RKL4300 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4300 is part of the RKL Motor Power Cables series and features a PUR matte orange jacket with a cable diameter of 12.2 mm. It is rated for an operating voltage of 600 V AC, supports 5 million bending cycles, and includes four power conductors with a cross-section of 1.5 mm².
Internal Product Review
The RKL4300 from Bosch Rexroth Indramat is a dedicated motor power cable featuring a PUR matte jacket in RAL 2003 orange and is rated for 600 V AC. Its design ensures flexibility with a dynamic bending radius of 7.5×D and an impressive 5 million bending cycles. This cable is an excellent choice for demanding motion applications requiring durable and reliable power transmission.
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Product Description:
Bosch Rexroth Indramat supplies the RKL4300 as part of its RKL Motor Power Cables series. This flexible multi-core power cable links an IndraDrive controller to a synchronous motor and transmits three-phase energy together with control signals needed in automated handling, packaging, and machining lines. The design supports reliable power delivery while withstanding continuous motion in cable tracks and articulated robotic systems.
The RKL4300 is assembled from INK0650 bulk cable whose outer diameter measures 12.2 mm, and the size supports compact routing through drag chains without excessive fill. During operation, the cable may bend dynamically down to a radius of 7.5×D, so it can move through tight loops without straining the copper conductors. It carries up to 600 V AC between its four energized cores, and each core has a cross-section of 1.5 mm². Separate shielded pairs provide temperature sensor or brake control lines, which helps prevent interference with the power phase set. A matte, adhesion-free PUR jacket protects the bundle from oils, coolants, and abrasion. Its RAL 2003 orange finish also makes the cable easy to identify in crowded panels.
Mechanical endurance reaches 5 million bending cycles, allowing long service life in high-duty motion axes. When the installation is fixed, the minimum bend radius relaxes to 5×D, permitting tighter cabinet wiring without added fatigue risk. The controller end terminates in a keyed RLS0722/K02 plug, while the motor end mates with a sealing RLS1101/C01 receptacle that supports the motor strain-relief clamp. The molded connector ends help keep the electrical interfaces secure during repeated motion. The PUR sheath has a smooth surface that resists dirt buildup and supports clean routing through moving cable systems. This jacket material also helps the cable slide more easily in drag-chain applications where surface sticking can increase wear.
