RKL4723 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4723 is a power cable from the RKL Motor Power Cables series with a cable construction consisting of 4x6.0mm², 2x1.0mm² StC, and 2x1.5mm² StC conductors. It features a PUR matte adhesion-free jacket, supports 5,000,000 bending cycles, and offers a dynamic bending radius of 7.5 times the cable diameter.
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Product Description:
Bosch Rexroth Indramat’s RKL4723 is a pre-assembled motor power cable from the RKL Motor Power Cables series. Designed for industrial automation, it transmits three-phase power and auxiliary signals between servo or spindle motors and IndraDrive or third-party inverters. The cable simplifies installation by matching keyed connectors to the drive and motor sockets and helps maintain electromagnetic compatibility on production lines and robotic cells.
Current delivery is handled by copper power conductors with a cross-section of 6.0 mm², while embedded signal pairs use 1.0 mm² wires for temperature or brake feedback. The overall bundle follows the layout 4x6.0mm²+(2x1.0mm²)StC+(2x1.5mm²)StC, so 1.5 mm² auxiliary cores are shielded with the control pair for noise suppression. At 20 °C each kilometer of conductor presents only 3.30 Ohm/km, limiting voltage drop over long runs. Cabinet connection is made through the molded plug coded RLS0723, and the motor end terminates with the RLK1301 bayonet fitting that locks against vibration.
For energy-chain routing the jacket survives 5,000,000 reciprocating strokes and requires a minimum dynamic loop of 7.5 x D; fixed installations may bend to 5 x D without impairing conductor life. The outer sheath is manufactured from PUR (adhesion-free, matte), giving abrasion resistance, low tack, and chemical stability. Bulk material code INK0604 ensures identical insulation and flame behavior across custom lengths, and the specified static and dynamic radii are maintained by tinned copper shields and a robust filler that protect the RKL4723 during continuous motion.
