RKL4737 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4737 is part of the RKL Motor Power Cables series and features 4 power conductors with a wire cross-section of 25.0 mm². It has auxiliary conductors, a PUR jacket in RAL 2003 orange, and supports 5 million bending cycles. The cable's overall diameter is 29.8 mm and it is designed with connections for RLK1401 on the motor end and RLS0724/K25 on the controller end.
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Product Description:
The RKL4737 cable is a flexible motor power lead produced by Bosch Rexroth Indramat as part of the RKL Motor Power Cables series. It links servo or spindle motors to drive controllers, carrying three-phase supply, protective earth, and auxiliary conductors so that automated machinery maintains regulated torque and speed. Its construction is intended for energy-chain or continuous-motion installations where small bend radii and mechanical endurance are mandatory.
Four power cores with a cross-section of 25.0 mm² deliver the main current, and the same number of auxiliary cores provides sensor or brake circuits, bringing the total conductor count to 4 per function group. The cable jacket is PUR in the industry-recognised RAL 2003 orange for high visibility. Internal layers correspond to the bulk designation INK0607, which specifies insulation wall thickness and conductor stranding. When installed in dynamic drag-chain routes the assembly tolerates a minimum loop of 7.5xD, preventing copper fatigue, while its external diameter of 29.8 mm helps designers allocate carrier channel width.
Mechanical durability is demonstrated by a flex life of 5 million cycles under rated load. For fixed routing the permitted bend limit relaxes to 5xD, enabling tighter cabinet turns after the motion section. The controller interface is a pre-moulded RLS0724/K25 connector that locks quickly and seals against coolant mist, whereas the motor side ends in an RLK1401 plug keyed to Bosch Rexroth motor housings. Auxiliary pairs use a conductor area of 1.5 mm², ensuring adequate voltage to sensors across long runs without excessive bulk. These limits allow the cable to operate in gantry, tool-changer, and packaging axes that move continuously throughout a production shift.
Frequently Asked Questions about RKL4737:
Q: How many auxiliary conductors are included in the Bosch Rexroth Indramat RKL4737 cable?
A: The RKL4737 power cable is fitted with 4 auxiliary conductors.
Q: What is the minimum dynamic bend radius for the RKL4737 cable?
A: The RKL4737 features a dynamic minimum bend radius of 7.5 times the cable diameter.
Q: How many bending cycles can the RKL4737 cable endure during repeated flexing?
A: This cable is designed to withstand up to 5 million bending cycles.
Q: What material and color is the outer jacket of the RKL4737 power cable?
A: The RKL4737 uses a PUR (polyurethane) outer jacket with a RAL 2003 (orange) color.
Q: What is the power wire cross-section size for the Bosch Rexroth Indramat RKL4737 cable?
A: The cross-sectional area of each power conductor in the RKL4737 cable is 25.0 mm².
