RZM01.1-6-170/S144 Bosch Rexroth Indramat
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MPN: R911203026
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The Bosch Rexroth Indramat RZM01.1-6-170/S144 is a motor filter in the RZM Motor Filters series. It operates with a connecting voltage of 3 x AC 380 to 400 V with a voltage tolerance of ±15% and supports 3-phase AC input. This filter offers a maximum rated current of 170 A, maximum pulse frequency of 8 kHz, and can provide output frequencies up to 200 Hz at 8 kHz.
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Product Description:
The RZM01.1-6-170/S144 is part of the RZM Motor Filters series from Bosch Rexroth Indramat. This motor filter is installed between a frequency converter and its AC motor to reduce unwanted electrical effects at the motor terminals and along the cable run. By smoothing the converter output, it helps limit stress on motor insulation and supports stable operation in automated machinery. Its enclosure profile matches the rest of the product line, which helps keep panel layout and mounting arrangements consistent in multi-axis installations.
Input to the filter is rated for 3 × AC 380 … 400 V, and the permitted deviation is ±15%, so the connected drive can operate within that supply range. The unit is intended for 3-phase AC networks, which means all three phases are processed together to maintain balanced current paths. Internal thermal and conductive parts support a continuous current of 170 A, allowing use with high-output inverters without overloading the filter. The connected drive must use a pulse frequency of at least 4 kHz, because operation below that point would move the filter outside its intended impedance range. This arrangement helps the filter work with the switching pattern of the converter instead of opposing it.
For applications that require faster switching, the filter accepts carrier frequencies up to 8 kHz. At that switching rate, the permissible motor-side fundamental output reaches 200 Hz, while operation in the lower carrier range allows a maximum of 100 Hz. These limits tie the inverter switching behavior to the usable motor output frequency so the filter remains within its intended operating range. The unit is built as Design 1, which keeps terminal spacing, enclosure dimensions, and mounting slot positions consistent with other RZM variants.
