RHB2-012BBB Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RHB2-012BBB is a hybrid cable from the RHB2 Encoder Cables series with a cross section of 0.75 mm² and a cable design of 4x L plus 2x 0.5 mm² and 4x AWG 24. This Rexroth cable supports dynamic bending up to 7.5 times the cable diameter, static bending up to 5 times, and withstands up to 5,000,000 bending cycles.
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Product Description:
The RHB2-012BBB cable is produced by Bosch Rexroth Indramat within the RHB2 Encoder Cables series. It links MS2 synchronous motors to ctrlX DRIVE controllers, carrying encoder feedback and power through a single hybrid line. This design reduces the number of separate cables needed between the motor and drive while providing a coordinated path for power and feedback signals. In industrial automation systems, the assembly supports reliable position-data transmission so drive axes can maintain accurate closed-loop motion during repetitive operating cycles.
This model is rated for 5,000,000 bending cycles, allowing the sheath and conductors to withstand repeated flexing in drag-chain installations. A conductor cross section of 0.75 mm² provides current-carrying capacity for the logic and low-voltage cores. During continuous motion, the cable permits a minimum dynamic bending radius of 7.5 × D, where D is the cable’s outer diameter. The assembly is a hybrid cable that combines power conductors and differential encoder pairs beneath one protective jacket. Its H (M17 SpeedTec) connector uses a quick-lock interface that simplifies installation and allows the connection to be secured without conventional threaded coupling procedures.
The internal conductor arrangement follows a 4 × L + 2 × 0.5 mm² + 4 × AWG 24 – DS layout, separating the power, auxiliary power, and shielded data paths to limit crosstalk. For stationary routing, the cable permits a minimum bending radius of 5 × D without exceeding its strain limit. The assembly connects directly to MS2x motors with Plug H, providing the required interface without custom pin assignments. It is compatible with the ctrlX DRIVE platform, allowing encoder data and motor power to pass through the intended hybrid connection. The direct motor-to-drive routing eliminates intermediate terminal blocks, which reduces the number of connection points and limits additional voltage drop or electromagnetic exposure along the cable path. Its standard insulation and drag-chain suitability support continuous movement in automated production equipment operating across multiple shifts.
