KDS1.1-150-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat KDS1.1-150-W1 is a servo-drive module from the KDS Servo Drive Modules series with a continuous current of 96 Amps and a continuous power rating of 45 kW. It uses a mounted fan cooling method, features a DC link voltage of 300 VDC, and has a peak current of 150 Amps. The module weighs 15.4 kg and measures 390 mm in height, 150 mm in width, and 185 mm in depth with the fan shell.
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Product Description:
The KDS1.1-150-W1 is a servo-drive module manufactured by Bosch Rexroth Indramat within the KDS Servo Drive Modules series. As a drive module, it supplies regulated DC power and current shaping for attached digital servo amplifiers, enabling precise motor control in automated machinery, transfer lines, and packaging systems. By converting the plant’s three-phase mains into a stabilized intermediate circuit, the unit forms the electrical backbone of a multi-axis drive rack and coordinates dynamic load changes across all connected axes.
During continuous operation, the module can deliver 96 A of regulated bus current, establishing its long-term thermal limit for motor excitation. For short accelerations, it accepts load surges up to 150 A, allowing drives to overcome inertial peaks without tripping. A sustained output capability of 45 kW indicates the maximum electrical power that can be transferred to attached inverters. The intermediate circuit is held at 300 VDC, a voltage level chosen to balance energy storage, switching losses, and insulation stress. Internal dissipation of 160 W represents heat that must be removed from semiconductor devices, while an additional 430 W of external power loss arises in series components such as filter chokes and bus bars.
Heat from those losses is extracted by a mounted fan (LE4) that directs airflow across the heat sink and through the 185 mm deep fan shell. The housing stands 390 mm tall, spans 150 mm in width, and weighs 15.4 kg, dimensions that fit standard Indramat drive cabinets without additional structural support. With an IP10 rating, live parts are guarded against accidental finger contact while remaining open to the forced-air path. Insulation category C and humidity class F qualify the circuitry for installation up to the specified 1,000 m mounting altitude in production halls where ambient moisture and temperature fluctuate yet remain within typical control-panel limits.
Frequently Asked Questions about KDS1.1-150-W1:
Q: What is the continuous current rating for the KDS1.1-150-W1 drive module?
A: The KDS1.1-150-W1 servo drive module can deliver a continuous current of 96 A.
Q: What is the peak current capability of the KDS1.1-150-W1 drive module?
A: This drive module supports a peak current output of 150 A.
Q: What cooling method is used in the KDS1.1-150-W1 servo drive module?
A: Cooling for the KDS1.1-150-W1 is handled by a mounted fan designated as LE4.
Q: How much continuous power can the KDS1.1-150-W1 provide?
A: The KDS1.1-150-W1 is rated to handle up to 45 kW of continuous power.
Q: What is the IP protection rating of the KDS1.1-150-W1 module?
A: The drive module has an IP10 rating, providing limited ingress protection.
