RH2-013BBB Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RH2-013BBB is a hybrid encoder cable from the RH2 Encoder Cables series, designed with a PUR jacket in orange RAL 2003 and PP conductor insulation. This 2nd Generation cable supports a cross section of 0.75 mm² and features oil resistance, a minimum bend radius of 5 × D when fixed, and endures up to 5 million flex cycles.
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Product Description:
The RH2-013BBB is an encoder cable produced by Bosch Rexroth Indramat for the RH2 Encoder Cables series within the Rexroth Cables product group. Classified as a basic design from the second-generation range, it is a hybrid cable that carries power and signal conductors between IndraDrive controllers and feedback devices, allowing automation systems to obtain position data without separate wiring. The cable supports moving-axis applications and is designed to withstand repeated flexing, bending, and twisting in cable chains and rotary platforms used in industrial machinery.
The outer jacket is made of PUR in Orange RAL 2003, a thermoplastic polyurethane that resists abrasion, cutting fluids, and common industrial oils. The conductors use a [4x L + (2x 0.5 mm²)C + (4x AWG 24)]StC layout, which keeps the power, control, and signal paths electromagnetically separated. Each power core has a cross-sectional area of 0.75 mm², providing adequate current capacity for encoder supply circuits while keeping the cable light and flexible. All cores use PP insulation to support signal quality and thermal endurance. In stationary trays, the conductors can operate continuously at temperatures up to +90 °C without damaging the insulation. The cable tolerates torsion of up to ±30°/m, allowing it to follow the movement of rotary axes such as robot wrists. Fixed installations permit a minimum bending radius of 5 × D, which accommodates routing in compact cabinet layouts.
In dynamic cable-carrier service, the maximum operating temperature is +80 °C because continuous movement places additional thermal stress on the cable. Flexible routing requires a larger curvature allowance, and the minimum bending radius during motion is 7.5 × D. The cable withstands at least 5,000,000 flex cycles without conductor breakage, supporting prolonged use in repetitive-motion applications. A minimum insulation resistance of 500 MΩ/km at 20 °C limits leakage current in low-level encoder circuits, even when the cable is installed over long distances.
