IKG4138 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat IKG4138 is part of the IKG Motor Power Cables series and features a PUR jacket material, outer diameter of 12.0 mm, and is designed for use in cable drag chains. This cable offers 5,000,000 bending cycles, power wire cross-section of 1.0 mm², and control wires with a cross-section of 2x(2x0.75 mm²). It has a rated voltage of 300 to 500 V for power wires and 300 V for control wires.
Internal Product Review
The IKG4138 from the IKG Motor Power Cables series by Bosch Rexroth Indramat features a durable PUR jacket and is specifically engineered for use in cable drag chains. With a rated voltage of 300/500 V and a bending cycle endurance of 5,000,000, this cable is ideal for dynamic industrial motion applications. Overall, the robust construction and high flexibility make it well-suited for demanding environments.
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Product Description:
The IKG4138 cable is a motor power cable developed by Bosch Rexroth Indramat within the IKG Motor Power Cables series. Intended for use between servo drives and synchronous motors, the product routes three-phase power together with auxiliary control cores so that feedback devices or brakes can share the same flexible harness. In automated machinery the cable simplifies routing inside energy chains and supports continual motion axes by combining electrical supply and signal pairs in a single, industrial-grade sheath.
Mechanical durability is defined by its ability to endure up to 5,000,000 dynamic cycles in a drag chain without conductor breakage. For moving axes the smallest recommended bend during motion is 7.5xD, while overall package size remains compact thanks to a 12.0 mm outer diameter. Power losses across the route are limited by a copper resistance of 19.5 Ohm/km measured at 20 °C. Two twisted control pairs with a combined cross-section of 2x(2x0.75 mm²) run alongside the mains cores and can carry brake release or sensor signals without adding another cable.
The sheath is manufactured from PUR (adhesion-free, matte), a material chosen for wear resistance and oil immunity while gliding in cable tracks. Static installation can use bends down to 5xD without stressing the insulation, and a low mutual capacitance of 0.6 nF/m helps minimise drive-generated leakage currents. The three phase conductors feature a cross-section of 1.0 mm², rated for 300/500 V, whereas the auxiliary pairs are assigned a 300 V limit. The cable is approved for continuous operation in cable drag chains, making it suitable for gantry robots, pick-and-place units, or any axis that requires frequent travel.
