ZK4500-8022-0040 Beckhoff
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The Beckhoff ZK4500-8022-0040 is a motor cable from the ZK Motor Cables series with an overall length of 4 meters and a maximum operating voltage of 1000 V AC. This cable features bare copper conductors, a TPU jacket, drag-chain bend radius of 7 times the outer diameter, and has a maximum of 5 million cycles. Its shield coverage is at least 85 percent and it supports a signal impedance of 110 Ohms with an outer diameter of 11.6 millimeters.
Internal Product Review
The ZK4500-8022-0040 is a Beckhoff motor cable with bare copper conductors and a 4 m length that suits precise machine wiring. TPU jacketing and shield coverage of at least 85% support dependable durability and clean signal performance in motion applications. A rating of 5 million cycles makes the cable an excellent choice for demanding cable-chain duty.
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Product Description:
The ZK4500-8022-0040 is a preassembled motor cable manufactured by Beckhoff within the ZK Motor Cables series. It is intended for dynamic servo axes, carrying power and feedback signals between an AMP or AX drive and the corresponding motor in automated production cells. By combining shielded power conductors and twisted-pair signal lines inside a single jacket, the cable simplifies routing and helps reduce electromagnetic interference in drag-chain installations. It is suitable for moving machine parts because its mechanical design accepts continuous bending and torsional stress typical of multi-axis gantries and packaging equipment.
At an assembled length of 4.00 m, the cable reaches common cabinet-to-motor distances without excess slack. Its mass of 215 kg per kilometer limits load on linear guides, and the circular profile keeps a diameter of 11.6 mm ± 0.4 mm. For fixed wiring, the minimum bend radius is five times that diameter, while drag-chain motion requires seven times the diameter to help prevent conductor fatigue. Bare copper cores provide low resistance and use a power conductor cross-section of 1.00 mm² for servo currents. Polypropylene insulation and a TPU jacket resist oil and coolant. The twisted-pair signal cores use AWG22, and more than 85% braid coverage helps shield EMI. The cable supports up to 5 million cycles under the stated mechanical limits.
During operation, the assembly withstands line voltages up to 1000 V AC, allowing it to serve both low- and medium-power synchronous motors. In dynamic axes, the copper conductors can travel at speeds up to 4 m/s while meeting a torsional limit of ±30°/m, which helps avoid corkscrew effects in robotic joints. Differential data pairs present an impedance of 110 Ω ± 10 Ω, matching common EtherCAT encoder interfaces and minimizing signal reflections. This arrangement supports simultaneous motor power transmission and feedback communication within one moving cable.
