RLB2-042GDB Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RLB2-042GDB is part of the RLB Motor Power Cables series. It features four power conductors of 6.0 mm² each and auxiliary conductors of 1.0 mm² and 1.5 mm², with a basic cable design. The cable has a PUR outer jacket, supports ctrlX DRIVE controllers, and is compatible with MS2(X) motor series.
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Product Description:
The RLB2-042GDB is a motor power cable produced by Bosch Rexroth Indramat for the RLB Motor Power Cables series. Designed for industrial automation cells, the assembly delivers three-phase energy and brake signals from a ctrlX DRIVE inverter to MS2(X) servo motors while tolerating continuous motion inside cable carriers. By combining power and auxiliary cores in one sheath, the cable simplifies machine wiring and preserves electromagnetic compatibility across dynamic axes.
As part of the Rexroth Cables product group, the RLB2-042GDB uses a Basic design that keeps bend radius low without compromising current carrying capacity. Four power cores rated at 4 × 6.0 mm² handle the motor phase load, while the separate auxiliary bundle of 2 × 1.0 mm² + 2 × 1.5 mm² accommodates temperature sensors and holding-brake supply. All conductors are stranded and arranged in the 4x L + 4x 1.0 mm² + 2x 1.5 mm² layout to minimize torsion stress. A nominal outer diameter of 18.2 mm makes the cable compatible with standard Rexroth glands and drag-chain separators, and the abrasion-resistant PUR (Orange RAL 2003) jacket provides oil, coolant, and UV resistance required on machining centers.
Electrical behavior is optimized for high-frequency drive pulses; leakage capacitance is limited to 0.5 nF/m to reduce reactive current in long runs. When permanently clamped, copper temperature may reach 90 °C, whereas in flexing applications the limit is set to 80 °C, ensuring insulation longevity under repetitive motion. The cable withstands carrier speeds up to 300 m/min, matching the acceleration profiles of modern pick-and-place gantries. These thermal, electrical, and mechanical figures align with the ctrlX DRIVE system specification and guarantee full compatibility with MS2(X) servo motors over the declared travel distance.
Frequently Asked Questions about RLB2-042GDB:
Q: How many and what size are the power conductors in the RLB2-042GDB cable?
A: The RLB2-042GDB features 4 power conductors, each with a cross-section of 6.0 mm².
Q: What is the maximum travel speed supported by the RLB2-042GDB motor power cable?
A: This cable supports a maximum travel speed of 300 meters per minute.
Q: What kind of jacket material and color does the RLB2-042GDB cable use?
A: The jacket of the RLB2-042GDB is made from PUR and colored orange (RAL 2003).
Q: Which controllers and motor series are supported by the RLB2-042GDB cable?
A: The RLB2-042GDB is compatible with ctrlX DRIVE controllers and MS2(X) motor series.
Q: What are the maximum conductor temperatures for the RLB2-042GDB cable under flexible and fixed installation?
A: When used flexibly, the RLB2-042GDB cable can handle conductor temperatures up to 80 °C and up to 90 °C when installed in a fixed manner.
