RKL4469 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4469 is a motor power cable from the RKL Motor Power Cables series. It features a cable construction of 4x16.0 mm² plus two control pairs, with a jacket made of PUR in RAL 2003 orange. The cable supports use in drag chains and has a fixed bending radius of 5 times the cable diameter and 7.5 times for flexible use.
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Product Description:
The RKL4469 motor power cable is produced by Bosch Rexroth Indramat as part of the RKL Motor Power Cables series. It is a multi-conductor assembly intended to deliver mains energy and sensor lines between a servo drive and its matched motor in automated workcells, conveyors, and machine tools. By bundling power cores with separate control pairs, the product simplifies cabinet wiring and reduces electromagnetic interference inside industrial automation enclosures.
During installation, fixed routing must respect a minimum bend radius of 5 x D, while dynamic sections that move with the axis are limited to 7.5 x D; these radii help prevent copper strand fatigue and keep the jacket from kinking. The outer sheath measures 25.5 mm in diameter, giving enough wall thickness to shield the internal bundle from cutting oils. Four power conductors each have a cross-section of 16.0 mm², so the cable can handle drive currents typical for mid-frame synchronous motors. The DC resistance of the combined phase set is only 1.21 Ohm/km, limiting voltage drop on long machine gantries. For permanently clamped runs, the conductor insulation withstands a wire temperature of 90 °C, allowing continuous heavy-load duty without premature aging.
The cable is approved for drag-chain motion, so repeated torsion and travel over millions of cycles will not crack the polyurethane sheath. Its internal design follows the 4x16.0 mm² + 2x(2x1.5 mm²)StC layout, providing two shielded control pairs for brake or temperature signals. When flexed in a carrier, the copper can operate safely at 80 °C. The outer jacket is molded from PUR, a material that resists hydraulic fluid and weld spatter, and it is colored RAL 2003 (Orange) to match Bosch Rexroth safety cable coding and simplify visual tracing during maintenance.
Frequently Asked Questions about RKL4469:
Q: Is the RKL4469 cable suitable for drag chain applications?
A: The RKL4469 power cable supports drag chain use, allowing for flexible movement in dynamic industrial environments.
Q: How many control pairs are included in the RKL4469 cable?
A: This cable features two integrated control pairs, enabling low-voltage signal transmission alongside power delivery.
Q: What material is used for the outer jacket on the RKL4469 cable?
A: The RKL4469 uses a PUR jacket material for added abrasion and chemical resistance.
Q: What is the cross-sectional area of the power conductors in the RKL4469?
A: The power conductors in this cable have a cross-section of 16.0 mm², designed to carry high current loads efficiently.
Q: What is the jacket color of the RKL4469 cable?
A: The cable's outer sheath comes in RAL 2003 orange for clear visibility and identification.
