RKL4320 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4320 is part of the RKL Motor Power Cables series and features a PUR cable jacket material with an outer diameter of 12.2 mm. This cable supports 5,000,000 bending cycles and has four control conductors of 0.75 mm² each. It operates at a control voltage of 300/300 V and a power voltage of 300/500 V.
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Product Description:
The RKL4320 motor power cable is manufactured by Bosch Rexroth Indramat and belongs to the RKL Motor Power Cables series. It transmits three-phase drive power together with auxiliary conductors between an inverter and a moving servo or spindle, making it a common element inside gantry robots, pick-and-place modules, and tool changers where continuous flexing is unavoidable. Its construction meets requirements for routing inside drag chains and cable tracks used in highly dynamic production cells.
Mechanical endurance is defined by 5,000,000 bending cycles, allowing the cable to flex repeatedly without conductor fatigue. During motion it needs a minimum curve of 7.5 x D; when routed permanently, the static limit decreases to 5 x D. A PUR cable jacket resists cutting oils and abrasion, while the cable is Halogen-free, reducing toxic emissions if exposed to flame. The round profile measures 12.2 mm in outer diameter, so glands and drag-chain separators can be selected precisely. These mechanical figures help designers match cable carriers to axis stroke and speed.
Electrical parameters are tuned for predictable drive behaviour. Line-to-line capacitance is 0.8 nF/m, balancing common-mode currents at inverter switching frequencies. The 1.5 mm² power cores exhibit 13.3 Ohm/km of conductor resistance, a figure used when calculating voltage drop over long runs. Four dedicated auxiliary cores sized at 4 x 0.75 mm² carry brake, temperature, or encoder power separate from the mains trio. Power insulation withstands 300/500 V, while the control cores are rated for 300/300 V. Together these values support synchronous motor systems that draw moderate current yet need stable waveform quality and low electromagnetic interference.
Frequently Asked Questions about RKL4320:
Q: What type of cable jacket material is used on the RKL4320 motor power cable?
A: The RKL4320 features a PUR jacket for enhanced resistance to mechanical stress and various chemicals.
Q: How many bending cycles is the RKL4320 power cable rated for?
A: This cable supports up to 5,000,000 bending cycles for high-durability applications involving continuous motion.
Q: Is the Bosch Rexroth RKL4320 motor power cable halogen-free?
A: The RKL4320 is engineered to be halogen-free, minimizing toxic emissions in case of fire.
Q: What is the configuration of control conductors within the RKL4320 cable?
A: The control conductors in this cable are specified as 4 x 0.75 mm² for efficient signal transmission.
Q: What is the outer diameter of the RKL4320 motor power cable?
A: The RKL4320 has an outer diameter of 12.2 mm, accommodating use in compact electrical installations.
