IKG4137 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat IKG4137 is part of the IKG Motor Power Cables series and features a nominal outer diameter of 14.8 mm with a PUR jacket colored RAL 2003 orange. The cable supports use in drag chains for up to 5 million bending cycles and has a power wire cross-section of 2.5 mm². It is rated for 600 V AC in power applications and has a maximum wire temperature of 90°C when fixed.
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Product Description:
The IKG4137 motor power cable is produced by Bosch Rexroth Indramat as part of the IKG Motor Power Cables series. It routes three-phase drive power and auxiliary control lines from cabinet-mounted inverters to moving servomotors, supporting constant flexing in gantry axes, pick-and-place modules, and other high-cycle automation equipment. Its design supports installations that place the cable inside energy-guiding chains, where repetitive motion, confined space, and electrical noise immunity must all be managed simultaneously. The combined power and control arrangement also reduces the number of separate cable runs needed between the control cabinet and the motor.
This cable is rated for 5 million flex cycles, indicating how many strokes it can withstand before conductor fatigue becomes critical. A nominal outside diameter of 14.8 mm keeps the bundle compact, while the copper power cores provide a cross-sectional area of 2.5 mm², balancing current capacity with bend-radius requirements. The main motor circuits can operate at up to 600 V AC. Loop resistance at 20 °C is 7.98 Ω/km, helping limit voltage drop over long machine segments. The PUR outer jacket resists oil and abrasion, helping prevent the sheath from cracking during continuous travel through a cable carrier.
The cable has a displacement capacitance of 0.7 nF/m, minimizing charging currents when the drive switches at high pulse-width modulation frequencies. The sheath is colored RAL 2003 (orange), allowing quick identification of motor power routing inside crowded cabinets. The permitted continuous service temperature reaches 90 °C in fixed installations. During flexing, the cable can operate at temperatures up to 80 °C, maintaining insulation integrity near warm servomotor housings. A separate control pair inside the bundle carries encoder supply or brake-release lines at a rated level of 300 V, keeping auxiliary circuits segregated and protected within the same cable assembly. This internal separation helps preserve control-signal performance while the adjacent conductors deliver motor power under repetitive motion.
