RKL4736 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4736 is part of the RKL Motor Power Cables series and has a cable diameter of 29.8 mm. This power cable is designed for 5,000,000 bending cycles and supports drag chain use. It features a PUR jacket in RAL 2003 orange, with a typical capacitance of 1.1 nF per meter.
Internal Product Review
The RKL4736 motor power cable from Bosch Rexroth Indramat is engineered for high-flex applications, supporting up to 5,000,000 bending cycles and reliable drag chain use. Its robust PUR jacket is adhesion-free and matte, finished in RAL 2003 orange for high visibility. This cable is an excellent choice for demanding industrial motion systems requiring durability and flexibility.
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Product Description:
The RKL4736 is a motor power cable manufactured by Bosch Rexroth Indramat as part of the RKL Motor Power Cables series. It serves as the primary energy link between drive inverters and synchronous motors, carrying both power and low-level control leads in a single composite jacket. The cable is intended for industrial automation layouts that demand frequent linear movement, permitting installation in drag-chain carriers without signal loss or mechanical fatigue. It suits packaging machines, palletizers, and material-handling axes where constant repositioning places high stress on cabling.
The cable’s outer diameter is 29.8 mm, accommodating three power cores with a cross-section of 25.0 mm² that transfer high currents to the motor. A dedicated auxiliary pair sized at 1.5 mm² enables brake release or sensor supply while sharing the same sheath. Typical mutual capacitance of 1.1 nF/m influences common-mode currents, and the loop resistance remains at 0.78 Ω/km when measured at 20 °C, aiding voltage-drop calculations. The generous insulation thickness buffers electromagnetic interference and improves dielectric strength between adjacent cores. Taken together, these electrical parameters allow engineers to predict heating, select fuses, and set maximum permissible installation length.
The polyurethane sheath is a matte, adhesion-free PUR compound finished in the industry-recognised RAL 2003 orange for clear cable identification. In dynamic carriers the assembly withstands up to 5,000,000 bending cycles provided the loop diameter is held to at least 7.5 x D; for fixed routing the minimum radius is 5 x D. With approval for drag-chain operation, the layered conductor stranding and PUR jacket prevent cracking, abrasion, and conductor migration during continuous acceleration. This mechanical resilience supports 24-hour duty in high-speed assembly lines.
