For stranded and solid wires. Wire cross-sections: main terminals: 2 x 0,5-2,5 mm², auxiliary terminals: 1 x 0.5-1,0 mm². Stripping of wires: main terminals: wire cross- section 0,5 mm²-1,5 mm²: stripping: 8-12 mm, wire cross-section 2,5 mm²: stripping: 9-12 mm, auxiliary terminals: stripping 8-12 mm. Weight: plug 29,1 g, socket 28,6 g. Coupler width 48 mm. Other dimensions identical to respective versions with locking latches on the sides of the coupler. The separate locking device NK3F.W is delivered with the plug. Pole markings in parentheses.