Turck RSCD RSCD 440RD-21M Ethernet Cable Assembly

The Turck RSCD RSCD 440RD-21M is a rugged double-ended M12 D-coded, 4‑pin Ethernet cordset that delivers reliable Industrial Ethernet communication over a 21 m unshielded CAT5e link. It uses two straight M12 × 1 Male D-coded connectors, 24 AWG tinned copper conductors in an unshielded twisted pair, with HDPE insulation and a red TPE jacket for easy circuit identification, and provides a 6.1 mm outer diameter. Specifications include 48 V / 4 A rating, IP67/IP68/IP69K protection when mated, static operating temperature −40 °C to +80 °C and dynamic +5 °C to +80 °C, mechanical life >100 mating cycles, gold-plated bronze (CuSn) / brass (CuZn) contacts, and brass, nickel‑plated coupling nuts with tightening torque 0.8–1.0 Nm. This cable carries CAT5e Ethernet and meets IEC 61076-2-101, UL 1685, UL 1061, with approvals UL 1863, CE, UKCA, RoHS, and features Flexlife, C‑Track approval (35 million cycles), oil resistance, and a -40 °C cold bend rating. Common applications include PLC control panels, industrial Ethernet switches, distributed I/O systems, machine vision, conveyors, and automated manufacturing lines, making it a dependable choice for maintenance teams, OEMs, and system integrators seeking clear, color-coded Ethernet connectivity.