RD52.1-4B-007-L-V1-FW Bosch Rexroth Indramat
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MPN: R911200050
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The Bosch Rexroth Indramat RD52.1-4B-007-L-V1-FW is a drive controller in the RD 500 Drive Controllers series with a rated power of 7.5 kW. It features field oriented vector control, forced air cooling, and an integrated mains filter. The controller has a built-in brake chopper and operates on a voltage range of 380 to 480 V AC.
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Product Description:
The RD52.1-4B-007-L-V1-FW is a drive controller produced by Bosch Rexroth Indramat within the RD 500 Drive Controllers series. It modulates the voltage and frequency delivered to three-phase induction motors so conveyor lines, pumps, and other motion axes in automated plants can run at commanded speeds and torque levels. This control approach helps the connected motor respond predictably during speed changes and varying process loads while maintaining stable operation across routine industrial duty.
This model accepts a three-phase input of 380 to 480 V and is classified as a 3 x AC converter, enabling direct connection to standard industrial mains. Line variation of up to ±10% is tolerated without derating, which simplifies installation in facilities where voltage levels fluctuate. Its power stage is rated for 7.5 kW, matching medium-frame motors used on material-handling equipment. Motion is calculated with field-oriented vector control, and this algorithm regulates stator currents in real time to maintain precise flux alignment and fast torque response. A built-in brake chopper directs regenerated energy to an external resistor during rapid deceleration, preventing DC-bus overvoltage. An integrated mains filter attenuates conducted emissions so the cabinet meets EMC limits.
Heat is removed by forced air cooling, allowing continuous operation at the stated load without external liquid circuits and helping keep cabinet thermal management straightforward. An internal supply provides 24 V standby power, keeping control electronics active when the main bus is off so fieldbus modules and encoder links remain energized. The hardware belongs to design generation 1. Programming is performed through the front port, which provides accessible setup and update access from the cabinet front.
Frequently Asked Questions about RD52.1-4B-007-L-V1-FW:
Q: Does the RD52.1-4B-007-L-V1-FW drive controller have a brake chopper?
A: The RD52.1-4B-007-L-V1-FW includes a built-in brake chopper for reliable braking capabilities.
Q: What control type does the RD52.1-4B-007-L-V1-FW support?
A: This drive controller utilizes field oriented vector control for enhanced motor performance and precision.
Q: What cooling method is used in the RD52.1-4B-007-L-V1-FW drive controller?
A: Cooling for the RD52.1-4B-007-L-V1-FW is achieved through forced air cooling.
Q: What is the rated power of the RD52.1-4B-007-L-V1-FW drive controller?
A: The rated power output of the RD52.1-4B-007-L-V1-FW is 7.5 kW.
Q: What supply voltage and type does the RD52.1-4B-007-L-V1-FW require?
A: This model operates with a converter requiring a 3-phase AC supply within a 380 to 480 V range.
