RZF02.1-4-007 Bosch Rexroth Indramat
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MPN: R911201184
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The Bosch Rexroth Indramat RZF02.1-4-007 is a radio interference filter from the RZF Line Filters series. It supports a nominal voltage of 3-phase AC 380 to 480 V at 50/60 Hz and has a weight of 1.7 kg. This filter has an IP20 protection rating and operates with nominal currents of 20 A at 4 kHz, 13 A at 10 kHz, and 11 A at 12 kHz switching frequencies.
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Product Description:
The RZF02.1-4-007 is a radio interference line filter manufactured by Bosch Rexroth Indramat and supplied as part of the RZF Line Filters series. The component is installed between a three-phase frequency converter and the plant power grid to attenuate conducted electromagnetic noise that could disturb nearby control electronics and to keep the drive system within electromagnetic compatibility limits. Proper installation requires routing the supply conductors through the integrated choke section and maintaining the shortest possible ground path to the cabinet backplane.
Electrically, the filter is rated for input networks of 3 x AC 380 ... 480 V, +/- 10 %. It may be connected to converters that switch the IGBTs at 4, 10, or 12 kHz; at 4 kHz the permissible continuous line current is 20 A, at 10 kHz it is 13 A, and at 12 kHz it is 11 A. The mains frequency envelope of 50/60 Hz allows the same assembly to be used in both European and North American plants. By matching filter impedance to these values, the unit limits differential-mode noise while avoiding excessive voltage drop during load transients. The nominal current ratings are aligned with the listed power classes from 1.5 kW up to 7.5 kW, so a single filter part number can cover several converter frame sizes without derating.
From a mechanical standpoint, the filter carries a protection level of IP 20, so it must be mounted inside an enclosed control cabinet. Power conductors terminate on cage terminals sized for 10 mm² wire, simplifying connection to typical drive feeders. Reliable operation is specified for ambient temperatures between 0 - 40 °C, and the environmental class 3K3 suits clean, ventilated factory halls. The compact steel housing weighs only 1.7 kg, enabling placement directly beside the drive without additional support brackets. Design number 1 in line 02 indicates the internal core layout used across the current RZF family generation.
Frequently Asked Questions about RZF02.1-4-007:
Q: What is the nominal voltage range for the RZF02.1-4-007 line filter?
A: The nominal voltage for the RZF02.1-4-007 filter is 3 x AC 380 to 480 V, with a tolerance of plus or minus 10%.
Q: What frequency converter power classes are compatible with the RZF02.1-4-007 filter?
A: This filter supports a frequency converter power class ranging from 1.5 to 7.5 kW.
Q: What is the nominal current of the RZF02.1-4-007 at a 4 kHz switching frequency?
A: The RZF02.1-4-007 provides a nominal current of 20 A at 4 kHz switching frequency.
Q: What is the acceptable ambient temperature range for the RZF02.1-4-007 filter?
A: It is rated for use within ambient temperatures from 0 to 40 °C.
Q: What level of protection does the RZF02.1-4-007 line filter provide?
A: The filter features IP20 degree of protection, guarding against ingress of solid objects greater than 12.5 mm.
