RL2-045GBB Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RL2-045GBB is part of the RL2 Motor Power Cables series and features a basic cable design with a PUR orange jacket and a cross section of 6.0 mm². This Rexroth Cable supports a rated power voltage of 600/1000 V and signal voltage of 450/750 V, and it endures at least 5 million bending cycles. The RL2-045GBB is designed for the 2nd motor generation and uses an M40 plug connector.
Internal Product Review
The RL2-045GBB from Bosch Rexroth Indramat is a robust RL2 Motor Power Cable designed with a PUR orange jacket and a basic cable design for demanding industrial environments. It features a high bending cycle rating of ≥ 5,000,000 and a conductor temperature range up to +90°C (fixed), making it well-suited for continuous motion applications. Outstanding durability is highlighted by its insulation resistance of ≥ 20 MΩ/km and reliable rated voltages of 600/1000 V (power) and 450/750 V (signal), ensuring stable performance over time.
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Product Description:
The RL2-045GBB is a motor power cable manufactured by Bosch Rexroth Indramat for the RL2 Motor Power Cables series. It provides the primary power link between second-generation Rexroth servo motors and their converters. The cable carries three-phase power and auxiliary signal conductors in a single assembly, allowing compact routing inside machinery and cable carriers.
This cable is constructed for continuous-motion applications and can sustain ≥ 5,000,000 bending cycles during energy-chain operation. A conductor cross section of 6.0 mm² supports low voltage drop over typical servo cable lengths while limiting thermal rise. The power conductors are rated for 600/1000 V, while the integrated signal pair is rated for 450/750 V, allowing power and auxiliary circuits to share one routed assembly. The M40 (Plug V) interface mates directly with the motor’s sealed entry and provides strain relief during dynamic motion. The basic cable design keeps its diameter small and its weight moderate. Its PUR construction maintains mechanical integrity during repeated torsion and flexing.
A thick PUR jacket in Orange RAL 2003 resists oil, coolant, and weld spatter encountered on automated production lines. In a fixed installation, the conductors tolerate temperatures up to +90 °C, while flexible runs are limited to +80 °C to prevent insulation embrittlement during rapid acceleration. Fixed routing requires a minimum bend radius of 5 × D, which helps reduce cabinet clearance requirements, while moving sections require a minimum bend radius of 7.5 × D to protect the conductor arrangement. An insulation resistance of ≥ 20 MΩ/km at 20 °C supports low leakage between conductors. The cable follows second-generation Rexroth motor pinouts and can be installed without additional conduit or protective sleeving. Its combined conductor arrangement also reduces the number of separately routed cables required between the converter and motor.
