RKL4778 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4778 is part of the RKL Motor Power Cables series and uses bulk cable type INK0667 with a power wire cross-section of 35.0 mm². This cable supports up to 5,000,000 bending cycles and can operate within a temperature range of -30 to 80 degrees Celsius. It features a dynamic bending radius of 7.5 times the diameter and is equipped with controller and motor connectors RLS0727 and INS0381.
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Product Description:
The RKL4778 motor power cable is manufactured by Bosch Rexroth Indramat and belongs to the RKL Motor Power Cables series. Designed as the link between IndraDrive controllers and machine-mounted motors, it conveys three-phase power and auxiliary signals while resisting mechanical stress. The cable supports drag-chain routing, so it fits automated cells where axes perform repetitive strokes under temperature changes common to industrial environments. Its molded connectors eliminate field termination errors and speed up commissioning on assembly lines.
To deliver current with minimal voltage drop, the RKL4778 uses phase conductors with a cross-section of 35.0 mm², enabling long-run installation on high-power axes. Separate control cores of 1.5 mm² accommodate temperature sensors or brakes without requiring an additional harness. When routed in fixed trays the cable can be bent down to a 5xD radius, whereas moving applications must respect a dynamic curvature of 7.5xD; these radii prevent conductor fatigue and preserve shield integrity during continuous cycling.
The cable is rated for 5,000,000 flexing cycles, matching the lifetime expectations of linear pick-and-place modules and palletizers. Its conductor insulation remains stable up to 80 °C, while the PVC jacket maintains pliability down to -30 °C, allowing the assembly to function in refrigerated packaging zones or hot press areas without derating. RKL4778 is fabricated from the INK0667 bulk cable and terminated with an INS0381 motor plug and an RLS0727 controller plug, providing a ready-to-use interface that eliminates crimping and torque-wrench steps.
Wake Industrial can arrange same-day shipping for qualifying orders that require immediate replacement. Each RKL4778 cable is supplied with a 1-year warranty covering materials and workmanship. Users with questions about connector codes or bending ratings may use the free chat tool for general guidance.
Frequently Asked Questions about RKL4778:
Q: How many bending cycles is the RKL4778 motor power cable rated for?
A: The RKL4778 is rated for 5,000,000 bending cycles, making it suitable for dynamic applications.
Q: What type of bulk cable is used in the Bosch Rexroth RKL4778 power cable?
A: This cable uses an INK0667 bulk cable type as its primary construction material.
Q: What is the highest operating temperature the RKL4778 cable can withstand?
A: The maximum operating temperature for the RKL4778 is 80 °C, ensuring durability in high-heat environments.
Q: What is the power wire cross-section of the RKL4778 power cable?
A: The RKL4778 cable incorporates a power wire with a 35.0 mm² cross-section for efficient power transfer.
Q: Which motor connector is provided on the RKL4778 power cable?
A: This model is equipped with an INS0381 motor connector for quick and secure connection to motors.
