RHB2-011BBB Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RHB2-011BBB is a Rexroth Cable from the RHB2 Encoder Cables series featuring a hybrid cable design with 4x L, 2x 0.5 mm², and 4x AWG 24 conductors. It has a current carrying capacity of 10.4 A, supports up to 5,000,000 bending cycles, and is compatible with MS2x motors and ctrlX DRIVE systems.
Internal Product Review
The RHB2-011BBB is a Bosch Rexroth Indramat hybrid encoder cable designed for use with MS2x motors and ctrlX DRIVE systems. Featuring a dynamic bend radius of 7.5xD and rated for 5,000,000 bending cycles, this cable supports high-flex applications in demanding automation environments. Robust construction and reliable compatibility make it an excellent choice for precise motion control.
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Product Description:
The RHB2-011BBB is a Rexroth cable produced by Bosch Rexroth Indramat for the RHB2 Encoder Cables series. Classified as a hybrid cable, it bundles power and feedback lines in a single sheath to simplify servo wiring. The assembly is intended for MS2x motors and their associated ctrlX DRIVE inverters, carrying phase current, auxiliary power, and encoder signals between the devices. In automated cells, this arrangement reduces the number of cabinet penetrations while preserving deterministic feedback communication.
Power transmission is handled by four line conductors with a collective cross-sectional area of 0.75 mm², allowing a continuous effective current of 10.4 A to reach the motor phases without overheating. Each copper core has a wire size of 18 AWG, balancing current capacity with the flexibility needed in drag-chain applications. The cable has a mechanical service life of 5,000,000 bending cycles. It can follow moving axes as long as the dynamic routing radius remains at or above 7.5 × D, where D represents the cable’s outer diameter. The hybrid layout combines control and power elements within the jacket, reducing the number of cable runs in multi-axis systems while maintaining electrical separation between the circuits.
The internal conductor layout is 4×L + 2×0.5 mm² + 4×AWG 24 – DS. Two auxiliary conductors with a combined arrangement of 2 × 0.5 mm² carry brake or sensor power, while 4 × AWG 24 signal conductors carry encoder data. The Basic construction has no additional armor or liquid-tight layers, which helps keep cable inertia low for moving pick-and-place carriages. A minimum stationary routing radius of 5 × D applies when the harness is secured inside a cabinet or another fixed installation. The connection coding supports MS2x motor ports at one end and the ctrlX DRIVE feedback interface at the other, allowing one hybrid assembly to carry signals that would otherwise require multiple individual leads.
