TVD 1.2-15-03/S100 Bosch Rexroth Indramat
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MPN: R911252158
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The Bosch Rexroth Indramat TVD 1.2-15-03/S100 is a power supply module from the TVD Power Supply Modules series. It has a DC bus voltage of 320 V, continuous mechanical power of 12 kW, and a continuous DC bus power rating of 15 kW. The module features a continuous regen power of 1.0 kW and weighs 11.2 kilograms.
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Product Description:
The TVD 1.2-15-03/S100 is a regulated DC power supply module produced by Bosch Rexroth Indramat within the TVD Power Supply Modules series. It converts incoming three-phase mains into a stabilized intermediate circuit that feeds multiple axis drives in an Indramat automation rack. By maintaining a constant bus voltage, it supports coordinated servo motion, braking energy return, and auxiliary 24 V and ±15 V control rails needed by downstream drive electronics. This arrangement allows several servo axes to share one common supply section instead of relying on separate converters in each slot.
The DC link is held at 320 V. Under continuous duty, the module can deliver up to 15 kW of DC bus power and withstand transient peaks of 45 kW during rapid acceleration cycles. The built-in converter section supports a total drive output of 12 kW, while the auxiliary 24 V rail provides 7.5 A for control logic, sensors, and contactors. When the module is loaded to its rated limits, internal dissipation reaches 330 W, which affects cabinet ventilation requirements. It also draws 300 VA of separate control power and uses an IP10 open-frame housing for rack mounting.
Surplus kinetic energy is routed to an integrated bleeder resistor that continuously absorbs 1 kW and can accept bursts up to 40 kW during emergency stops. The module’s energy buffer is sized for 60 kWs, allowing short power outages to pass without drive shutdown. The bleeder path handles returned energy when decelerating axes raise the DC bus faster than connected drives can use it. Operation is permitted at installation altitudes up to 1000 m without derating. Reliability is supported by separate ±15 V rails rated at 2.5 A and 1.5 A for analog electronics, and the assembly weighs 11.2 kg for installation in compatible cabinet slots.
