RKL4744 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4744 is part of the RKL Motor Power Cables series and features a cable diameter of 30.8 mm with a PUR jacket. It is equipped with three power conductors at 35.0 mm² each, four control conductors of 1.5 mm², and is suitable for drag chain use with both static and dynamic bend radii specifications.
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Product Description:
The RKL4744 is a motor power cable from the RKL Motor Power Cables series produced by Bosch Rexroth Indramat. It links IndraDrive power stages to servo motors, carrying three-phase supply and auxiliary control signals while tolerating continuous motion inside drag chains. With a polyurethane outer jacket and generous conductor sizing, the cable is intended for high-current axes that see both fixed routing and dynamic robotic articulation in industrial automation cells.
The overall diameter is 30.8 mm, a dimension that determines gland selection and bend radius calculation. Power is transmitted through three copper cores each rated at 35.0 mm², keeping voltage drop low over long runs. DC resistance of those cores is only 0.554 Ohm/km at 20 °C, limiting thermal rise during sustained current flow. A tough PUR sheath resists oil, weld spatter, and coolant while remaining flexible at low temperatures. During operation in cable chains the design maintains a minimum dynamic loop of 7.5xD, helping prevent conductor fatigue when the cable is cycled millions of times.
For stationary routing the cable can relax to a tighter static loop of 5xD without violating manufacturer limits. The insulation system presents a line-to-ground discharge capacity of 1.2 nF/m, a figure important when sizing drive-side EMC filters. Four auxiliary cores, each sized at 1.5 mm², carry brake or temperature sensor signals independent of the power conductors. Visibility within cable trays is enhanced by the jacket coded RAL 2003 (orange), allowing quick identification of energized power circuits during service work.
Wake Industrial can arrange same-day shipping options for qualifying orders. Quotations for this cable are valid for 30 days to assist with project budgeting. Customers may use the free chat tool for general questions on type codes or electrical characteristics.
Frequently Asked Questions about RKL4744:
Q: What is the overall cable diameter of the RKL4744 power cable?
A: The RKL4744 motor power cable has a cable diameter of 30.8 mm.
Q: What type of jacket material is used on the Bosch Rexroth Indramat RKL4744 cable?
A: This cable features a PUR (polyurethane) jacket material for its outer insulation.
Q: What is the dynamic bend radius rating for the RKL4744 motor power cable?
A: The dynamic bend radius for the RKL4744 is specified as 7.5 times the cable's diameter.
Q: How many power conductors are present in the RKL4744 cable and what is their cross-section?
A: There are 3 power conductors in this model, each with a cross-sectional area of 35.0 mm².
Q: Is the Bosch Rexroth Indramat RKL4744 cable suitable for drag chain use?
A: The RKL4744 is designed for use in drag chain applications, supporting continuous flexing movement.
