ZK4500-0023-0120 Beckhoff
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The ZK4500-0023-0120 motor cable from Beckhoff is part of the ZK Motor Cables series and features a cable length of 12 meters and an outer cable diameter of 12.4 mm. It uses bare copper conductors and a PUR jacket material, with a core construction of 4 x 1.5 plus 2 x (2 x 0.75) mm². The cable supports a maximum operating voltage of 1000 V AC and can withstand a maximum acceleration of 30 m/s² with a travel distance up to 20 meters.
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Product Description:
The ZK4500-0023-0120 is a flexible motor supply cable manufactured by Beckhoff within the ZK Motor Cables series. It is intended for moving-axis installations where a servo amplifier must deliver power and signals to a motor that travels along an energy chain or cable track inside an industrial automation cell. This arrangement supports continuous motion along the travel path without requiring separate loose wiring for the motor connection. A braided screen with at least 85% optical coverage limits EMI so encoder feedback remains stable during rapid motion.
This assembly ships in a length of 12 m, giving adequate reach between the cabinet and carriage without splices. Its conductors follow a 4 x 1.5 + 2 x (2 x 0.75) mm² layout, so four 1.5 mm² power wires are paired with two shielded twisted-pair signal groups. Bare copper strands keep resistance low, and the maximum operating potential of 1000 V AC allows connection to drives that run on high-voltage DC links. Dielectric integrity is verified by a 4000 V wire-to-wire test, while insulation resistance remains at 10 MΩ·km to minimize leakage in humid environments. The power cores present 13.3 Ω/km of loop resistance. Head A uses an M23 shell with an 8-pin insert that supports common Beckhoff motor pinouts. An outer jacket made of PUR resists cutting oils and weld spatter, and the finished cable diameter is 12.4 mm for compact routing inside drag-chain separators.
The cable can withstand accelerations up to 30 m/s² and carrier speeds of 4 m/s. These values apply across strokes that reach 20 m without exceeding the permitted bend radius during motion. Service life is verified for 10 million double strokes under these conditions, which suits repetitive travel in automated handling, gantry, and packaging equipment.
