RKL4337 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4337 is a motor power cable from the RKL Motor Power Cables series. It features a PUR matt jacket in RAL 2003 orange and supports up to 5,000,000 bending cycles for drag chain use. The cable uses RLS1301/C06 and RLS1302/C06 connectors and includes wire cross-sections of 4.0 mm², 1.0 mm², and 1.5 mm².
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Product Description:
The RKL4337 belongs to Bosch Rexroth Indramat’s RKL Motor Power Cables series and functions as a dedicated motor power lead within modular automation systems. It supplies three-phase energy and protective-earth continuity between Indramat drive controllers and synchronous motors while tolerating constant motion inside energy chains that serve gantry axes, pick-and-place modules, and other dynamic machinery.
Mechanical life is rated at 5,000,000 bending cycles, meaning the cable can flex this number of times without conductor fatigue. The core is manufactured from the INK0603 bulk cable family, so conductor stranding and shielding match Rexroth motor interfaces. A jacket colored RAL 2003 (Orange) provides voltage-hazard recognition, and the outer sheath uses PUR (Matte) compound that resists oil, coolant, and weld spatter. During operation the dynamic bending radius must not fall below 7.5xD; this limit controls loop diameter when the cable is moving. The design is approved for drag-chain routing, and individual phase conductors plus protective earth use a 4.0 mm² section, while auxiliary pairs employ 1.0 mm² and 1.5 mm² copper to transmit brake and temperature signals.
Factory-assembled terminations simplify installation. Motor-side wiring is finished with a RLS1301/C06 connector, and the drive-side uses the complementary RLS1302/C06 plug; both are keyed for Indramat pin-outs and include 360° EMC shielding. When the cable is fixed in trays or cabinets the minimum bend can be reduced to 5xD, reflecting the lower stress under static routing. The three power cores and protective-earth conductor share a cross-section of 4.0 mm², supporting current levels required by mid-frame Rexroth motors while maintaining acceptable voltage drop. Lower-gauge auxiliaries and the compact PUR sheath keep the overall diameter small enough for standard carrier links and gland plates.
Frequently Asked Questions about RKL4337:
Q: What is the jacket material used for the RKL4337 power cable?
A: The RKL4337 cable jacket is made of PUR (matt) material, which provides durability for industrial environments.
Q: Can the RKL4337 cable be used in drag chain systems for dynamic motion?
A: Yes, the RKL4337 is designed for use in drag chain applications.
Q: What is the minimum dynamic bending radius required for the RKL4337 cable?
A: The dynamic bending radius for the RKL4337 cable is 7.5 times the cable diameter.
Q: How many bending cycles can the RKL4337 cable withstand in operation?
A: The RKL4337 cable supports up to 5,000,000 bending cycles for extended life in moving applications.
Q: What connectors are included on the RKL4337 cable ends for connection?
A: One end uses a RLS1301/C06 connector and the other uses a RLS1302/C06 connector.
