BS PD IEC/TS 63066:2017 applies to docking connectors (hereinafter referred to as accessories)incorporated in or fixed to electrical equipment, intended to connect removable energystorage units to a dedicated electric power conversion unit, to an energy consuming unit or toanother energy storage unit.These accessories are intended for DC and may include an earth1 contact and/or optionalauxiliary contacts for signaling and data. These accessories have a rated current of up to800 A and rated operating voltages not exceeding 1 000 V DC.These accessories are not suitable for mating or unmating under load. These accessories areintended to be installed by instructed persons (IEC 60050-195:1998, 195-04-02) or skilledpersons (IEC 60050-195:1998, 195-04-01) only.The list of preferred ratings is not intended to exclude other ratings.This document applies to accessories for use under environmental conditions as described inClause 32.These accessories are intended to be connected to current carrying parts in copper or copperalloy only, plated or not plated.This document also applies to accessories intended to be used at extra-low voltage.In locations where special conditions prevail, for example on board vehicles, additionalrequirements may apply.These accessories are intended to be used with a specific charging system.NOTE For conditions other than operation, additional requirements could be applicable, for instance IEC 62133 and the UN Recommendations on the Transport of Dangerous Goods section 38.338.3.Cross References:IEC 60309-1:1999IEC 60309-1:1999/AMD1:2005IEC 60309-1:1999/AMD2:2012IEC 60068-2-1IEC 60068-2-2IEC 60068-2-14 IEC 60068-2-30IEC 60068-2-38IEC 60068-2-52IEC 60068-2-60 IEC 60309-1:1999IEC 60309-1:1999/AMD1:2005IEC 60309-1:1999/AMD2:2012IEC 60352IEC 60417IEC 61140:2016IEC 61373:2010ISO/IEC TR 29106:2007ISO/IEC TR 29106:2007/AMD1:2012IEC 60050-195IEC 60884-1:2002IEC 60884-1:2002/AMD1:2006IEC 60884-1:2002/AMD2:2013IEC 62133ISO 61750-3:2012