© 2019 IRONRIDGE, INC. VERSION 1.8
BX SYSTEM INSTALLATION MANUAL - 2
RATINGS
Product markings are located on the top surface of the BX
Chassis.
MARKINGS
UL 2703 LISTED
• Conforms to STD UL 2703 (2015) Standard for Safety First Edition: Mounting Systems, Mounting Devices, Clamping/
Retention Devices, and Ground Lugs for Use with Flat-Plate Photovoltaic Modules and Panels.
• Max Overcurrent Protective Device (OCPD) Rating: 25A
• Max Module Size: 25.6ft²
• Module Orientation: Landscape
• System Level Allowable Design Load Rating: 30 PSF downward, 20 PSF upward, 5 PSF lateral. Actual system
structural capacity is defined by PE stamped project designs.
CLASS A SYSTEM FIRE RATING PER UL 2703
• Any System Tilt with Modules Types 1, 2, 3, 13, 19, 25 & 29 on Low Slope Roofs (< 9.5 degrees)
• Any module-to-roof gap is permitted with no perimeter guarding required. This rating is applicable with any IronRidge
or 3rd party roof attachment and with or without concrete blocks in the Chassis.
•
Class A rated PV systems can be installed on Class A, B, and C roofs without affecting the roof fire rating.
STRUCTURAL CERTIFICATION
•
Designed and Certified for Compliance with the International Building Code & ASCE/SEI-7
• Wind Tunnel Testing by I.F.I.
• Approved for use on roof pitches up to 7 degrees (<7 degrees)
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