RLC1-127BGB Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RLC1-127BGB is part of the RLC1 Motor Power Cables series and features a conductor cross-section of 0.75 mm² with a conductor count of 4. This cable supports up to 5,000,000 bending cycles, has a current capacity of 10.4 Aeff, and uses an M23 double clamping electrical connection.
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Product Description:
The RLC1-127BGB is a flexible motor power cable manufactured by Bosch Rexroth Indramat for the RLC1 Motor Power Cables series. It carries motor power and provides a protective grounding path between a drive controller and its connected motor, allowing electrical energy to reach a moving industrial axis safely. The flexible design supports routing through drag chains and confined cabinet spaces where repeated motion, limited clearance, and continuous machine operation place mechanical demands on the cable assembly.
The cable contains 4 conductors in a symmetrical arrangement consisting of three phase conductors and one separate ground conductor. Each conductor has a cross-sectional area of 0.75 mm², which supports the current requirements of low-power servo applications while limiting voltage drop across typical machine cable lengths. Under nominal operating conditions, the assembly can carry an effective current of up to 10.4 A RMS without thermal derating. Cable termination uses an M23 connector with double clamping, which provides strain relief and helps the connection resist vibration during machine operation. For fixed installation, the routing path must maintain a minimum bend radius of 5 × D to prevent excessive compression of the insulation, deformation of the internal conductor arrangement, and unnecessary mechanical stress near the connector.
In moving applications, the cable is rated for up to 5,000,000 bending cycles, supporting repetitive travel in drag-chain systems and other continuously moving machine assemblies. Dynamic routing must maintain a minimum bend radius of 7.5 × D to reduce conductor fatigue and prevent premature wear during repeated flexing. The jacket and connector pinout are compatible with IndraDrive controllers, allowing the cable to connect to the intended drive platform without field rewiring. Its electrical characteristics also match the winding requirements of ML3 synchronous motors, allowing direct installation between the drive module and the motor housing. Correct routing helps protect the conductor strands, insulation layers, and termination points from concentrated stress as the cable travels through a carrier.
