KDS 1.1-150-300-W1-220 Bosch Rexroth Indramat
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MPN: R911234608
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The Bosch Rexroth Indramat KDS 1.1-150-300-W1-220 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 a peak current of 150 Amps. The module uses forced ventilation for cooling and has a weight of 15.4 kilograms.
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Product Description:
The KDS 1.1-150-300-W1-220 is a servo-drive module produced by Bosch Rexroth Indramat within the KDS Servo Drive Modules series. It interfaces with a common DC link and converts bus energy into controlled three-phase power for synchronous or induction servo motors used in industrial automation. This arrangement allows several axes to operate from the same DC bus in coordinated machinery. The unit is built as Version 1 for cabinet installation, and its IP10 enclosure helps keep large objects from entering while the open vent design allows cooling air to pass through the housing.
The drive can deliver a mechanical power output of 45 kW. Both peak and rated output current reach 150 A, while the continuous current that can be sustained thermally is 96 A. It operates from a shared DC link of 300 V (+/-15%), so the supply must remain within that range for stable operation. Cooling is provided by forced ventilation in the W1 layout, which routes air through the heat sink toward an external LE4 blower. During operation, the module dissipates 160 W internally and another 430 W in external components, so these losses must be removed by the cabinet airflow path. The signal electronics draw 50 mA from -15 V, 140 mA from +15 V, and 1.95 A from +24 V supplied by the controller rack.
The LE4 blower operates from AC 220 V, 50–60 Hz utility power. With proper airflow, the module can be installed up to 1000 m above sea level without derating, provided the ambient temperature remains between +5 °C and +45 °C. The blower-assisted design supports cabinet layouts where natural convection alone would not remove heat quickly enough. The unit weighs 15.4 kg, which is moderate for a cabinet-mounted servo drive of this output level. Its insulation uses class C materials, and the module is part of Series 1.
Frequently Asked Questions about KDS 1.1-150-300-W1-220:
Q: What is the continuous current rating for the KDS 1.1-150-300-W1-220 servo drive?
A: The KDS 1.1-150-300-W1-220 servo drive supports a continuous current of 96 A.
Q: What type of cooling method does the KDS 1.1-150-300-W1-220 use?
A: This model uses forced ventilation for cooling, featuring an external fan unit designated as LE4.
Q: What is the peak current specification of the KDS 1.1-150-300-W1-220 servo drive?
A: The peak current for this servo drive is rated at 150 A.
Q: What is the power output rating for the KDS 1.1-150-300-W1-220 model?
A: The power output of the KDS 1.1-150-300-W1-220 is 45 kW.
Q: What is the allowed operating temperature range for the KDS 1.1-150-300-W1-220 servo drive?
A: The permissible ambient temperature for operation is between +5°C and +45°C.
