TVD 1.3-08-03/S100 Bosch Rexroth Indramat
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MPN: R911273615
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The Bosch Rexroth Indramat TVD 1.3-08-03/S100 is a power supply module from the TVD Power Supply Modules series. It has a DC bus voltage of 320 V and provides a continuous DC bus power of 7.5 kW, with a peak power of 22.5 kW for 0.3 seconds. This module has a 24V output current of 7.5 A, 15V output current of 2.5 A, and weighs 10.5 kilograms.
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Product Description:
The TVD 1.3-08-03/S100 is a regulated power supply module built by Bosch Rexroth Indramat for the TVD Power Supply Modules series. It conditions incoming three-phase mains into a stable DC bus and several low-voltage rails so that connected drive controllers receive consistent energy during industrial automation duty. Inside a single enclosure, it combines energy conversion, bus charging, monitoring, and bleeder circuitry for use in modular Rexroth drive systems. This arrangement supports shared power distribution in multi-axis installations where several controllers depend on one common supply stage. By separating the supply function from the individual drive controllers, the module helps keep the electrical source steady during changing load demands.
Design version 3 of series 1 draws 300 VA from the line and converts it into two auxiliary outputs: +15 V at 2.5 A and up to 7.5 A on the 24 V rail. The 24 V output maintains a ripple of 2%, preventing control electronics from seeing large voltage swings. Internally, the unit establishes a 320 V DC bus voltage; from this it can deliver 7.5 kW of continuous DC-bus power to drives. For short acceleration phases, it accepts load spikes up to 22.5 kW peak DC-bus capability that are limited to a 0.3 s peak interval. Operation is permitted without derating up to 55 °C ambient and installation heights to 1000 m. Protective vents give it an IP10 rating, supporting cabinet mounting where only basic finger protection is required.
During braking events, the module’s bleeder resistor dissipates regenerated energy and protects the bus. It withstands a 20 kW bleeder power surge and accepts a cumulative 30 kWs of recoverable energy before thermal limits are reached. Basic loss during normal service adds 75 W, and worst-case conversion losses rise to 180 W maximum dissipation, which is important when cabinet airflow is planned around nearby power equipment. The assembly weighs 10.5 kg, so the mounting panel and hardware must support a relatively heavy supply unit. These values describe the heat and regeneration behavior of the module during repeated drive deceleration and steady operation.
Frequently Asked Questions about TVD 1.3-08-03/S100:
Q: What is the continuous power rating for the DC bus on the TVD 1.3-08-03/S100?
A: The DC bus continuous power rating for the TVD 1.3-08-03/S100 is 7.5 kW.
Q: What is the maximum ambient temperature for the TVD 1.3-08-03/S100 power supply module?
A: This module has a maximum ambient operating temperature of 55 °C when derated.
Q: What is the +15V output current available from the TVD 1.3-08-03/S100?
A: The TVD 1.3-08-03/S100 provides a +15V output current of 2.5 A.
Q: What is the peak DC bus power and its duration for the TVD 1.3-08-03/S100?
A: This power supply module offers a peak DC bus power of 22.5 kW for up to 0.3 seconds.
Q: What is the protection category rating of the TVD 1.3-08-03/S100 module?
A: The protection category for this power supply module is IP10.
