RLC1-125BGB by Bosch Rexroth Indramat

The RLC1-125BGB is a flexible motor power cable produced by Bosch Rexroth Indramat within the RLC1 Motor Power Cables series. Intended for servo axes and inverter-fed motors, the assembly links the drive controller directly to the machine actuator while carrying three-phase power and protective earth conductors. By combining factory-mounted connectors with vibration-resistant clamping hardware, the cable simplifies field wiring in automated handling, packaging, and machining cells.

The conductor sizing follows the American wire gauge system, using a conductor size of 18 AWG, which corresponds to a metric cross-sectional area of 0.75 mm². This copper section limits resistive losses and allows the cable to deliver up to 10.4 A to synchronous or asynchronous motors under continuous duty. On the motor side, an M23 Power Connector is molded to the jacket to provide EMC-safe shielding and vibration-resistant mating. The cabinet end supports terminal blocks or drive plug-in modules and uses double clamping strain relief to reduce conductor fatigue in dynamic chains. When routed through energy tracks, the sheath can bend repeatedly to a radius of 7.5 × D without exceeding the minimum dynamic bend limit.

Mechanical durability is further expressed by a service life of 5,000,000 flex cycles in standard drag-chain tests. For stationary installations, the polymer insulation permits a static bend radius of 5 × D while maintaining dielectric integrity. The PVC-free design is listed as Basic, so the cable focuses on motor power transmission without added brake, sensor, or hybrid cores. Thermal endurance matches shop-floor requirements, with operation permitted from -30 to 40 °C, and the same range applies during storage. The cable is suitable for pick-and-place gantries, gantry loaders, and other multi-axis systems that combine fast indexing with tight routing space.