Elpress KSF50M — copper compression through connector (splice sleeve) for jointing 50 mm² copper conductors end to end. Formed from 99.95% electrolytic copper, tin-plated (Cu/Sn), with a cable inspection hole and internal cable stop (this M variant has a central partition / barrier between the two conductor entries). Accepts stranded (IEC 60228 Class 2) and flexible (Class 5/6) copper conductors. Crimped with matching Elpress dies to a gas-tight, low-resistance joint tested to IEC 61238-1. Approvals: UL File E205350, DNV type approval.