RZW02.1-005-060 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RZW02.1-005-060 is a braking resistor from the RZW Braking Resistors series and has a power rating of 5.5 kW with a resistance of 42 Ohms. The unit measures 490 mm in width, 400 mm in depth, 270 mm in height, and weighs 13 kilograms. It features an IP20 protection class and allows a maximum on-time of 72 seconds and an operating factor of 60 percent.
Internal Product Review
The RZW02.1-005-060 is a Bosch Rexroth Indramat RZW braking resistor with 5.5 kW power data and 42 Ω resistance. IP20 protection and a 60% operating factor support dependable braking duty in controlled cabinet environments. A 100 s thermal time constant adds confidence for repeated deceleration cycles.
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Product Description:
The RZW02.1-005-060 braking module is produced by Bosch Rexroth Indramat for the RZW Braking Resistors series. This resistor assembly channels surplus energy from servo drives into heat during rapid deceleration and cyclic positioning tasks in automated machinery. Dissipating the regenerative energy helps prevent excessive DC-bus voltage that could otherwise interrupt drive operation or damage connected components.
The unit converts regenerative peaks into a thermal load at a rated power of 5.5 kW, indicating the maximum continuous energy it can dissipate under the stated duty conditions. Its resistive element has a resistance of 42 Ω, which controls the current flowing when the module is connected to the drive’s chopper circuit. A permitted operating factor of 60% SD allows the resistor to carry a load for three-fifths of each duty cycle while keeping its surface temperature within safe limits. Within that duty cycle, the maximum energized period is 72 s, after which a mandatory recovery interval of 48 s allows the assembly to cool. These operating limits work with a thermal time constant of 100 s to support temperature-rise calculations and proper chopper activation by the drive control system.
The module has an M10 connection thread, and two terminals on line 2 accommodate 2.5 mm² conductors. Design code 1 identifies the mechanical layout used for this model. The assembly weighs 13 kg, so its mounting surface must be able to support the load when the module is installed in a vertical airflow path. Its IP20 enclosure protects against accidental finger contact but requires installation inside a cabinet that is free from conductive dust. The housing measures 490 mm wide, 270 mm high, and 400 mm deep, providing a rectangular footprint for placement alongside other drive components. The resistor must be connected only to DC links with a total resistance above the 30 Ω minimum to prevent excessive current when the braking circuit activates.
