ETAP 11.1.1 release is the latest in the ETAP 11 series and includes an important update to the earlier 11.1.0 release. The ETAP 11.1.1 release augments the key features of ETAP 11 with a new DC Arc Flash module, new libraries, built-in data conversion from other power system analysis software, multi language edition support and other enhancements. New Features & Capabilities DC Arc Flash Analysis Module Conversion tool from Dapper® PTW32 versions 6.0 & 6.5 Import from PSS®E version 29 & 30 Updated cable library based on NEC® 2008 New cable library based on British Standard New protective device library Multi Language Edition ETAP DC Arc Flash can be used to calculate the incident energy and determine the arc flash hazard levels for different types of direct current systems including mission critical facilities, solar generation sites, substation battery banks and nuclear plants. This module is compliant with NFPA 70E 2012 DC Arc Flash Analysis.