TVD 1.2-15-03 B/5 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat TVD 1.2-15-03 B/5 is part of the TVD Power Supply Modules series and offers a DC bus continuous power of 15 kW at a voltage of 320 V. It supports continuous currents of 2.5 A at +15 V and 7.5 A at +24 V, with a maximum power loss of 330 W at full load. The unit features an IP10 protection rating and can deliver bleeder peak power up to 40 kW.
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Product Description:
The TVD 1.2-15-03 B/5 power supply module is produced by Bosch Rexroth Indramat within the TVD Power Supply Modules series. This Series 1, version 2 module is installed in the automation cabinet to feed multiple drive controllers from a shared DC link. It converts incoming three-phase power, generates the auxiliary ±15 V and +24 V rails, and uses an internal bleeder stage to convert regenerated energy into heat. By centralizing these tasks, the module reduces wiring complexity and keeps coordinated motion axes supplied with consistent power.
During continuous operation, the +24 V logic rail can deliver 7.5 A, while ripple on that line is held to 2%. The DC link is fixed at 320 V, and the converter can sustain 15 kW of continuous bus power for synchronous and asynchronous axes. A 1 kW bleeder resistor removes base-level regeneration, and a pulse-rated network absorbs up to 40 kW during short braking events; total feedback energy may reach 60 kWs before thermal limits are reached. With drives fully loaded, the supply dissipates 330 W internally, and it draws 300 VA for its own control circuitry. The ±15 V monitoring supply maintains only 0.1% ripple to support sensitive sensors.
The auxiliary rails are balanced by separate regulators: the –15 V output supplies 1.5 A, and the +15 V line can furnish 2.5 A for analog interfaces. When a rapid stop is commanded, the link circuit is rated for a peak throughput of 45 kW, allowing large servo groups to decelerate without external choppers. Safe operation is specified up to a cabinet temperature of 55 °C with linear derating beyond 45 °C and up to an installation altitude of 1000 m. An enclosure classification of IP10 indicates that the module is finger-safe but requires a protected panel, so panel airflow must be managed externally to sustain the stated performance.
Frequently Asked Questions about TVD 1.2-15-03 B/5:
Q: What is the DC bus voltage rating for the TVD 1.2-15-03 B/5 module?
A: The TVD 1.2-15-03 B/5 has a DC bus voltage specification of 320 V.
Q: How much continuous DC bus power does the TVD 1.2-15-03 B/5 provide?
A: This module delivers a continuous DC bus power output of 15 kW.
Q: What is the maximum ambient temperature for the TVD 1.2-15-03 B/5 under derated conditions?
A: The power supply can handle a maximum ambient temperature of 55 °C with derating.
Q: What are the continuous and peak power specifications for the bleeder in the TVD 1.2-15-03 B/5?
A: The bleeder in this model supports a continuous power rating of 1 kW and peak power up to 40 kW.
Q: What protection rating does the TVD 1.2-15-03 B/5 have?
A: The TVD 1.2-15-03 B/5 conforms to a protection rating of IP10.
