RZS01.1-5-080 Bosch Rexroth Indramat
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MPN: R911201160
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The Bosch Rexroth Indramat RZS01.1-5-080 is a sinusoidal filter in the RZS Sinusoidal Filters series, designed for a nominal current of 80 Amps and connection voltage of 3 x AC 500 V. It covers a frequency range from 0 to 100 Hz, handles a converter power class of 075, and maintains a pulse frequency of 8 kHz with a power loss of 420 W.
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Product Description:
The RZS01.1-5-080 is produced by Bosch Rexroth Indramat and belongs to the RZS Sinusoidal Filters series. Installed between a PWM frequency converter and the driven motor, this filter shapes the converter’s rectangular voltage into a near-sinusoidal form. The smoother waveform lowers insulation stress, bearing currents, and audible noise, which supports reliable motor operation in automated machinery and helps reduce electrical stress on connected motor components.
This unit connects to three-phase supplies rated at 3 x AC 500 V, and it accepts a line variation of up to ±10 % without performance loss. The windings and capacitive network are rated for a continuous load of 80 A, allowing the filter to operate with medium-current servo or induction drives. It passes fundamental frequencies from 0 … 100 Hz, while the internal resonance is tuned so that high-frequency switching components generated at a carrier of 8 kHz are heavily damped. Because of this tuning, converters can still deliver a maximum output frequency of 100 Hz to the motor with minimal voltage distortion. These voltage, current, and frequency limits set the electrical operating window for the filter during normal operation.
For drive systems built around power class 075 converters, the filter offers an impedance profile matched to the inverter output. It is marked as design version 1, indicating the first mechanical layout with standardized terminal spacing, and it sits in product line 01 alongside other base-level RZS accessories. At full load, the element dissipates 420 W, so panel ventilation or a heat sink must remove this loss to prevent thermal drift. The compatible power class, design revision, and loss figure help determine mounting space, fuse selection, and the cooling needed around the assembly.
