8ECH0021.1111A-0
The B & R Automation 8ECH0021.1111A-0 cable is a precision-engineered component within the CM16 Motor Cables series, designed to deliver reliable power transmission in demanding industrial automation environments. This self-ventilated motor cable provides Power Output of 0.75 kW and supports a Rated Current of 2.1 A, ensuring efficient operation of connected motor systems. With a robust Protection Class of IP65, the cable withstands dust ingress and water spray, enabling installation in harsh factory conditions. Its flange mounting design simplifies integration into motor assemblies while maintaining consistent performance across a broad operating range.
Technical specifications for the 8ECH0021.1111A-0 cable are comprehensive and rigorously defined. The cable supports a Rated Voltage of 400 V and operates at a Rated Speed of 3000 rpm, making it suitable for a variety of servo and stepper motor applications. Signal integrity is ensured by incremental encoder wiring rated 1024 PPR, and signal line resistance is tightly controlled to ≤140 Ω/km on 0.15 mm² conductors and ≤484 Ω/km on 0.24 mm² conductors. Mechanical robustness is delivered through a Drag chain acceleration of max. 50 m/s², ensuring long service life in dynamic cabling systems. The cable assembly weighs 3.5 kg, offering a balanced trade-off between flexibility and mechanical stability.
Operational performance of the 8ECH0021.1111A-0 emphasizes both durability and precision. The self-ventilated cooling mechanism prevents thermal buildup during continuous operation, maintaining conductor temperatures within safe limits. Each cable is manufactured with a Shaft Diameter of 14 mm to match standard motor flanges, and the flange mounting type guarantees secure retention under torsional loads. The cable withstands repeated flexing cycles without degradation, making it ideal for drag chain installations and oscillatory motion applications. Compliance with industry standards for signal and power transmission is assured, supporting consistent, low-noise operation even in electrically noisy environments.
System integration is streamlined by the cable’s compatibility with existing industrial automation hardware. As part of the CM16 Motor Cables series, the 8ECH0021.1111A-0 integrates seamlessly with B & R Automation drives and controllers, reducing configuration complexity. Its flange mounting design and standardized shaft diameter simplify retrofits and new machine builds, while the durable, self-ventilated construction minimizes maintenance intervals. This cable is targeted at high-cycle, precision motion systems in factory automation, robotics, and material handling sectors, where consistent power delivery and signal fidelity are critical to overall system performance.
