RKL4439 Bosch Rexroth Indramat
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The RKL4439 is a motor power cable from the RKL Motor Power Cables series by Bosch Rexroth Indramat. It features a 29.8 mm overall diameter, PUR jacket in RAL 2003 orange, and has 3 power conductors plus PE, each with a cross-section of 25.0 mm². The cable includes 4 control conductors with 1.5 mm² cross-section and supports operating voltages of 300 V for control and 300/500 V for power.
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Product Description:
The RKL4439 is a motor power cable produced by Bosch Rexroth Indramat for the RKL Motor Power Cables series. It carries drive output from cabinet inverters to servo motors while returning control signals through dedicated cores, making it a key passive link inside automated motion systems.
The cable’s power cores handle up to 300/500 V, enabling standard three-phase supplies to reach the machine without extra step-down hardware. Each phase conductor features a cross-section of 25.0 mm², providing ample copper area for current flow and limited voltage drop across long runs. Typical line-to-line capacitance is only 1.1 nF/m; the low value minimizes reactive current that would otherwise burden the drive. Four auxiliary cores, each at 1.5 mm², are included for temperature sensors or brakes, so additional feedback harnesses are unnecessary.
An overall diameter of 29.8 mm keeps bending radius moderate for cable chains yet preserves the mechanical strength required on moving axes. The sheath is molded from PUR, a material resistant to oils and weld splatter so that factory contaminants do not degrade insulation integrity. Conductor resistance is specified at 0.78 Ω/km, limiting I²R losses and helping drives maintain torque at the motor shaft. Termination at the motor side is through a Terminal Box (Size 3), simplifying strain relief and ensuring the protective earth in the 3 + PE bundle bonds directly to the frame.
Same-day shipping is available when a quick replacement is required. Quotations remain firm for 30 days to support planned maintenance budgets. In addition, Wake Industrial stocks the RKL4439 for immediate dispatch.
Frequently Asked Questions about RKL4439:
Q: What is the overall diameter of the RKL4439 motor power cable?
A: The RKL4439 features an overall diameter of 29.8 mm for the cable jacket.
Q: What is the power wire cross-section for the RKL4439 cable from Bosch Rexroth Indramat?
A: The power wires in the RKL4439 cable have a cross-section of 25.0 mm² each.
Q: What material is used for the jacket of the RKL4439 power cable?
A: The jacket of the RKL4439 cable is made from PUR, offering durability in various environments.
Q: How many control conductors are present in the RKL4439 cable?
A: The RKL4439 cable supports four control conductors within its construction.
Q: What is the jacket color of the RKL4439 power cable from Bosch Rexroth Indramat?
A: The RKL4439 cable is colored RAL 2003 (Orange) for easy identification.
