RKL4785 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4785 belongs to the RKL Motor Power Cables series and features a bulk cable type INK0607. It supports 5,000,000 bending cycles, uses PUR matte jacket material in RAL 2003 color, and has control conductors of 4 x 1.5 mm². The cable provides a conductor resistance of 0.78 ohm/km and uses RLS0727 (K25) and RLS1301 (C25) connectors.
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Product Description:
The RKL4785 is a dedicated motor power cable produced by Bosch Rexroth Indramat within the RKL Motor Power Cables series. It is intended to carry drive output currents and auxiliary signals between IndraDrive controllers and Rexroth synchronous motors in automated production cells. The cable is designed for continuous flexing in energy-chains and robot axes, so it keeps power transmission stable while mechanical stress is ongoing. Integrating pre-assembled connectors helps installers shorten downtime when replacing or routing cables in control cabinets and moving machine parts.
Mechanical endurance is defined by a bending life of 5,000,000 double strokes, allowing the cable to operate for extended duty cycles in high-speed carriers. During dynamic motion it must follow a minimum radius of 7.5xD; when the machine is at rest the radius may be relaxed to 5xD. The copper conductors are laid up according to bulk cable design code INK0607, a geometry that balances flexibility with cross-section stability. Direct current losses are limited by a conductor resistance of 0.78 ohm/km, supporting low voltage drop over long runs. For EMC compliance, the insulation system presents a distributed capacitance of 1.1 nF/m, reducing common-mode noise between converter outputs and motor terminals.
The multicore assembly contains 4 x 1.5 mm² shielded control pairs for brake and temperature signals alongside the main power cores. At the drive end it is terminated with a keyed RLS0727 (K25) plug, while the motor side uses an RLS1301 (C25) angled connector that mates directly with Indramat motor housings. The outer sheath is colored RAL 2003 and formed from a PUR compound that is adhesion-free and matt to resist oils and welding spatter. This combination simplifies routing through drag chains and allows quick replacement without sticking to adjacent cables.
Frequently Asked Questions about RKL4785:
Q: What material is used for the outer jacket of the RKL4785 cable?
A: The RKL4785 power cable features a PUR jacket that is adhesion-free and has a matt finish.
Q: How many dynamic bending cycles can the RKL4785 cable withstand?
A: This cable supports up to 5,000,000 dynamic bending cycles for high-flex industrial environments.
Q: What is the conductor resistance of the Bosch Rexroth Indramat RKL4785 cable?
A: The conductor resistance of the RKL4785 is 0.78 ohm per kilometer.
Q: How many and what size are the control conductors in the RKL4785 cable?
A: The RKL4785 cable uses four control conductors, each sized at 1.5 mm².
Q: Which connectors are provided on the RKL4785 cable for controller and motor ends?
A: This cable uses an RLS0727 (K25) controller connector and an RLS1301 (C25) motor connector.
