KDS1.1-150-300-W1-220/S104 Bosch Rexroth Indramat
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MPN: R911236686
The Bosch Rexroth Indramat KDS1.1-150-300-W1-220/S104 is a servo-drive module from the KDS Servo Drive Modules series. It delivers a continuous current of 96 Amps and peak current of 150 Amps with a continuous power rating of 45 kilowatts. The module features a 300 Volt DC link voltage, a mounted fan cooling method, and weighs 15.4 kilograms.
Internal Product Review
The KDS1.1-150-300-W1-220/S104 is a Bosch Rexroth Indramat servo-drive module rated for 96 A continuous current. Cold-running thermal design and a mounted fan support stable operation in demanding cabinet installations. A 150 A peak current gives the module strong dynamic capability, making the unit an excellent choice for high-load servo applications.
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Product Description:
The KDS1.1-150-300-W1-220/S104 is a servo drive module manufactured by Bosch Rexroth Indramat for the KDS Servo Drive Modules series. Installed in multi-axis control cabinets, the module converts a shared DC bus into regulated three-phase power for synchronous and induction servo motors used in material-handling, packaging, and machining cells. It functions as a scalable building block when several axes need coordinated motion while drawing energy from the same supply. This layout supports centralized power distribution and allows different axes in the same cabinet to operate from a common energy source.
Its continuous output capability is 96 A, allowing the unit to feed large-frame motors without derating. A peak channel limit of 150 A supports acceleration and short-term overloads during demanding motion profiles. The internal DC link is held at 300 V, so regenerated energy from braking axes can be redistributed across the rack instead of being confined to one module. With a continuous power handling capacity of 45 kW, the drive is suitable for high-torque spindles and long-stroke linear motors. Cooling is provided by a mounted fan (LE4) fixed to the heat sink, and the airflow is directed across the fins rather than through the electronics chamber.
Total heat dissipation is split between an external loss of 430 W on the radiator surface and an internal loss of 160 W inside the control section, and these values are used when planning cabinet ventilation. The fan operates from a dedicated AC 220 V supply and maintains airflow up to a maximum ambient temperature of 55 °C at a mounting altitude of 1000 m. Protection is limited to IP10, so the unit must be installed in a clean enclosure and kept within Humidity Class F. The module weighs 15.4 kg, which helps when it is mounted on slide rails or vertical cabinet panels.
