RKL4319 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKL4319 is a motor power cable from the RKL Motor Power Cables series with a cable diameter of 18.5 mm and a bulk cable type INK0604. It supports an operating voltage of 300/500 V and is built for up to 5,000,000 bending cycles. The RKL4319 features connectors RLS1201/C06 and RLS1202/C06 and allows a maximum wire temperature of 90°C when fixed and 80°C when flexible.
Internal Product Review
The RKL4319 motor power cable from Bosch Rexroth Indramat features the INK0604 bulk cable type and is equipped with RLS1201/C06 and RLS1202/C06 connectors for reliable connections. It delivers excellent flexibility with a dynamic bending radius of 7.5 x D and supports up to 5,000,000 bending cycles, making it ideal for demanding motion applications. Overall, this cable stands out for its durability and robust design in high-movement environments.
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Product Description:
The RKL4319 motor power cable is produced by Bosch Rexroth Indramat within the RKL Motor Power Cables series. This flexible assembly carries motor power between drive inverters and synchronous or asynchronous motors inside automated machinery, maintaining consistent current delivery during dynamic motion. Molded connectors and finely stranded conductors support repeated movement in cable chains used on gantries, pick-and-place units, and packaging lines. The cable is designed to minimize voltage drop and mechanical wear in demanding industrial applications.
The cable has a rated bending endurance of 5,000,000 cycles, allowing its jacket and conductors to tolerate continuous cable-chain operation. The conductor set uses INK0604 strands, and the overall jacket diameter measures 18.5 mm, which affects clamp selection and routing-channel dimensions. During operation, the cable can carry motor-phase voltages up to 300/500 V, making it suitable for standard low-voltage industrial drives. Electrical resistance is limited to 3.30 ohms/km, helping reduce voltage drop over extended cable runs. When the cable is moving, installers must maintain a minimum bend radius of 7.5 × D to prevent excessive conductor fatigue during rapid axis cycles.
For fixed cabinet wiring, the cable permits a tighter minimum bend radius of 5 × D, allowing installation in crowded enclosures without placing excessive strain on the assembly. The core insulation withstands a maximum temperature of 90 °C in fixed installations. In moving applications, the maximum permitted conductor temperature is 80 °C to protect the elasticity of the surrounding polymers during repeated flexing. On the motor side, power is terminated through a keyed RLS1201/C06 connector, while the drive side uses an RLS1202/C06 plug for a secure connection. The unshielded INK0604 construction keeps the cable assembly relatively lightweight and allows flexible routing through moving machinery. Its molded terminations protect the conductor interfaces from strain caused by repeated movement, while the outer jacket resists the mechanical wear associated with cable carriers.
