RKL4556 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4556 is part of the RKL Motor Power Cables series and features 4 power conductors with a 2.5 mm² cross-section as well as 2 control pairs. This halogen-free cable is suitable for drag chain use and has a PUR jacket in RAL 2003 orange, with an overall diameter of 14.8 mm.
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Product Description:
The RKL4556 cable is part of the RKL Motor Power Cables series from Bosch Rexroth Indramat. It is intended for routing three-phase motor current and feedback auxiliaries between Rexroth servo drives and motors used in automated handling equipment, gantries, and conveyor modules. By combining power conductors and control pairs in a single, flex-rated assembly, the product reduces cabinet wiring and simplifies field replacement while maintaining electromagnetic compatibility required for closed-loop motion applications.
The cable carries motor current on four copper conductors, so there are 4 dedicated power cores each with a cross-section of 2.5 mm², matching the continuous current drawn by small to mid-frame synchronous motors. Two shielded signal pairs are integrated; the presence of 2 control pairs allows temperature sensor and brake circuits to share the same run without external conduits. Electrical losses are minimised through a conductor resistance of 7.98 Ω/km, and common-mode interference is limited by a line-to-line capacitance of 0.7 nF/m. These values support long cable lengths while keeping drive regulators within their voltage drop and noise budgets.
The mechanical envelope is compact, with an overall diameter of 14.8 mm that fits standard cable glands on Rexroth motor connectors. For static routing the minimum bend radius is 5xD, whereas dynamic installations in an energy chain must observe 7.5xD to avoid conductor fatigue. The PUR jacket is adhesion-free and matte, and the specified RAL 2003 (orange) colour aids visual identification in machine wiring runs. The sheath formulation is halogen-free, and combined with the cable’s suitability for drag-chain motion, it limits smoke toxicity and maintains flexibility under millions of cycles in high-duty automation environments.
Frequently Asked Questions about RKL4556:
Q: How many control pairs are present in the RKL4556 motor power cable?
A: The RKL4556 cable features two control pairs for signal transmission.
Q: What is the cross-sectional area of the power wires in the RKL4556 cable?
A: The power conductor cross-section of this cable is 2.5 mm², supporting standard motor connections.
Q: Is the RKL4556 power cable designed for drag chain installations?
A: Yes, the RKL4556 is suitable for use in drag chain applications.
Q: Is the RKL4556 halogen-free for safer operations in sensitive environments?
A: This cable is halogen-free, which enhances safety in case of fire.
Q: What type and color of jacket does the RKL4556 cable use for protection and identification?
A: The jacket of the RKL4556 is made from matte, adhesion-free PUR in RAL 2003 orange.
