RKL4305 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4305 is part of the RKL Motor Power Cables series and features a cable construction of 4x1.0 plus 2x(2x0.75) mm² StC. It uses a PUR jacket material that is adhesion-free and matte, with a nominal diameter of 12.0 mm. The cable handles rated voltages of 300/500 V for power and 300/300 V for control, and supports a maximum wire temperature of 90 degrees Celsius when fixed.
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Product Description:
The RKL4305 is a motor power cable produced by Bosch Rexroth Indramat for the RKL Motor Power Cables series. It joins drive controllers to synchronous motors, carrying both drive current and feedback leads in a unified sheath so cabinet wiring remains orderly. Within automated lines or gantry modules, the cable’s combined power cores and shielded signal pairs limit electromagnetic interference and reduce installation time compared with running separate harnesses.
The core arrangement follows a mixed build of 4x1.0 + 2x(2x0.75) mm² StC, and the assembly includes 4 (2 shielded pairs) dedicated to control signals for encoder or brake circuits. A nominal outer diameter of 12.0 mm defines gland and drag-chain sizing. For the power group the rated insulation withstand is 300/500 V, while the control pair insulation is limited to 300/300 V, allowing separation of drive and logic potentials along the cable run. The interconnection code RLS1101/C02–INK0653–RLS1102/C02 references the molded connectors fitted at either end, enabling plug-in attachment to Indramat servo drives and motor housings without field crimping.
The matte, adhesion-free sheath is molded from PUR; this material resists oils and abrasion in cable chains. Conductors can remain energized at a maximum wire temperature of +90 C when installed in a fixed layout. Static routing requires a minimum bend radius of 5xD, whereas dynamic cable-chain applications must observe a radius of 7.5xD to avoid copper fatigue. Each control wire carries 0.75 mm² of copper, matching the signal current levels defined for Bosch Rexroth encoders, and the 1.0 mm² power cores satisfy drive outputs up to the specified voltage class without excessive resistive loss.
