KDV 1.3-100-220-300 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat KDV 1.3-100-220-300 is part of the KDV Supply Modules series and weighs 21 kilograms. This module has a nominal input voltage of 220 VAC and provides a DC bus voltage of 300 VDC. It supports a maximum power of 30 kW with a rated current of 100 A and a peak current of 300 A for 300 ms, and operates at ambient temperatures up to 55 degrees Celsius.
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Product Description:
The KDV 1.3-100-220-300 is a supply module manufactured by Bosch Rexroth Indramat for the KDV Supply Modules series. It converts incoming three-phase AC power into a regulated DC bus and provides auxiliary voltages for Indramat drive controllers in multi-axis automation cabinets. The module manages power distribution, stores regenerative energy, and switches brake resistors, so it serves as the main power unit within the drive rack.
It draws a nominal input of 220 VAC and delivers a rated DC bus current of 100 A, so connected drives can receive steady power without exceeding normal bus loading. The internal converter supports a continuous system demand of up to 30 kW, and it stabilizes the link circuit at 300 VDC for consistent voltage across the servo inverters. A dedicated 24 V output can supply control electronics with up to 8 A, while a separate 500 VA auxiliary tap is available for contactors and relays. Regenerated energy is absorbed by an internal bleeder resistor rated at 2 kW continuously, and short return-energy bursts of up to 60 kWs can be handled before an overvoltage fault occurs. The module also adds 150 W of heat to the cabinet, and its forced-air cooling channels consume 15 VA during operation.
During rapid deceleration, the short-term bleeder capacity reaches 40 kW, so kinetic energy from several axes can be dissipated without external brake units. The intermediate circuit can tolerate surge currents up to 300 A for 300 ms, which helps cover simultaneous motor starts or dynamic torque peaks. Reliable operation is permitted at ambient temperatures up to 55 °C and at mounting altitudes up to 1000 m, provided cabinet airflow removes the external heat loss of 2000 W. The housing weighs 21 kg and occupies a single book-sized slot inside the rack, which helps fit the module into compact multi-axis enclosures.
