Energy Efficiency and Management

Solar Transition Box

Integra Enclosures’ TB4-2 Solar Transition Box is UL 1741 listed for use in the U.S. and Canada. Designed to safely transition and combine up to 4 photovoltaic (PV) strings into standard household wire. All components are protected by Integra’s high-quality NEMA 4X polycarbonate enclosure which can easily be mounted below or next to PV array with supplied bracket.

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Integra Enclosures

Integra Enclosures is an industry leader in polycarbonate and metal electrical enclosures. We specialize in delivering the highest quality products built to your exact specifications. All of our products hold a minimum NEMA 4X rating and are manufactured in the USA. We are constantly leading the way in enclosure innovation, finding new solutions to better protect your valuable equipment and make your job easier.Have a custom project? Email [email protected] for a quote today.