DDC01.1-K050A-DS53-00-FW Bosch Rexroth Indramat
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The Bosch Rexroth Indramat DDC01.1-K050A-DS53-00-FW is part of the DDC Digital Intelligent Servo Drives series. This servo drive has a rated current of 50 Amps, operates at a supply voltage of 3 x 230 V AC, and has an IP65 protection category. It features a SERCOS interface command module and uses natural air convection for cooling.
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Product Description:
The DDC01.1-K050A-DS53-00-FW is produced by Bosch Rexroth Indramat and belongs to the DDC Digital Intelligent Servo Drives series. This closed-loop amplifier delivers regulated power to synchronous servomotors used in material-handling systems, packaging lines, and other factory automation axes. Its current regulation supports accurate torque, velocity, and position control based on references received from a higher-level controller. The power electronics convert the three-phase supply into controlled motor current, while integrated brake control and network communication reduce the amount of external equipment required for coordinated motion.
The converter accepts a three-phase input of 3 × 230 V AC, and its output channel supplies 50 A of continuous motor current. This current rating must be considered when selecting conductors, protective devices, and a compatible servomotor. Real-time control data travel through the integrated SERCOS interface, allowing multiple axes to exchange synchronized commands over a fiber-optic ring. The IP65 housing protects the electronics against dust and low-pressure water jets, allowing the drive to be mounted on a machine frame without an additional protective cabinet when installation conditions are suitable. Internal protection trips the unit at 1.5 times the rated current to prevent damage to the power semiconductors. The unit also responds when the DC-bus voltage rises above 475 V, helping protect its internal insulation and electronic components during excessive voltage conditions.
Thermal management relies on natural air convection, which removes heat without forced fans and reduces the number of moving service components. The installation must provide adequate clearance around the heat sink so warm air can rise freely and cooler air can enter below the unit. The brake control circuitry closes the holding brake within 0.4 seconds and only when shaft speed is below 10 rpm, reducing mechanical shock during controlled stops. If the heat sink exceeds its temperature threshold, power remains enabled for 30 seconds before an orderly shutdown, giving the axis time to decelerate. Digital servo feedback from the motor supplies position and velocity information to the controller for closed-loop regulation. The standard noise emission profile limits acoustic output during operation in industrial production environments.
