DKS01.2-W100A-DS50-01-FW Bosch Rexroth Indramat
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MPN: R911281289
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The Bosch Rexroth Indramat DKS01.2-W100A-DS50-01-FW is a digital servo drive from the DKS Intelligent Digital Servo Drives series. It has a rated continuous current of 50 Amps, a peak current of 100 Amps, and operates with a DC bus voltage of 300 V DC. The unit features a 230 V AC 3-phase input, heat dissipation cooling, and weighs 11 kilograms.
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Product Description:
The DKS01.2-W100A-DS50-01-FW is a servo drive produced by Bosch Rexroth Indramat for the DKS Intelligent Digital Servo Drives series. It converts three-phase mains power into a controlled DC link and modulated output that regulates torque and speed in industrial automation axes. Inside a compact, IP10-rated housing, the unit integrates drive electronics, bleeder circuitry, and protection functions so it can be mounted in a control cabinet and paired with compatible Rexroth servo motors. This arrangement supports closed-loop motion control for positioning tasks, speed regulation, and repeatable machine movement in automated systems.
This drive accepts an input of 230 V AC (3-phase), which is rectified to a DC bus level of 300 V DC for energy storage and regeneration. Under continuous operation, it supplies up to 50 A of line current, while brief acceleration or braking events can draw a peak of 100 A without exceeding device limits. Pulse-width modulation is executed at 4 kHz, a switching rate that balances current ripple with thermal loss to protect connected motor windings. Heat is removed through natural dissipation surfaces that couple to cabinet airflow rather than forced fan cooling. A humidity classification of Class F protects internal components in environments with up to 90% relative humidity, and the noise emission level is standard for typical factory use. These operating characteristics allow the drive to support steady motor control while remaining suitable for enclosed cabinet installation.
Excess kinetic energy is dissipated by an internal bleeder resistor that can handle 0.5 kW continuously and absorb surge energy up to 18 kW for short intervals. During normal service, the electronics generate no more than 480 W of power loss, which is useful when planning cabinet cooling capacity. Operation is permitted at ambient temperatures up to 55 °C and elevations up to 1000 m, and the assembly weighs 11 kg. The unit uses standard heat paths instead of forced fans, which helps keep the cooling layout straightforward inside the control cabinet.
Frequently Asked Questions about DKS01.2-W100A-DS50-01-FW:
Q: What is the required input voltage for the DKS01.2-W100A-DS50-01-FW servo drive?
A: The DKS01.2-W100A-DS50-01-FW digital servo drive is designed for a rated input voltage of 230 V AC in a 3-phase configuration.
Q: What is the rated current for the DKS01.2-W100A-DS50-01-FW drive?
A: This model handles a rated current of 100A, making it suitable for applications with high current demands.
Q: What is the maximum ambient temperature rating for the DKS01.2-W100A-DS50-01-FW?
A: The DKS01.2-W100A-DS50-01-FW can operate at ambient temperatures up to 45 °C continuously, with a maximum of 55 °C.
Q: What are the continuous and peak bleeder power ratings for the DKS01.2-W100A-DS50-01-FW?
A: Continuous bleeder power for this drive is 0.5 kW, with a peak capacity of 18 kW.
Q: What level of protection does the DKS01.2-W100A-DS50-01-FW provide according to its IP rating?
A: With an IP10 protection class, the DKS01.2-W100A-DS50-01-FW is protected against solid objects larger than 50 mm but does not offer water protection.
