IKG4081 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat IKG4081 is part of the IKG Motor Power Cables series and features a cable construction of 4x4.0mm² plus additional conductors, with a PUR jacket material and total shielding for durability. This cable has a controller-side connector INS0482/C04, a motor-side connector INS0481/C04, and operates at voltages of 300/300 V for control and 300/500 V for power.
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Product Description:
The IKG4081 is a motor power cable from Bosch Rexroth Indramat’s IKG Motor Power Cables series. It links an IndraDrive or similar controller to a synchronous or asynchronous motor, carrying three-phase power along with control cores for brakes or temperature sensors. By combining power and auxiliary conductors in a single jacket, the cable simplifies field wiring and maintains EMC compliance within industrial automation cells.
The cable core follows a 4x4.0mm²+(2x1.0)StC+(2x1.5)StC layout, meaning four power conductors are paired with two shielded 1.0 mm² signal cores and two shielded 1.5 mm² brake cores. Each power conductor has a cross-section of 4.0 mm², sized for typical servo outputs up to roughly 20 A while limiting voltage drop. For the power pair, the insulation supports up to 300/500 V, matching most low-voltage drive systems. Line-to-ground capacitance is 0.8 nF/m; this low value keeps drive-generated common-mode currents within filter limits. DC resistance of the copper bundle is 4.95 Ohm/km at 20 °C, a figure used to calculate I²R losses and verify thermal loading in continuous-duty axes.
The cable uses a Total Shield foil-plus-braid layer that encloses every conductor group, reducing radiated noise and protecting encoder feedback lines in adjacent bundles. A rugged PUR outer jacket resists oil and coolant while allowing the static bend radius to stay at 5 x D; under dynamic motion, the bend requirement increases to 7.5 x D to avoid conductor fatigue. An INS0482/C04 plug is fitted on the controller end and an INS0481/C04 plug on the motor end, providing keyed, bayonet locking for quick changeover. The 300/300 V auxiliary cores handle control voltage for brake release or thermal sensors, and the overall construction maintains flexibility for cable chains without compromising electrical integrity.
Frequently Asked Questions about IKG4081:
Q: What is the power wire cross-section of the IKG4081 cable from Bosch Rexroth Indramat?
A: The IKG4081 features a power wire cross-section of 4.0 mm², suitable for transmitting significant electrical loads.
Q: Does the IKG4081 cable have shielding for signal protection?
A: This cable uses a total shield design, providing enhanced protection against electrical interference.
Q: What material is used for the outer jacket of the IKG4081 cable?
A: The jacket is made from PUR, which offers good durability and chemical resistance.
Q: What operating voltages are supported by the IKG4081 motor power cable?
A: The IKG4081 supports an operating voltage of 300/500 V on the power lines and 300/300 V on the control lines.
Q: What controller-side connector is used on the IKG4081 cable?
A: The controller-side connector on the IKG4081 is the INS0482/C04 type.
