Jung 1720 NE branch 2-wire, use

No. 2-wire, application, nominal voltage: AC 230 W ~, mains frequency: 50/60 Hz, connection: screw terminals, 1 x 0.5 to 4 mm2 or 2 x 0.5 to 2.5 mm2 (single and fine-drained without wire end sleeve) and 1 x 0.5 to 4 mm2 or 2 x 0.5 to 1.5 mm2 (skinned with wire end sleeve,) total length of side points:.