SolarBOS Combiner Passes Arc Fault Tests

SolarBOS Inc., a developer of solar balance-of-system products, says its new arc fault detection and interruption (AFDI) combiner has passed internal testing that used a setup similar to that described in the latest draft of the UL1699B standard.

According to the company, the combiner box successfully detected and interrupted several arcs of various currents well within the time limits described in the standard. The tests were conducted using a 600 VDC PV array at SolarBOS' production facility in Livermore, Calif.

‘Many of our customers were concerned about the new arc fault requirements in the 2011 National Electrical Code, and our engineering team has been working on a solution for this since mid-2010,’ notes Jason Schripsema, CEO of SolarBOS Inc.


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