DKS1.1-W050A-D Bosch Rexroth Indramat
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MPN: R911310560
The Bosch Rexroth Indramat DKS1.1-W050A-D is a digital servo drive from the DKS Intelligent Digital Servo Drives series. It supports a 3-phase input voltage of 230 V AC and operates with a rated current of 50 A. This drive has a continuous current of 25 A, a DC bus voltage of 300 V DC, and features an IP10 protection class.
Internal Product Review
The DKS1.1-W050A-D digital servo drive is well suited for 3-phase 230 V AC systems. Support for MDD motors and a DSF encoder gives this unit strong integration value in established motion platforms. A 50 A rated current stands out as a key performance advantage for demanding servo applications.
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Product Description:
The DKS1.1-W050A-D servo drive is manufactured by Bosch Rexroth Indramat and belongs to the DKS Intelligent Digital Servo Drives series. It is a digital servo drive intended to operate MDD brushless motors used in industrial automation, where stable current control is required for repeatable axis motion. The device converts three-phase mains power, modulates it through an internal power stage, and communicates with motion controllers via a DSF encoder channel to maintain precise torque and velocity. Its role is to supply power and closed-loop regulation for motion tasks such as pick-and-place stations, gantry systems, and packaging lines in automated equipment.
Electrical interface parameters describe how the drive connects to plant power distribution and how the internal power section supports motor demand. It accepts 3 x 230 V AC and internally rectifies this feed to a link held at 300 V DC. For transient acceleration, the power stage can deliver a 50 A peak output, while the thermal design supports a continuous load of 25 A. Torque production is modulated by pulse-width switching at 4 kHz, a frequency that balances dynamic response with switching losses. The housing is rated IP10, so it must be mounted in a closed control cabinet.
Energy handling and operating limits affect installation choices inside the control cabinet. The internal bleeder dissipates regenerative energy with a continuous capacity of 0.35 kW and can absorb surges up to 9.4 kW during rapid deceleration. Overall system sizing must allow for a power requirement of 9.5 kVA, while normal conversion losses appear as about 305 W of heat that cabinet ventilation must remove. The enclosure occupies 170 × 355 × 260 mm, permitting high-density rack mounting. Safe operation is specified up to 55 °C ambient and 1000 m elevation without performance derating, which suits standard factory-floor conditions.
