RD52.1-8N-007-L-V1-FW Bosch Rexroth Indramat
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MPN: R911200851
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The Bosch Rexroth Indramat RD52.1-8N-007-L-V1-FW is a drive controller from the RD 500 Drive Controllers series. It has a rated power of 7.5 kW and operates with a voltage range up to 700 V. This model features field oriented vector control and uses forced air cooling.
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Product Description:
The RD52.1-8N-007-L-V1-FW is an AC inverter module produced by Bosch Rexroth Indramat for the RD 500 Drive Controllers series. Designed for installation inside cabinet-mounted automation panels, the unit converts a fixed DC bus into a variable three-phase output used to regulate induction or synchronous motors in material-handling lines, packaging cells, and general motion systems. By adjusting voltage, frequency, and current in response to drive commands, it maintains the requested speed and torque profile during acceleration, steady operation, and deceleration. This makes the module suitable for applications that require stable motor control without a separate line-side frequency converter at each axis.
At its motor terminals, the module uses field-oriented vector control, enabling high dynamic torque across the speed range and improving response under changing load conditions. The controller is delivered without a built-in brake chopper, so regenerative energy must be handled by external braking hardware or by the shared DC link when the system is arranged for energy recovery. Internal thermal management uses forced air cooling; axial fans move cabinet air across the heat sink to keep the power semiconductors within their operating temperature range during continuous duty. The power section is rated for 7.5 kW, which suits medium-size pumps, conveyors, mixers, and similar machinery when paired with a compatible motor and bus configuration.
The unit is in Design Generation 1, so its wiring layout and option-card arrangement follow the first RD 500 hardware release. The power stage runs from an inverter DC supply and can share a common bus that is nominally 700 V after rectification, which supports centralized power architectures inside larger drive cabinets. For control retention, the electronics accept 24 V standby power from an external source so stored parameters and communication functions can remain active while the main power section is isolated. This separation between control power and drive power helps the module stay available for diagnostics and network access during service conditions.
Frequently Asked Questions about RD52.1-8N-007-L-V1-FW:
Q: What is the rated power of the RD52.1-8N-007-L-V1-FW drive controller?
A: The RD52.1-8N-007-L-V1-FW has a rated power output of 7.5 kW.
Q: What cooling method is used by the RD52.1-8N-007-L-V1-FW drive controller?
A: This model features forced air cooling for temperature regulation during operation.
Q: What type of control does the RD52.1-8N-007-L-V1-FW utilize?
A: The drive controller uses field oriented vector control for its control type.
Q: Does the RD52.1-8N-007-L-V1-FW come with a built-in brake chopper?
A: The RD52.1-8N-007-L-V1-FW operates without a built-in brake chopper.
Q: What is the voltage range supported by the RD52.1-8N-007-L-V1-FW?
A: The voltage range for this drive controller is 700 V for inverter DC supply.
