KDS 1.3-150-300-WI Bosch Rexroth Indramat
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MPN: R911253924
The Bosch Rexroth Indramat KDS 1.3-150-300-WI is a servo-drive module in the KDS Servo Drive Modules series. It offers a power output of 45 kW, a rated current of 150 Amps, and operates with a link circuit DC voltage of 300 V. This unit weighs 15.4 kilograms.
Internal Product Review
The KDS 1.3-150-300-WI is a well-engineered servo-drive module from Bosch Rexroth Indramat for demanding motion-control service. A 150 A rated current paired with 45 kW power output gives the module strong drive capability and dependable response under high-load conditions. The 300 V link circuit supports consistent energy delivery, a strong advantage for servo systems.
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Product Description:
The KDS 1.3-150-300-WI is a servo-drive module manufactured by Bosch Rexroth Indramat for the KDS Servo Drive Modules series. Installed in a shared DC-bus rack, the unit converts incoming three-phase power into a controlled intermediate voltage and distributes that energy to multiple servo amplifiers. By serving as the central power source, it supports coordinated motion across several axes so robots, gantries, and packaging machines can accelerate, decelerate, and hold position with closed-loop precision. This layout lets several amplifiers draw from one common energy source instead of relying on separate supply sections for each axis.
Its DC link is set at 300 V DC, providing a stable energy buffer for the drive rack, and the module remains operational within a plus-or-minus 15 percent window during moderate line fluctuations. During rapid acceleration events, the power stage can deliver a peak phase current of 150 A to downstream inverters, supporting short-term torque demand without nuisance trips. The device supports a continuous electrical throughput of 45 kW, which suits mid-range spindle and axis groups. The buffered link helps stabilize power delivery when several connected axes change speed at the same time. The unit is listed as Model 3 in the KDS family.
The module has a mass of 15.4 kg, allowing direct mounting on a backplane in standard control cabinets. Its construction is coded as Series 1, indicating compatibility with first-generation KDS cooling plates and bus connectors. The unit is a servo-drive module that interfaces with braking choppers, contactors, and energy-sharing capacitors through the rack header, which helps keep system wiring orderly. Backplane installation also keeps electrical connections aligned with the rack structure for shared power distribution and coordinated multi-axis operation.
