RL2-049DBB Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RL2-049DBB is part of the RL2 Motor Power Cables series and features a PUR orange cable jacket with a basic cable design. It offers a cross section of 1.5 mm², supports 5,000,000 bending cycles, and has a rated power wire voltage of 600/1000 V. This cable provides direct motor-drive connection for 2nd generation motors and includes numbered wire conductor markings.
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Product Description:
The RL2-049DBB is a motor power cable manufactured by Bosch Rexroth Indramat for the RL2 Motor Power Cables series. Intended for the company’s second-generation servo motors, the cable provides a direct connection to the drive, reducing cabinet wiring and contact points. In automated production cells it supplies the stator windings and low-level signals while tolerating continuous movement inside drag chains and robot wrists.
Mechanical endurance is reflected in a service life of 5,000,000 flex cycles, allowing the assembly to follow repetitive linear strokes without conductor fatigue. The internal layout is defined as 4x L + 4x 0.75 mm², so four power cores are paired with four smaller signal leads that share a common jacket. Each power core has a cross-section of 1.5 mm², a size that balances current capacity with cable flexibility. Power insulation withstands up to 600/1000 V, supporting standard industrial drives, and safe operation during dynamic motion is maintained when the cable is bent to a minimum radius of 7.5 × D. Numbered wire identification and the Basic design simplify on-site termination, while the Rexroth Cable product group ensures compatibility across the motion platform.
The outer sheath is a halogen-free PUR (Orange RAL 2003) compound that resists oil, coolants, and weld spatter, making it suitable for harsh machine tool environments. During continuous flexing the copper conductors may reach 80 °C, a permissible temperature that prevents insulation embrittlement. For static routing the cable can be installed on trays or through conduits with a bend radius of 5 × D, and directional changes along robotic axes are permitted within a torsion window of ±30°/m. The second-generation motor interface, direct plug-in connectors, and a 450/750 V signal pair support feedback channels without additional cables, completing the power-and-control link.
Frequently Asked Questions about RL2-049DBB:
Q: How many bending cycles is the RL2-049DBB power cable rated for?
A: This model is specified for 5,000,000 bending cycles, supporting demanding movement requirements in dynamic applications.
Q: What material and color is used for the RL2-049DBB cable jacket?
A: The cable jacket is made from PUR in orange (RAL 2003) for high visibility and durability.
Q: What is the minimum dynamic bending radius specified for the RL2-049DBB power cable?
A: A dynamic bending radius of 7.5 times the cable diameter is required when flexing the RL2-049DBB cable.
Q: What is the conductor structure and marking of the RL2-049DBB cable?
A: It uses a 4x L + 4x 0.75 mm² cable type with numbered wire conductors, simplifying installation and connection.
Q: What is the maximum permissible temperature for the conductors in the RL2-049DBB cable during flexible use?
A: For continuous flexible operation, the conductor in this cable can reach a maximum temperature of 80 °C.
