RKL0091 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL0091 is a ready-made power cable from the RKL Motor Power Cables series. It has a dynamic bending radius of 7.5 times the diameter and supports up to 5,000,000 bending cycles. The operating temperature ranges from -30 to 80 degrees Celsius.
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Product Description:
The RKL0091 is a motor power cable produced by Bosch Rexroth Indramat for the RKL Motor Power Cables series. It connects servo drives to synchronous motors, carrying phase current and protective earth through a preassembled cable. Because the connectors are installed before delivery, the cable does not require separate field termination or on-site crimping. This arrangement reduces the number of wiring steps required when routing motor power through automated machine tools, material-handling gantries, and packaging lines.
The cable is delivered as a ready-made assembly with factory-installed connectors already attached to both ends. It is categorized as a power cable, so it carries motor voltage and protective earth, while encoder and control signals use separate harnesses. Mechanical durability is rated for 5,000,000 continuous-flex cycles in energy chains or drag-chain tracks before conductor fatigue becomes a concern. During movement, the cable must maintain a minimum dynamic bend radius of 7.5 × D to protect the conductors, insulation, and outer jacket from repetitive strain. A fixed installation permits a minimum static bend radius of 5 × D because the cable is not exposed to continuous bending. Appropriate strain relief should support the connector ends and prevent pulling forces from being transferred to the internal conductors.
The cable supports operation at temperatures up to 80 °C, allowing it to carry motor power in areas exposed to heat from nearby equipment. Its maximum storage temperature is 40 °C, which helps prevent long-term deterioration of the jacket while the cable remains unused. The minimum temperature for both operation and storage is -30 °C, permitting installation or storage in unheated industrial spaces. Cable routing should allow enough clearance to maintain the applicable bend radius throughout the full travel of a moving axis. In fixed cabinet raceways, clamps should hold the cable securely without compressing the jacket or placing excessive stress on the connector interfaces.
