RD52.2-4B-007-L-A2-FW Bosch Rexroth Indramat
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MPN: R911201245
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The Bosch Rexroth Indramat RD52.2-4B-007-L-A2-FW is a drive controller from the RD 500 Drive Controllers series with a rated power of 7.5 kW and a voltage range of 380 to 480 V. It features field oriented vector control, built-in brake chopper, and is cooled by forced air. The controller includes an integrated mains filter and supports converter 3 x AC supply.
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Product Description:
The RD52.2-4B-007-L-A2-FW is a drive controller manufactured by Bosch Rexroth Indramat and assigned to the RD 500 Drive Controllers series. It is installed between a three-phase mains supply and the motor, where it delivers controlled voltage and frequency so production machines can follow commanded speeds and torques with minimal delay. In automated lines, this controller bridges the plant power network to vector-regulated motor shafts, enabling repeatable motion profiles and dependable stop-and-go cycles. This arrangement lets the controller adjust motor behavior as load conditions change during normal production.
This model supplies a continuous output of 7.5 kW and accepts line potentials within 380 to 480 V. The permissible fluctuation around that range is ±10%, allowing operation on grids that experience moderate voltage swings. Torque is regulated through field-oriented vector control, a method that separates stator current into torque-producing and flux-producing components for precise dynamic response. Internally, heat is removed by forced air cooling, so cabinet airflow must not be obstructed. During rapid deceleration events, a built-in brake chopper diverts surplus DC-bus energy to a resistor, protecting semiconductors from overvoltage. Incoming harmonics are attenuated by an integrated mains filter, which helps reduce electrical interference on the supply connection.
The power section is fed from a three-phase AC converter supply and belongs to generation 2. Service functions include standby power through an external terminal, which keeps control functions available when the main output stage is inactive. A starting lockout inhibits unintended energization after a fault reset. This operating behavior helps the drive return to service in a controlled manner after an interruption.
Frequently Asked Questions about RD52.2-4B-007-L-A2-FW:
Q: What type of brake chopper is included with the RD52.2-4B-007-L-A2-FW?
A: The RD52.2-4B-007-L-A2-FW drive controller features a built-in brake chopper for dynamic braking capabilities.
Q: What control type does the RD52.2-4B-007-L-A2-FW drive controller use?
A: This model supports field oriented vector control for precise motor regulation.
Q: How is the RD52.2-4B-007-L-A2-FW drive controller cooled?
A: The RD52.2-4B-007-L-A2-FW uses forced air cooling to maintain optimal operating temperatures.
Q: What is the supply voltage range for the RD52.2-4B-007-L-A2-FW?
A: This unit operates with a supply voltage range from 380 to 480 V AC, accommodating a broad range of industrial power inputs.
Q: What is the rated power of the RD52.2-4B-007-L-A2-FW drive controller?
A: The rated power output of the RD52.2-4B-007-L-A2-FW drive controller is 7.5 kW.
