RKL4774 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4774 is part of the RKL Motor Power Cables series and features a cable construction of 4x16.0mm² plus 2x(2x1.5mm²)StC. It has a PUR jacket material, supports a power operating voltage of 600 V AC, and offers 5,000,000 bending cycles for flexibility and durability. The cable has an outer diameter of 25.5 mm with a dynamic bending radius of 7.5 times the diameter.
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Product Description:
The RKL4774 motor power cable is produced by Bosch Rexroth Indramat within the RKL Motor Power Cables series. Designed for industrial automation, it carries three-phase power and auxiliary control signals between drive controllers and servomotors, allowing precise motion axes to operate with minimal electrical loss and reliable mechanical flexing in drag-chain environments.
A key durability figure is the cable’s rated 5,000,000 flex cycles, indicating how many times it can traverse an energy chain before conductor fatigue becomes critical. Dynamic movement is further supported by a minimum bend radius of 7.5 x D, so routing can remain tight without overstressing the cores. Each of the four power conductors has a cross-section of 16.0 mm², while paired twisted control cores measure 1.5 mm²; this geometry keeps motor current separate from sensor circuits and limits induced noise. The insulation system is specified for up to 600 V AC on the power cores, covering typical inverter output levels used with synchronous and induction motors.
The internal profile follows the 4x16.0mm² + 2x(2x1.5mm²)StC layout, giving balanced symmetry that reduces electromagnetic coupling. A robust outer sheath of PUR (adhesion-free, matt) resists cutting oils and weld spatter, and it keeps the overall diameter to 25.5 mm for compact cable trays. Temperature limits reach 90°C when the cable is fixed and drop to 80°C during continuous motion, ensuring conductor resistance stays within design margins. For stationary runs the bend radius can relax to 5 x D, allowing easier entry into motor junction boxes without violating strain-relief guidelines.
Wake Industrial stocks the RKL4774 and same-day shipping is available for orders placed before the daily cutoff. Price quotations remain firm for 30 days, giving maintenance teams time to align purchasing schedules. For general questions about type codes or fault indications, customers can use the free chat tool on the Wake Industrial website.
Frequently Asked Questions about RKL4774:
Q: How many bending cycles can the Bosch Rexroth Indramat RKL4774 cable endure?
A: The RKL4774 cable can withstand up to 5,000,000 bending cycles for use in highly dynamic environments.
Q: What is the cable construction of the Bosch Rexroth Indramat RKL4774?
A: The RKL4774 features a cable construction of 4x16.0mm² plus 2x(2x1.5mm²)StC, accommodating both power and control conductors.
Q: What type of jacket material is used on the Bosch Rexroth Indramat RKL4774 cable?
A: This model uses a PUR jacket that is adhesion-free and matt, providing a protected outer layer for the cable.
Q: What is the maximum power operating voltage of the RKL4774 cable?
A: The maximum operating voltage for the power conductors is 600 V AC.
Q: What is the dynamic bending radius specification for the RKL4774 cable?
A: The dynamic bending radius required for this cable is 7.5 times the outer diameter.
