RL2-046EBB Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RL2-046EBB is a power cable from the RL2 Motor Power Cables series, featuring a basic design with a PUR jacket and a cross section of 2.5 mm². It supports up to 5,000,000 bending cycles, has a dynamic bending radius of 7.5 times the cable diameter, and a motor connector size of M40.
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Product Description:
The RL2-046EBB is a factory-assembled power lead manufactured by Bosch Rexroth Indramat within the RL2 Motor Power Cables series. Designed for second-generation synchronous motors and matching IndraDrive inverters, the cable routes three-phase supply conductors and auxiliary lines in a single sheath, allowing rapid installation of servo axes in conveyor modules, packaging equipment, and general machinery. It complies with Rexroth cable group guidelines and supports fixed cabinet wiring as well as continuous motion along energy chains.
During flexing duty the cable withstands 5,000,000 bending cycles, so it can operate in drag chains without insulation fatigue. The conductor bundle follows a 4x L + 4x 0.75 mm² arrangement: four power cores for the motor phases and protective conductor, plus four 0.75 mm² signal wires for temperature or brake functions. Each power core has a nominal cross section of 2.5 mm², a size selected to minimize voltage drop at typical servo currents while allowing compact routing through carriers. To avoid copper work-hardening, dynamic operation must respect a minimum loop of 7.5xD, where D is the cable diameter. Under these conditions the insulation system supports up to 600/1000 V between the power wires and earth, covering low- and medium-voltage drive classes.
Additional features assure integrity in static parts of the route. A jacket made of PUR resists cutting oils and weld spatter, and its elasticity allows tighter fixed runs down to a 5xD radius without cracking. The factory-molded motor end uses an M40 threaded connector, giving engagement with second-generation Rexroth stators and maintaining the shielding path. Thermal rating for fixed segments reaches 90 °C, while flexible sections are limited to 80 °C; this differential ensures conductor insulation remains within class 90 materials during current flow. Together these properties align the cable with Rexroth’s drag-chain specification and provide stable performance across the full stroke of a servo axis.
Frequently Asked Questions about RL2-046EBB:
Q: What is the rated bending cycle capacity of the RL2-046EBB cable?
A: The RL2-046EBB features a bending cycle rating of 5,000,000, making it suitable for frequent motion applications.
Q: What material is used for the outer jacket of the RL2-046EBB cable?
A: The cable is constructed with a PUR (polyurethane) jacket for enhanced durability and chemical resistance.
Q: What connector size does the RL2-046EBB cable use for the motor connection?
A: The RL2-046EBB model is equipped with an M40 connector size for motor connection.
Q: What is the rated voltage for the power wires in the RL2-046EBB cable?
A: The rated voltage for the power wires of this cable is 600/1000 V, supporting high power transmission.
Q: What is the conductor cross-sectional area of the RL2-046EBB cable?
A: The cross-sectional area of the conductors in this model is 2.5 mm².
