TVD1.2-15-03 Bosch Rexroth Indramat
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MPN: R911246504
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The Bosch Rexroth Indramat TVD1.2-15-03 is part of the TVD Power Supply Modules series and provides a DC bus continuous power of 15 kW with a peak of 45 kW at 320 V. It includes a 7.5 A continuous output current at 24 V and features a bleeder continuous power of 1 kW and peak power of 40 kW. The unit weighs 11.2 kg and its maximum power loss at full load is 330 W.
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Product Description:
The TVD1.2-15-03 is a power supply module produced by Bosch Rexroth Indramat within the TVD Power Supply Modules series. It converts three-phase mains power into a stabilized DC bus and a 24 V auxiliary supply that feed Indramat drive controllers. In an automation cabinet, the module sits at the heart of the drive stack, delivering the energy needed for coordinated axis motion while simultaneously providing low-voltage logic power to control electronics. Its compact footprint and integrated bleeder resistors eliminate the need for external braking hardware, simplifying panel layout for machine tools, material handling lines, and packaging equipment.
The auxiliary 24 V rail can deliver a continuous 7.5 A, allowing encoders, I/O boards, and safety relays to stay powered even when the main bus is disabled. The DC bus is regulated around 320 V, with a ±5 % window so downstream inverters receive a predictable link voltage. For steady-state operation, the module supplies up to 15 kW of DC bus power, and excess kinetic energy is absorbed by an internal dynamic-brake resistor that dissipates 1 kW continuously. Thermal design must accommodate a power loss of 330 W at maximum electrical loading, so forced-air cooling is typically required to keep component temperatures within safe operating limits.
Short bursts above nominal levels are managed by higher rated stages. The dynamic-brake network can accept 40 kW of peak energy for rapid deceleration events, and the DC link itself can source 45 kW of peak power during acceleration spikes. A storage capacitor bank stores up to 60 kWs of feedback energy before the bleeder engages, preventing overvoltage trips in regenerative moves. Despite these ratings, the assembly weighs only 11.2 kg, making it light enough for slide-in installation on DIN rails or within drawer-style drive racks.
Frequently Asked Questions about TVD1.2-15-03:
Q: What is the continuous DC bus power output of the TVD1.2-15-03?
A: The TVD1.2-15-03 provides a continuous DC bus power output of 15 kW for stable operation.
Q: What is the 24V continuous output current rating for this module?
A: This power supply module delivers a continuous 24V output current of 7.5 A.
Q: How much maximum feedback energy can the TVD1.2-15-03 absorb?
A: The TVD1.2-15-03 can handle a maximum feedback energy of 60 kWs.
Q: What is the DC bus voltage and its tolerance for the TVD1.2-15-03?
A: It operates at a DC bus voltage of 320 V with a tolerance of ±5%.
Q: What is the peak bleeder power capacity of the TVD1.2-15-03?
A: The bleeder circuit supports a peak power handling of up to 40 kW.
