RZW02.1-015-060 Bosch Rexroth Indramat
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MPN: R911200617
The Bosch Rexroth Indramat RZW02.1-015-060 is a braking resistor from the RZW Braking Resistors series with a power rating of 15 kW and a thermal time constant of 100 seconds. It features an IP20 protection class, operates with a load cycle of 120 seconds at 60% duty, and measures 600 mm in depth, 490 mm in width, and 270 mm in height. The resistor weighs 22 kg and has a maximum surface temperature of 80 degrees Celsius.
Internal Product Review
The RZW02.1-015-060 is a Bosch Rexroth Indramat RZW braking resistor rated for 15 kW with IP20 protection. A 60% operating factor and 120 s load cycle support dependable energy dissipation in dynamic drive systems. The 80 °C maximum surface temperature highlights well-managed thermal behavior for cabinet installations.
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Product Description:
The RZW02.1-015-060 braking resistor is manufactured by Bosch Rexroth Indramat for the RZW Braking Resistors series. It serves as an external energy-dissipation module that is wired to the DC link of servo drives and inverters to absorb regenerative power during controlled deceleration or operation with overhauling loads. By safely converting excess electrical energy into heat, the unit protects the drive bus from overvoltage while maintaining short stopping times in industrial automation axes.
The resistor can absorb up to 15 kW of average thermal power, which is the maximum continuous power it can convert without exceeding its temperature limits. Its operating factor is rated at 60% SD, meaning it may be energized for 60% of each duty period without overheating. Within that period, the element supports a maximum on-time of 72 s followed by a mandatory off-time of 48 s. These limits maintain safe heat dissipation during repetitive braking cycles. A complete load cycle lasts 120 s, linking the on-time and off-time to the rated operating factor for cyclic applications such as gantry drives or conveyors with frequent starts and stops.
The surface temperature can rise to 80 °C under the maximum permitted load, so mounting clearances and cable insulation must accommodate the resulting heat. An enclosure rating of IP20 indicates protection against accidental finger contact but does not provide protection against moisture. The device should therefore be installed inside a dry control cabinet with sufficient airflow. Its thermal time constant is 100 s, indicating how quickly the housing temperature responds to changing loads and allowing the drive controller to calculate resistor heating during repeated braking cycles. The assembly weighs 22 kg. Its 600 mm depth, 490 mm width, and 270 mm height should be considered when allocating panel space beside other power components.
