RL2-500CBB Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RL2-500CBB is a power cable from the RL2 Motor Power Cables series designed for second generation MS2x motors with Plug D and IndraDrive drives. This extension cable has a cross section of 1.0 mm², supports up to 5 million bending cycles, and features a M17 power connector. Its bending radius is 7.5 times the diameter dynamically and 5 times the diameter when static.
Internal Product Review
The RL2-500CBB is a Bosch Rexroth Indramat RL2 series motor power cable designed for use with IndraDrive systems and MS2x motors with Plug D. This cable supports up to 5 million bending cycles and features a 4x L + 4x 0.75 mm² configuration for reliable power transmission. Its robust construction and dynamic bending radius make it ideal for demanding motion applications.
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Product Description:
The RL2-500CBB is an industrial motor power cable produced by Bosch Rexroth Indramat for the RL2 Motor Power Cables series. It provides an electrical link between a compatible synchronous motor and inverter, carrying phase current through dynamic machine axes. The molded interface helps simplify installation, while the cable construction maintains consistent conductor geometry during repeated movement. The assembly is intended for automated motion systems such as gantries, pick-and-place equipment, indexing tables, and other machinery that requires flexible motor connections.
The cable uses conductors with a cross-sectional area of 1.0 mm², providing adequate copper area for standard motor currents without excessive voltage drop. Its internal arrangement follows a 4x L + 4x 0.75 mm² conductor layout. Four larger leads transmit motor power, while four smaller cores support protective grounding and relay functions. An overmolded M17 power connector at the motor end provides keyed engagement and helps prevent the connection from loosening under vibration. For moving applications, the cable supports a dynamic bend radius of 7.5 × D, which limits stress on the conductors when routed through energy chains. Fixed cabinet runs may use a stationary bend radius of 5 × D. These bending requirements help protect the insulation from damage during installation and operation.
The cable has a service life of 5 million bending cycles, making it suitable for machinery that operates continuously or performs frequent repetitive movements. It is electrically compatible with IndraDrive converters and mechanically compatible with MS2x motors equipped with plug D. The molded motor connection eliminates the need to terminate individual conductors at the motor socket. The assembly is supplied as an extension cable, allowing an existing motor harness to reach equipment installed farther from the control cabinet. This arrangement is useful when an axis has longer travel or when the cabinet position changes within a machine layout. Proper routing within the stated bend limits helps prevent excessive jacket compression, conductor fatigue, and strain at the connector interface.
