RKL4304 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4304 is a power cable from the RKL Motor Power Cables series. This ready-made basic cable features RLS1101 and RLS1102 connectors and supports up to 5,000,000 bending cycles. It operates within a temperature range of -30 to 80 degrees Celsius and has a dynamic bending radius of 7.5 times the cable diameter.
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Product Description:
The RKL4304 belongs to the RKL Motor Power Cables series produced by Bosch Rexroth Indramat. It is a pre-terminated motor power lead intended to connect drive controllers to synchronous servomotors in automated machinery, eliminating on-site crimping and reducing wiring time on the plant floor. Within an installation, this cable transmits the three-phase output of the inverter to the motor terminals while maintaining the shielding and cross-section required for electromagnetic compatibility.
The mechanical service life is defined by 5,000,000 flex cycles, indicating how many dynamic movements the jacket and conductors can endure before fatigue becomes critical. During continuous motion the conductors must follow a minimum bend radius of 7.5xD; keeping the sweep this wide prevents copper strand work-hardening in energy-chain applications. The cable is supplied as a Ready-Made assembly, meaning both ends leave the factory finished and electrically tested. It is further identified as a Power Cable, so its core layout supports phase and protective-earth conductors sized for the rated current of Rexroth low-voltage drives. Controller-side termination is handled by a keyed RLS1101 circular connector, simplifying error-free mating inside the cabinet. The model designation “Basic” confirms that this variant omits additional brake or sensor pairs found in hybrid styles, keeping the outer diameter smaller.
For fixed routing, a static radius of 5xD applies, allowing tighter bends once the harness is clamped. Motor-end connection uses the keyed RLS1102 plug that aligns with Indramat motor housings without adapter plates. Continuous service temperatures span from -30 °C up to 80 °C, so the insulation compound remains flexible in unheated facilities and resists softening near warm servo enclosures. The same limits apply during storage, permitting spare lengths to be kept in parts rooms without climate control. Together these characteristics ensure reliable power delivery when the cable is installed in gantry axes, transfer lines, or other motion platforms that combine dynamic travel with compact routing space.
Frequently Asked Questions about RKL4304:
Q: How many bending cycles is the RKL4304 powercable rated for?
A: The RKL4304 can withstand up to 5,000,000 bending cycles, making it suitable for repeated motion operations.
Q: What is the operating temperature range for the RKL4304 cable?
A: The RKL4304 operates in temperatures ranging from -30 °C to 80 °C.
Q: What connectors are used on each end of the RKL4304 power cable?
A: The RKL4304 features RLS1101 as Connector 1 and RLS1102 as Connector 2.
Q: What is the minimum bending radius recommended for the RKL4304 cable during static and dynamic use?
A: The RKL4304 has a static bending radius of 5xD and a dynamic bending radius of 7.5xD.
Q: What type of cable is the Bosch Rexroth RKL4304 within the RKL series?
A: The RKL4304 is a ready-made power cable from the RKL Motor Power Cables series.
