ZK1090-3131-0050 Beckhoff
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The Beckhoff ZK1090-3131-0050 is a motor cable from the ZK Motor Cables series with a length of 5.00 meters and rated for 30 volts. It features an M8 A-coded connector, a cross-section of 1 x 4 x 0.14 mm² (AWG26), and is constructed using tinned copper conductors with a PUR polyurethane jacket. The cable is designed with four pins, a shield covering factor of 90 percent, and supports a rated current of 4 amperes at 40 degrees Celsius.
Internal Product Review
The ZK1090-3131-0050 is a Beckhoff motor cable built with an A-coded M8 interface and a 4-pin layout. Tinned copper conductors and a PUR jacket support dependable installation quality and stable electrical performance. A 90% shield covering factor is a particularly strong feature for maintaining signal integrity.
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Product Description:
The ZK1090-3131-0050 is a motor feedback and sensor cable manufactured by Beckhoff as part of the ZK Motor Cables series. Designed for integrated motion systems, the assembly carries encoder and low-power supply signals between a servo drive and a field-mounted motor. Its factory-molded contacts and polyurethane outer jacket let machine builders route wiring through energy chains without field crimping, while the female M8 plug enables direct connection to compact I/O blocks on decentralized axes in packaging, material-handling, and small-robot installations.
The cable is supplied in a length of 5.00 m, providing a fixed reach that covers enclosure-to-axis distances on mid-sized machines. A rated voltage of 30 V classifies the assembly for extra-low-voltage circuits, and the conductor set can carry up to 4 A continuously at 40 °C before thermal derating. Each conductor has a cross-section of 1 × 4 × 0.14 mm² (AWG26) and uses 19 strands of 0.1 mm tinned copper wire to maintain flexibility while limiting oxidation. An individual wall insulation thickness of 0.25 mm and an overall PUR jacket provide resistance to oils, weld spatter, and torsional stress. The integral M8 connector is A-coded with four pins, allowing immediate mating to Beckhoff servomotor sockets without custom wiring.
A braided shield with a coverage of 90 % surrounds the core bundle and attenuates electromagnetic interference from adjacent power lines. Pair-to-pair interaction is further reduced by a mutual capacitance of 51 pF/m, which helps keep encoder edges sharp over the full cable length. For time-critical position loops, the specified propagation delay is 5.55 ns/m, so the assembly introduces only minimal phase shift. The copper path has a loop resistance of 250 Ω/km, making voltage drop insignificant at the permitted current. Final mechanical retention at the device port is achieved by tightening the knurled coupling nut to 0.4 Nm.
