KDS1.1-050-3-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat KDS1.1-050-3-W1 is a servo-drive module from the KDS Servo Drive Modules series and supports a continuous current of 50 Amps with a continuous power output of 15 kW. It features forced ventilation cooling and has a protection rating of IP10. The module weighs 14.4 kilograms and can operate at a mounting altitude of up to 1000 meters.
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Product Description:
The KDS1.1-050-3-W1 is a servo drive module produced by Bosch Rexroth Indramat for the KDS Servo Drive Modules series. In an automation rack, it links the DC bus to individual servo inverters, supplies regulated control voltages, and carries the enable logic that ensures connected motors start and stop in a predictable manner. By integrating power conversion with signal distribution, the unit simplifies cabinet wiring and shortens response times between the motion controller and the drive axes. It is intended for rack-based motion systems where centralized power distribution and coordinated axis control are required.
The module draws separate logic supplies of 950 mA at +24 V and 140 mA at +15 V, while the −15 V rail requires only 50 mA, so the control electronics impose a modest load on the auxiliary supply. Motor power is delivered with a continuous rated current of 50 A, supporting a mechanical output of 15 kW when the DC link is held at 300 V (±15%). A built-in enable-off delay of 300 ms keeps the bus energized briefly after a stop command, so the inverter can dissipate stored energy before the main contactor drops out. Insulation category C spacing is maintained throughout the power section to handle the link voltage safely at the specified altitude of 1000 m.
Forced-ventilation cooling channels the exhaust air away from heat-sensitive control cards, helping to limit external power loss to 220 W and internal losses to 85 W under full load. The housing weighs 14.4 kg and is protected to IP10, making it suitable for mounting inside a closed control cabinet where accidental contact is limited and airflow remains unobstructed. Additional terminals provide an X25 +24 V output of 50 mA for low-power sensor connections, and the enable logic helps the module ride through brief power interruptions without an abrupt control drop. The extra sensor output can support low-demand status devices that need a local auxiliary feed.
Frequently Asked Questions about KDS1.1-050-3-W1:
Q: What is the continuous current capability of the KDS1.1-050-3-W1 module?
A: The KDS1.1-050-3-W1 servo drive module has a continuous current rating of 50 A.
Q: What is the continuous power output of the KDS1.1-050-3-W1?
A: The continuous power output for this servo drive module is 15 kW.
Q: How is the KDS1.1-050-3-W1 servo drive module cooled?
A: This module uses forced ventilation for cooling during operation.
Q: What is the link circuit DC voltage specification for the KDS1.1-050-3-W1?
A: The link circuit DC voltage requirement for this module is 300 V with a tolerance of ±15%.
Q: What is the enable-off delay time for the KDS1.1-050-3-W1 module?
A: The enable-off delay for the KDS1.1-050-3-W1 is 300 ms, affecting how long it takes to transition after disabling.
