
| Part Number | GRND-SMR |
| Legacy / Alt. Part No. | K10469-004 (also seen as K10469-001 in older listings) |
| Function | Bonding / grounding lug for SMR rail systems |
| Rail Compatibility | SMR100, SMR300; fits standard SunModo rails |
| Conductor Range | #6–#12 AWG copper, solid or stranded (including THHN/THWN) |
| Mounting Options | Top-mount (T-bolt + spacer + flange nut) or side-mount alternate |
| Torque — Wire Screw | 5.6 Nm (4.2 ft-lb) |
| Torque — Flange Nut | 10.2 Nm (7.5 ft-lb) |
| Weight | 0.5 lb |
| System Standards | UL 2703 (racking & bonding); CSA C22.2 No. 61730-2 |
| Notes | Single-use after final torque; typical install shows #6 solid copper rail bond to building ground |
About SunModo:
SunModo is a U.S.-based manufacturer of innovative solar racking systems focused on simplifying installation while ensuring lasting structural performance. Headquartered in Vancouver, Washington, SunModo offers a full line of mounting solutions, including rail-less, roof-mount, and ground-mount systems.
Engineered to meet UL and NEC standards, their products are widely trusted for residential, commercial, and industrial PV installations. SunModo’s mission is to drive down the total cost of solar deployment through product innovation and installer-friendly designs.
Why Buy From US Solar Supplier?
As an American founded company out of Kentucky, US Solar Supplier is committed to providing top-quality solar products, backed by the world’s leading manufacturers.
Our promise is to get you the fairest price from the best brands that offer warranties you can count on. We are updating our inventory daily with solar components that offer the latest technology. With a reputation for excellence and a dedication to customer satisfaction, we ensure that every product we sell meets the highest standards in the industry.
Need Assistance?
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