RKL4526 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4526 belongs to the RKL Motor Power Cables series and uses a bulk cable type INK0603 with a PUR matte jacket colored RAL 2003 orange. This cable features a total of 8 conductors, a power wire cross-section of 4.0 mm², and conductor resistance at 4.95 Ω/km. It includes an RLK0004 motor-side interface and a plug connector type INS0482/C04.
Internal Product Review
The RKL4526 from Bosch Rexroth Indramat is a durable RKL motor power cable featuring a PUR matte, adhesion-free jacket in RAL 2003 orange for high visibility and abrasion resistance. It is equipped with an INK0603 bulk cable type and an RLK0004 motor-side interface, supporting eight total conductors for reliable power transmission. This cable is an excellent choice for environments demanding robust insulation and secure connections.
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Product Description:
The RKL4526 motor power cable is manufactured by Bosch Rexroth Indramat and belongs to the RKL Motor Power Cables series. It serves as the fixed or flexing link between an IndraDrive inverter and its matched synchronous or asynchronous motor, carrying phase power and earth while resisting mechanical abrasion and oil exposure. The design of this cable helps maintain electromagnetic compatibility and provides consistent electrical performance in automated transfer lines, packaging machines, and assembly cells where uninterrupted motor energizing is critical.
At the core of the assembly is the bulk cable type INK0603, a designation that defines conductor grouping and insulation geometry for predictable attenuation along the run. The jacket is coloured RAL 2003 (orange), providing rapid visual identification of power wiring inside control cabinets and drag chains. A PUR (adhesion-free, matte) outer sheath resists cutting fluids and prevents sticking to adjacent cables, which helps during repeated motion cycles. Electrical losses are limited by a conductor resistance of 4.95 Ω/km, so voltage drop remains within drive tolerances over typical cable lengths. The distributed capacitance is specified at 0.8 nF/m, a value that reduces reactive current and allows the inverter to switch at high edge rates without excessive thermal loading.
Interface hardware finishes the connection path. On the motor end, the cable terminates with an RLK0004 circular interface that matches Rexroth housings, while the drive-side uses the plug connector INS0482/C04 for keyed mating inside the cabinet. Three phase conductors each feature a cross-section of 4.0 mm², and an identical area is assigned to the protective earth core to keep fault loop impedance low. In total, the bundle contains 8 insulated conductors, leaving additional pairs available for brake or sensor supply lines so that ancillary functions can travel within the same routed harness without separate cabling.
