RKL4548 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4548 is part of the RKL Motor Power Cables series and features a PUR orange jacket with an outer diameter of 30.8 mm. The cable provides 35.0 mm² power conductors for operation at 300/500 V and includes four 1.5 mm² control conductors rated at 300/300 V. It has a maximum fixed wire temperature of 90°C and a minimum bending radius of 154 mm when fixed.
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Product Description:
The RKL4548 belongs to the RKL Motor Power Cables series from Bosch Rexroth Indramat. It is intended for connecting servo drives to motors in automated machinery where simultaneous power and control wiring must be routed through one jacketed assembly. By combining sizeable power cores with smaller control pairs, this cable streamlines installation and maintains signal integrity in harsh industrial environments.
The power circuit relies on a cross-section of 35.0 mm², allowing low voltage drop under dynamic motor currents, while separate control pairs carry feedback through a 1.5 mm² conductor area. Insulation clearances give the power cores a rating of 300/500 V; the signaling conductors are limited to 300/300 V to match typical encoder or brake requirements. Current flow encounters only 0.554 Ω/km at 20 °C, so resistive heating remains modest during long runs. An orange PUR jacket, color coded RAL 2003, adds chemical resistance and allows quick visual tracing of motion-axis wiring on the factory floor.
Total outside diameter is held to 30.8 mm, a value that guides cable-tray sizing and gland selection. During dynamic motion the assembly may flex down to a minimum radius of 231 mm, whereas static anchoring can use 154 mm without harming insulation layers. Continuous service temperatures reach 90 °C in fixed routing and 80 °C when the cable moves with the axis, preserving the PUR jacket against thermal ageing. Four unshielded control conductors sit concentrically around the power cores to keep pair lengths equal and minimize timing skew between feedback signals.
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Frequently Asked Questions about RKL4548:
Q: What is the power conductor cross-section of the RKL4548 cable?
A: The RKL4548 features a power conductor cross-section of 35.0 mm², supporting robust power transmission needs.
Q: What material is used for the jacket of the RKL4548 motor power cable?
A: The jacket on the RKL4548 is made from PUR, which offers enhanced abrasion resistance and durability.
Q: How many control conductors are included in the RKL4548 cable, and what is their cross-section?
A: This cable has four control conductors, each with a cross-section of 1.5 mm².
Q: What are the maximum allowable wire temperatures for the RKL4548 in fixed and flexible installations?
A: The RKL4548 can withstand a maximum wire temperature of 90 °C when fixed and 80 °C when used flexibly.
Q: What is the minimum bending radius required for the RKL4548 cable in both fixed and flexible applications?
A: The minimum bending radius for the RKL4548 is 154 mm when fixed and 231 mm when used flexibly.
