PVAF-T2-40B24-000, Solar arc fault detector with DIN rail mount. Enables compliance with 2011 US National Electric Code (NEC 2011 Article 690.11). Up to 2 CT’s / 2 combined lines per device. Each CT detects arcs on conductors up to 40A, 1000VDC (80A for entire device). Multiple devices can be used for larger numbers of combined strings. Applications in large string inverters or specialty combiner boxes. UL recognized. In order to meet NEC 2011 using this product, the customer must integrate and UL list the PVAF as part of a system which includes a means of mitigating the arc fault, such as an electrical disconnect device. NOTE : BE CERTAIN TO SPEAK TO A SENSATA ENGINEER OR PRODUCT MANAGER BEFORE ORDERING. John Kluza | Sensata Technologies| Attleboro, MA 02703 Office: 508.236.1947 | email:firstname.lastname@example.org Note-suggested mating header connector is Phoenix Contact 1736098 (not included).