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RL2-104EBB Bosch Rexroth Indramat

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The Bosch Rexroth Indramat RL2-104EBB is a power cable from the RL2 Motor Power Cables series featuring a basic cable design with a cross section of 2.5 mm² and a PUR jacket material. It supports rated voltages of 600/1000 V for power and 450/750 V for signal, with insulation resistance at 20 MΩ/km. The cable is designed for both fixed and flexible installations.

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Product Description:

The RL2-104EBB motor power cable is manufactured by Bosch Rexroth Indramat for the RL2 Motor Power Cables series. It belongs to the Rexroth Cable product group and is intended to connect second-generation drive modules to servo or spindle motors in automated equipment. By combining power conductors and low-level leads in one assembly, it shortens installation time and maintains consistent impedance between the converter and motor terminals in environments that demand continuous motion. The basic cable design also provides chemical resistance and cut protection suited for plant-floor routing.

Its conductor set follows a 4 × L + 4 × 0.75 mm² layout, with four power cores for line currents and four smaller cores for brake or sensor circuits. Each power core has a cross-sectional area of 2.5 mm², balancing current-carrying capacity with a manageable outer diameter. A durable PUR outer jacket shields the bundle from oils, coolants, and abrasion while supporting an insulation resistance of at least 20 MΩ/km at 20 °C. The dielectric system is rated for 600/1000 V on the power conductors, allowing the cable to operate with common 400 V drives without overstressing the insulation.

The cable is suitable for dynamic cable chains and other routes exposed to repetitive movement. During motion, the minimum bend radius is 7.5 × D, while fixed routing permits a bend radius of 5 × D without cracking the cable. Conductor temperatures can reach +90 °C in permanently installed runs and +80 °C when the cable is flexing. The overall sheath temperature is limited to +80 °C in fixed installations and +60 °C during flexing. The cable can operate at temperatures down to -30 °C while stationary and -20 °C while moving, supporting use in cold-room applications. Control conductors are insulated for 450/750 V, keeping the auxiliary circuits within their appropriate voltage class. The basic design uses a straightforward conductor arrangement compatible with second-generation motor pinouts.

Cable Design
Basic
Cable Type
4x L + 4x 0.75 mm²
Cross Section
2.5 mm²
Insulation Resistance (+20°c)
≥ 20 MΩ/km
Jacket Material
PUR
Max Conductor Temp (fixed)
+90 °C
Max Conductor Temp (flexible)
+80 °C
Max Temperature (fixed)
+80 °C
Max Temperature (flexible)
+60 °C
Min Bend Radius (dynamic)
7.5 x D
Min Bend Radius (static)
5 x D
Min Temperature (fixed)
-30 °C
Min Temperature (flexible)
-20 °C
Motor Generation
2nd
Product Group
Rexroth Cable
Rated Voltage (power)
600/1000 V
Rated Voltage (signal)
450/750 V

Frequently Asked Questions about RL2-104EBB:

Q: What is the jacket material used on the RL2-104EBB motor power cable?

A: The RL2-104EBB uses a PUR jacket material for enhanced durability in demanding environments.

Q: What is the rated voltage for power conduction on the RL2-104EBB cable?

A: The RL2-104EBB supports a rated voltage of 600/1000 V for power transmission.

Q: What is the cross-sectional area of the RL2-104EBB cable conductors?

A: This cable is designed with a cross section of 2.5 mm², providing sufficient capacity for motor power connections.

Q: What is the minimum static bend radius specified for the RL2-104EBB cable?

A: The RL2-104EBB allows a minimum static bend radius of 5 times the cable diameter.

Q: What is the maximum allowable conductor temperature for the RL2-104EBB in fixed installations?

A: The RL2-104EBB can operate at conductor temperatures up to +90 °C when fixed.


Internal Product Review

  • ‘‘The RL2-104EBB is a robust motor power cable from the RL2 series by Bosch Rexroth Indramat, featuring a durable PUR jacket and a 2.5 mm² cross section for reliable power delivery. With insulation resistance of ≥ 20 MΩ/km and rated voltages of 600/1000 V for power, this cable is well-suited for demanding industrial environments. Its high conductor temperature ratings and flexible design make it a dependable choice for modern motor installations.’’

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