RKL4756 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4756 is part of the RKL Motor Power Cables series and features a power wire cross section of 6.0 mm², with an outer diameter of 18.5 mm. This cable has a PUR jacket in RAL 2003 orange color and supports maximum wire temperatures of 90°C when fixed and 80°C when flexible. It includes an RLS1202/C06 drive-side connector and RLK1201 motor-side termination.
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Product Description:
The RKL4756 is a motor power cable supplied by Bosch Rexroth Indramat within the RKL Motor Power Cables series. The assembly links servo drives to synchronous motors in automated machinery, carrying three-phase power and auxiliary signals while tolerating continuous motion on cable chains. Its robust polyurethane jacket and prefabricated terminations reduce installation time and ensure electrical integrity in production lines, packaging systems, and material-handling axes, even under high dynamic loads.
The cable delivers three power conductors each with a cross-section of 6.0 mm², enabling low voltage drop over long runs. A conductor resistance of 3.30 Ω/km quantifies the ohmic losses that must be considered when sizing drive output filters. Mechanical routing is simplified by an overall diameter of 18.5 mm, which fits common energy-chain brackets without excessive bending stress. For static cabinet wiring, the permissible core temperature reaches +90 °C, allowing higher current loading before thermal derating occurs. On the drive end, a molded RLS1202/C06 connector mates directly with Rexroth inverter terminals, avoiding field crimping and preserving EMC shielding. Its halogen-free PUR jacket resists cutting oils, abrasions, and UV exposure found in factory settings.
The remaining conductors address control and brake functions. An auxiliary pair sized at 1.5 mm² carries sensor supply power, while the separate control cores of 1.0 mm² transmit encoder or temperature signals with minimal voltage drop. Signal integrity is supported by a line-to-line discharge capacity of 0.8 nF/m, limiting capacitive loading on high-speed feedback channels. During repetitive flex cycles the cable temperature is limited to +80 °C, matching dynamic chain ratings and preserving insulation life. Motor-side termination is supplied as type RLK1201, and the orange RAL 2003 jacket aids rapid identification.
Frequently Asked Questions about RKL4756:
Q: What is the power wire cross section of the RKL4756 motor power cable?
A: The power wire in the RKL4756 cable features a cross section of 6.0 mm² for effective power transmission.
Q: What jacket material is used for the RKL4756 cable from Bosch Rexroth Indramat?
A: This cable uses a PUR jacket, which provides resilience against abrasion and various chemicals.
Q: What type of drive-side connector is included with the RKL4756 power cable?
A: The drive-side connector of the RKL4756 is an RLS1202/C06 type.
Q: What is the maximum wire temperature for the RKL4756 cable when mounted in a fixed installation?
A: The maximum allowable wire temperature is +90°C when installed in a fixed position.
Q: What is the outer diameter of the RKL4756 motor power cable?
A: The outer diameter of the RKL4756 cable is 18.5 mm, making it suitable for specific conduit or routing requirements.
