RD51.1-4N-015-L-V1-FW Bosch Rexroth Indramat
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MPN: R911200170
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The Bosch Rexroth Indramat RD51.1-4N-015-L-V1-FW is a drive controller from the RD 500 Drive Controllers series with a rated power of 15.0 kW. It features U/f curve control, integrated mains filter, and forced air cooling. This controller operates as a 3-phase AC converter within a voltage range of 380 to 480 V.
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Product Description:
The RD51.1-4N-015-L-V1-FW belongs to the RD 500 Drive Controllers series produced by Bosch Rexroth Indramat. It is a drive controller intended for closed-loop speed regulation of three-phase induction motors in a wide range of factory processes. In this role, the unit adjusts its output so motor speed stays close to the commanded value even when load conditions change during operation. The hardware also supports an external 24 V standby power function that keeps internal electronics active during line power outages. This arrangement helps the control section remain available during brief supply interruptions.
This model uses U/f curve control, so motor voltage is reduced in proportion to frequency to help maintain magnetic flux at light loads. This control method is commonly used where reliable speed control is needed for general-purpose motor applications. A continuous mechanical output of 15.0 kW makes it suitable for mid-range pump, fan, and conveyor duties in industrial systems. The input range of 380 to 480 V allows the controller to operate on common plant power networks. As a three-phase AC converter, it rectifies the incoming supply to a DC link and then inverts it into a variable-frequency waveform for the motor. An input tolerance of ±10 % allows continued operation during modest line fluctuations without unnecessary protective shutdowns.
Thermal management relies on forced air cooling, with internal fans moving cabinet air across the heat sinks to control semiconductor temperature during sustained operation. Regenerative energy is handled externally because the unit comes without a built-in brake chopper, so any required braking hardware must be provided outside the drive. An integrated mains filter helps reduce conducted radio-frequency noise on the supply connection and supports cleaner operation within the electrical system. The controller is in design generation 1, placing it in the initial RD 500 platform revision. Its layout and operating features reflect that early platform version.
Frequently Asked Questions about RD51.1-4N-015-L-V1-FW:
Q: What is the rated power of the RD51.1-4N-015-L-V1-FW drive controller?
A: The RD51.1-4N-015-L-V1-FW has a rated power output of 15.0 kW.
Q: What input voltage range does the RD51.1-4N-015-L-V1-FW support?
A: This model operates on a supply voltage range from 380 to 480 V AC.
Q: What cooling method is used in the RD51.1-4N-015-L-V1-FW drive controller?
A: The RD51.1-4N-015-L-V1-FW uses forced air cooling for temperature management.
Q: Does the RD51.1-4N-015-L-V1-FW include a mains filter?
A: This unit comes with an integrated mains filter for power conditioning.
Q: What type of control method does the RD51.1-4N-015-L-V1-FW use?
A: The RD51.1-4N-015-L-V1-FW operates using U/f curve control as its control type.
