DDC01.1-K050B-DA12-01-FW Bosch Rexroth Indramat
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The DDC01.1-K050B-DA12-01-FW is a digital intelligent servo drive from Bosch Rexroth Indramat, part of the DDC Digital Intelligent Servo Drives series. The drive features an analog interface command module, supports a continuous current of 25 Amps, and has a peak current of 50 Amps. It has an IP65 protection category with natural convection air cooling and a continuous mechanical load capacity of 4 kW.
Internal Product Review
The DDC01.1-K050B-DA12-01-FW is a Bosch Rexroth Indramat digital intelligent servo drive with an analog interface and IP65 protection. Natural convection cooling and a 50 A rated current support dependable operation in demanding motion-control applications. The 8 kHz PWM frequency makes the drive an excellent choice for precise servo performance.
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Product Description:
The DDC01.1-K050B-DA12-01-FW belongs to the DDC Digital Intelligent Servo Drives series from Bosch Rexroth Indramat. This drive is part of the manufacturer’s closed-loop motion platform and functions as a power stage between the mains supply and a servomotor. Its role in industrial automation is to supply variable voltage and frequency while processing motor feedback so machines can perform coordinated positioning, speed control, and energy recovery tasks.
During continuous duty, the drive delivers 25 A of output current, which indicates the thermal and magnetic load the connected motor can sustain without derating. To support this current, the supply section must provide 6 kVA, which helps the upstream power source meet the drive’s demand under normal operation. The housing carries an IP65 protection rating, so the electronics remain sealed against dust and low-pressure water jets. A carrier frequency of 8 kHz governs the PWM stage and influences acoustic noise as well as current ripple. For rapid acceleration or brief load peaks, the inverter can source up to 50 A, allowing short-term torque demand above the continuous level. These electrical characteristics are accompanied by 500 W of power loss that must be removed through the metal chassis.
The command section uses an analog interface, letting the controller accept ±10 V velocity or torque references from legacy PLC hardware. The drive supports motor power up to 4 kW, and its energy circuit returns excess kinetic energy to the DC bus. The internal resistor can absorb up to 5 kWs per braking event and can dissipate up to 10 kW briefly during regeneration. Cooling relies on natural convection, so no fans are required, and installation at heights up to 1000 m keeps the heat sink within its operating range. A separate 0.25 kW bleeder channel handles steady-state regeneration, while digital servo feedback maintains precise commutation without external encoders.
