Use IronRidge BHW-MI-01-A1 T-Bolt mounting kit to secure and bond microinverters and optimizers to the top slot of the XR rails. They are compatible with major inverter brands, they have been successfully tested with the following equipment:
IronRidge designs and manufactures structural hardware for residential and commercial solar systems. For nearly 20 years, they have worked closely with solar professionals across the globe to build products that are strong, simple and cost-effective. IronRidge's mission is to Make Solar Stronger. They design and test every product in the most extreme conditions possible, then certify them for compliance with the latest engineering and building codes. Their racking products are also supported with powerful online tools and experienced support teams. IronRidge's main office is in Hayward CA, they also have offices in AZ and PA.