RKL4545 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4545 is part of the RKL Motor Power Cables series and has an overall diameter of 29.8 mm. This cable features four power wires with a cross-section of 25.0 mm² and a PUR jacket suitable for drag chain use. It also includes four control wires of 1.5 mm² and supports a maximum wire temperature of 90 °C when fixed.
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Product Description:
The RKL4545 is a motor power cable produced by Bosch Rexroth Indramat for the RKL Motor Power Cables series. It serves as the main electrical link between an Indramat drive and its motor in automated equipment, carrying both three-phase power and low-level control lines so that motion axes remain energized and properly signaled during continuous machine cycles.
This cable measures 29.8 mm in overall diameter, a size that defines the space needed in cable guides and through-panel fittings. Four power cores with a cross-section of 25.0 mm² handle the operating current, and their copper conductors exhibit a resistance of only 0.78 Ω/km, limiting voltage drop over long runs. When installed immobile, the jacket may be bent to a radius of 5 × D, allowing tight cabinet routing without exceeding mechanical stress limits. The outer sheath is PUR, giving abrasion and oil resistance for factory environments. A maximum conductor temperature of 90 °C applies in fixed routing, and four equally sized power wires are complemented by separate control pairs to permit temperature and brake feedback signals.
The signal group contains four conductors, each with a cross-section of 1.5 mm², so encoder or temperature sensor currents remain within safe limits. For continuously flexing paths, the cable supports motion down to a bend radius of 7.5 × D, and its dynamic rating includes operation inside drag chains. Under flexible conditions the conductor temperature must stay below 80 °C to avoid insulation aging. The control circuit count of 4 enables separate channels for motor thermistor, brake release, or additional monitoring contacts without crosstalk with the power cores.
Frequently Asked Questions about RKL4545:
Q: Is the Bosch Rexroth Indramat RKL4545 cable suitable for use in drag chains?
A: The RKL4545 can be used in drag chain applications, ensuring it is suitable for dynamic and flexible movement scenarios.
Q: How many power wires are included in the RKL4545 and what is their cross-section?
A: This cable has four power wires, each with a cross-section of 25.0 mm² to handle high current loads.
Q: What is the minimum bend radius for the RKL4545 cable when flexed?
A: The minimum bend radius for flexible installation of the RKL4545 is 7.5 times the cable diameter.
Q: What material is used for the jacket of the Bosch Rexroth Indramat RKL4545 cable?
A: The outer jacket of the RKL4545 is made from PUR, offering enhanced durability and resistance to abrasion.
Q: What is the maximum wire temperature for the RKL4545 in both fixed and flexible settings?
A: The maximum allowable wire temperature is 90 °C for fixed installations and 80 °C for flexible use.
