UNIRAC LARGE ARRAY^™

Two Post Geometry System with custom 0° and 45° Tilt Options for Commercial Installations

Modular Strength and Flexibility for Any Terrain

overview

UNIRAC LARGE ARRAY™ is built for solar projects that demand adaptability, strength, and scale. Designed to perform in tough site conditions ranging from rocky terrain to sloped landscapes, UNIRAC LARGE ARRAY pairs durable aluminum components with user-supplied 2-inch diameter Schedule 40 or Schedule 80 steel pipe to form a rigid, high-performance truss structure. Whether the project calls for seismic resilience, heavy snow loading, or high-wind stability, ULA delivers modular flexibility without compromise. Compatible with SOLARMOUNT and GFT rails and supported by Unirac’s extensive distribution network, UNIRAC LARGE ARRAY is the dependable choice for ground arrays of any size.

Installs on

Concrete

Ground Screw

Key Features & Benefits

Extreme Site Versatility

Engineered to perform on uneven, rocky, or sloped ground—ideal for challenging terrain and nonstandard project conditions.

Supports Any Scale

Modular design scales with your site—there’s no upper limit on system size.

Built for Harsh Conditions

Capable of withstanding Zone 4 seismic events and high wind or snow loads.

Flexible Pipe Integration

Compatible with readily available 2” or 3” Schedule 40 or 80 steel pipe—no need for custom materials.

Seamless Rail Compatibility

Works with Unirac’s SOLARMOUNT and GFT rail systems to create a unified, durable structure.

Foundation Options

Use with Unirac-approved KRINNER ground screws via our U-Builder design platform for maximum install flexibility.

Adjustable Clearance & Tilt

Increase leading-edge height or optimize tilt angles to navigate ground obstructions and meet design goals.

Domestically manufactured products available

System Components

To build a fully functional Unirac Large Array system, the following components are required:

RAILS

Cross Brace

Provides North-South and East-West diagonal bracing.

CLAMPS

FRONT CAP

Attached from horizontal pipe and upper end of North-South braces to vertical pipe

CLAMPS

rear cap

Attaches back horizontal pipe and upper end of East-West braces to vertical pipes.

CLAMPS

SLIDER

Attaches lower end of North-South cross brace and both ends of East-West braces to vertical pipes.

CLAMPS

RAIL BRACKET

Attaches rail to horizontal pipes

Rails

SM STANDARD RAIL

The flagship choice for residential mounting, built to handle a wide range of wind and snow conditions. Support spans up to 10 feet for stronger performance with fewer attachments.