KDS 1.3-150-300-W1/S104 Bosch Rexroth Indramat
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MPN: R911264898
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The Bosch Rexroth Indramat KDS 1.3-150-300-W1/S104 is part of the KDS Servo Drive Modules series and weighs 15.4 kilograms. This servo-drive module features a continuous current of 96 Amps and a peak current of 150 Amps, with forced ventilation cooling and a LE4 external fan unit. It operates with a link circuit DC voltage of 300 Volts and delivers a power output of 45 kilowatts.
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Product Description:
The KDS 1.3-150-300-W1/S104 is a servo-drive module produced by Bosch Rexroth Indramat for integration in the KDS Servo Drive Modules series. In multi-axis motion systems, this module converts the common DC link voltage into controlled stator currents for connected synchronous or induction motors, allowing coordinated positioning and speed regulation. It is intended for power sections installed inside control cabinets that also contain the related supply and command hardware. It is used in cabinet-based drive systems where several axes operate from the same electrical platform.
During continuous operation, the module can deliver a phase current of 96 A. This continuous rating marks the level at which the internal bus bars, gate drivers, and semiconductor devices can operate without exceeding thermal limits. Heat generated under those conditions is removed by forced ventilation, and the airflow is supplied by the dedicated LE4 fan assembly mounted at the rear of the unit. Rear-mounted airflow passes across heat-producing components so sustained load does not overwhelm the cooling path. The intermediate circuit accepts a link voltage of 300 V (± 15 %), allowing operation with supply converters whose rectified output may vary with mains conditions. For brief acceleration periods or load shocks, the inverter stage can supply a peak phase current of 150 A without triggering overcurrent shutdown.
In cabinets where drive sections share a common DC bus, the unit supports up to 45 kW of motor output at rated conditions. Mechanical considerations include a mass of 15.4 kg, which affects mounting support, rail loading, and handling during installation. The mass also affects how the enclosure back panel or mounting rails must support the module over time. Within the KDS family, this unit is classified under series 1 and corresponds to model 3, so its connector pinout and related design conventions follow that version of the platform.
Frequently Asked Questions about KDS 1.3-150-300-W1/S104:
Q: What is the continuous current rating of the KDS 1.3-150-300-W1/S104 servo drive module?
A: The KDS 1.3-150-300-W1/S104 offers a continuous current capacity of 96 A for demanding servo applications.
Q: What cooling method is used in the KDS 1.3-150-300-W1/S104 servo drive?
A: This module utilizes forced ventilation for cooling, providing efficient thermal management during operation.
Q: Which external fan unit is compatible with the KDS 1.3-150-300-W1/S104 drive?
A: The external fan unit for this model is designated as LE4.
Q: What is the acceptable link circuit DC voltage range for the KDS 1.3-150-300-W1/S104?
A: This servo drive module accepts a link circuit DC voltage of 300 V with a tolerance of plus or minus 15%.
Q: What is the maximum power output of the KDS 1.3-150-300-W1/S104 servo drive module?
A: The power output of the KDS 1.3-150-300-W1/S104 is rated at 45 kW.
