Version 6.6A (january 2026)

Arc Flash Boxtest : definitive implementation of the Boxtest : IEC 61482-1-2 and integrated in the Arc Flash Manager; activation : read remark 5+6+9

Arc Flash results : results for the  Boxtest : IEC 61482-1-2 are displayed at the 3-phases short-circuits + Results (E [kJ] : Cat)

Arc Flash Graphics : extended Graphic functions F(Kb,rx) and F(Kp,rx)  for the Boxtest : IEC 61482-1-2

calculate Tarc (c) : added the trip time Tarc which can be calculated automatic (c); overrule Tarc with manual input

Settings : new  Arc Flash ListBox for total review Distributors and directly adapt multiple Settings and Results; read remark 9

Slider button : slider button for the working Distance D, Kt and the Gap in the Arc Flash manager

print F(Ku..) : print the Graphic Boxtest functions F(Ku,Kb) + F(Ku,Kp) + F(RX..)

Arc Flash labels : new labels for the Boxtest : IEC 61482-1-2 generated with IS-CAD; read note 3+4 and remark 3 > $arcflashuse...

Arc Flash tags : correction vertical offset for all text (tags) in the arc flash labels

Polynomial : Graphic display Polynomial in the Arc Flash Manager

Distributor : dialog Distributor data is extended with the Arc Flash icon

Working Distance : the default working Distance D has changed to 300 mm (was 457)

Arc Flash ListBox : extended ListBox with working Distance and the Kt factor for each Distributor; extensions dialog + display Results >

Arc Flash label : the labels for the Boxtest are adapted and extended with "Ecdf=" text labels

Scale factor % + G(rid) : display device adjustment for adapting the width of columns in all extended ListBoxes see Size of dialogs

Support+ : extra support for large installations with thousands of Rows : see Rmv

Scheme : dialog Classification of the scheme adapted and extended with buttons Rmv, import_RxK and Suppress Vxx; read Remark 10

Collections Cxx : adapted the display for Collections for a large number of Rows see Rmv and Suppress Vxx

Selection for Transformers / UPS / PV is adapted : click the symbol (not above or below)

Database conductors : added busbars from manufacturer Zucchini type XCP-HP Al + Cu (Legrand NL)

Database conductors : adapted layout database manager conductors (Code); Reactances at 4 decimals accurate; read remark 9

Battery Supply : new Supply for Batteries for DC circuits, such as behind PV inverters; see Symbol Libraries; correction display IBnet (1-phase supplies)

DC motor : place DC motor symbol : open the library > button S or add Power and open the Power-list

def_SPV : explained the formula for Usec and def_SPV for the PV wizard : see remark 4 and 14

maintenance : the message no valid maintenance is extended with the version details

Control Panel : the Control Panel > Devices is integrated in the installer (check USB present)

Bugs+corrections : correction message incorrect Zoomfactor  + scale factor; bug type equipment; correction display tooltips distributors (Usec=); corrections message incorrect symbol type (AC/DC); correction display IBnet (1-phase)

New developments : INTELEC SaaS + Cloud + BIM Revit plugin + integration external databases...