RKL4520 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4520 is part of the RKL Motor Power Cables series and is designed for use at ambient temperatures from -30 to 40°C for fixed installations and -20 to 40°C for flexible setups. This cable has a conductor resistance of 1.21 ohms per kilometer at 20°C, features a PUR jacket in RAL 2003 orange, and supports up to 5,000,000 bending cycles. Its outer diameter measures 25.5 mm.
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Product Description:
The RKL4520 is a motor power cable from the RKL Motor Power Cables series engineered by Bosch Rexroth Indramat to link servo drives to IndraDyn or MSK motors in dynamic factory lines. It carries three power conductors plus two control pairs in a single PUR sheath, giving machine builders a ready-made assembly for quick cabinet-to-axis wiring.
For fixed routing the cable tolerates ambient temperatures from -30 to 40 °C, while its copper conductors display a resistance of only 1.21 Ω/km at 20 °C, limiting voltage drop over long runs. The power cores use a generous cross-section of 16.0 mm² so inrush currents from regenerative braking do not overheat the bundle, and two 1.5 mm² signal leads carry encoder brake commands. Termination at the drive side is simplified by the keyed RLS0723/K16 connector that mates directly with Rexroth controller ports; it eliminates field crimping and reduces commissioning time.
Mechanically the RKL4520 survives 5,000,000 bending cycles in energy-chain applications provided the dynamic radius remains at 7.5xD; stationary dress-pack loops may tighten to the static 5xD limit without fatiguing the cores. A matt, adhesion-free sheath of PUR coloured RAL 2003 protects against oils and weld spatter, and the overall diameter of 25.5 mm fits standard clamp fittings. The cable stays flexible down to –20 °C during motion, matching the needs of gantries that move through refrigerated zones, and its control pair cross-section maintains low signal impedance for brake release circuits.
Wake Industrial offers a 1-year warranty on each RKL4520, can arrange same-day shipping for urgent orders, and keeps quotations valid for 30 days so maintenance teams can schedule purchases with confidence.
Frequently Asked Questions about RKL4520:
Q: What is the static bending radius for the RKL4520 motor power cable?
A: The static bending radius for the RKL4520 is 5 times the cable diameter.
Q: What ambient temperature range does the RKL4520 support for fixed installation?
A: The RKL4520 can be used at temperatures from -30 to 40°C for fixed installations.
Q: What is the conductor resistance of the RKL4520 at 20°C per kilometer?
A: This cable has a conductor resistance of 1.21 Ω per kilometer at 20°C.
Q: What is the material and color of the outer jacket on the RKL4520 power cable?
A: The RKL4520 features a jacket colored RAL 2003 orange made of PUR, which is adhesion-free and matt.
Q: What is the power wire cross-section size in the RKL4520 cable?
A: The RKL4520 is equipped with power wires that each have a cross-section of 16.0 mm².
