RLB3-116KEB Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RLB3-116KEB is a power cable from the RLB Motor Power Cables series featuring a 25 mm² cross-section and a cable design with 4x L plus 4x 1.5 mm² cabling. This basic model supports up to 5,000,000 bending cycles and operates in temperatures ranging from -30 to 80 degrees Celsius. It is equipped with a C (M50) terminal box motor connector and offers direct motor-drive connection.
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Product Description:
The RLB3-116KEB is a motor power cable manufactured by Bosch Rexroth Indramat for the RLB Motor Power Cables series. It provides a dedicated power connection between an EFC frequency converter and an MS2(X) synchronous motor. The cable carries a three-phase supply and protective conductors in industrial automation systems. Its flexible design supports moving installations in energy chains and robotic equipment.
The cable is rated for 5,000,000 bending cycles, indicating the number of dynamic movements it can endure before mechanical fatigue becomes critical. Its conductor set has a 4x L + 4x 1.5 mm² layout, providing four large power conductors and four smaller auxiliary cores for protective earth or sensor functions. Each main conductor has a cross-sectional area of 25 mm², supporting power transmission over long cable runs while limiting voltage drop. During motion, the sheath must not be bent more tightly than a 7.5xD minimum radius to preserve the insulation under repeated pulling and flexing forces. A molded C (M50) terminal box mates directly with the motor housing, eliminating the need for a field-assembled motor plug. The Basic design concentrates on power delivery and does not incorporate additional shielding or servo feedback pairs.
For stationary routing, the cable requires a minimum bend radius of 5xD. Its operating temperature range extends from a maximum of 80 °C down to a minimum of -30 °C, so the surrounding cabinet and machine conditions must remain within these limits. The cable terminates directly at the drive without intermediate junctions, which helps minimize contact resistance along the power path. It is compatible with EFC frequency converters and the MS2(X) motor family. The polyurethane-style flexible construction is intended for industrial routes where abrasion resistance, repeated movement, and stable electrical performance are required.
