RKL4734 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4734 is a preassembled motor power cable from the RKL Motor Power Cables series. It features a power wire and PE conductor cross-section of 10.0 mm² and supports up to 5 million bending cycles. The cable uses a RLS0723 (K10) controller-side connector and a terminal box RLK1401 for the motor-side connection.
Internal Product Review
The RKL4734 is a preassembled Bosch Rexroth Indramat motor power cable designed for high durability, supporting up to 5 million bending cycles. Featuring a 10.0 mm² power wire cross-section and INK0605 bulk cable type, this model ensures reliable power transmission in demanding motion applications. Overall, the robust construction and dynamic flexibility make it a dependable choice for industrial environments.
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Product Description:
The RKL4734 motor power cable is produced by Bosch Rexroth Indramat within the RKL Motor Power Cables series. It is a preassembled link between an IndraDrive controller and the terminal box on a synchronous or induction motor, carrying three-phase supply conductors and protective earth in a single jacket. The design supports dynamic machine axes where repeated motion subjects the cable to continuous flexing, so it is suitable for industrial automation wiring looms used with gantries, handling robots, and track-moving servo modules.
The cable has a service life of 5,000,000 flex cycles when the installation follows the minimum dynamic bend radius of 7.5 × D. For stationary routing, the permitted bend radius is 5 × D, reducing the required routing space while avoiding conductor fatigue. The bulk cable identifier is INK0605, which corresponds to insulation compounds and shielding geometry that meet Rexroth EMC requirements. On the controller side, the cable is terminated with an RLS0723 (K10) plug, enabling quick connection to IndraDrive power terminals without field crimping. Factory overmolding and integrated strain relief reduce installation work and protect the conductor terminations from stress during repeated movement.
At the motor end, the conductors terminate inside the RLK1401 terminal box used with compatible Rexroth MSK and MAD motors. The three phase leads and protective earth conductors each have a cross-sectional area of 10.0 mm², providing current capacity for typical medium-frame motors at their nominal operating levels. Feedback, heater, or brake circuits can be accommodated through the auxiliary conductor pairs. Signal cores labeled 5 and 6 have a cross-sectional area of 1.0 mm², while auxiliary cores labeled 7 and 8 have a cross-sectional area of 1.5 mm² for moderate current loads. Because the assembly is fully preassembled, field wiring is limited to routing the cable and tightening the motor-side terminals, which helps preserve the intended shielding arrangement.
