TDM 1.2-50-300-W1-115V Bosch Rexroth Indramat
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MPN: R911222233
The Bosch Rexroth Indramat TDM 1.2-50-300-W1-115V is part of the TDM Servo Drive Modules series and features a continuous current of 45 Amps with a peak current of 50 Amps. This 10 kilogram servo drive delivers 15 kW of continuous power and uses a built-in fan for cooling, operating at a fan voltage of 115 VAC and a frequency of 50-60 Hz.
Internal Product Review
The TDM 1.2-50-300-W1-115V is a Bosch Rexroth Indramat servo drive module well suited for demanding motion-control service. Continuous output of 15 kW with 45 A continuous current gives the module strong sustained drive capability. Built-in fan cooling and a 300 VDC link circuit make this unit a highly capable choice for stable servo performance.
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Product Description:
The TDM 1.2-50-300-W1-115V is a servo drive module from the TDM Servo Drive Modules series manufactured by Bosch Rexroth Indramat. Designed to interface between an industrial controller and a three-phase motor, the module converts fixed mains power into a regulated DC link and modulated output current so rotary axes can be positioned or speed-controlled under closed-loop feedback. Its purpose in automation is to furnish the precise torque and velocity demanded by packaging, printing, and material-handling machinery while embedding protective and diagnostic functions inside the cabinet.
At the heart of the module, a continuous output current of 45 A supports motors that require sustained electromagnetic torque, while a thermal reserve allows a short-term peak of 50 A for acceleration or load steps. When loaded at that continuous current, the drive can deliver up to 15 kW of mechanical power to the shaft. Energy is drawn from a DC link bus stabilized at 300 VDC (with a ±15 % window) so multiple axes can share a common supply. Internal losses at the rated point are held to 250 W, and a built-in fan driven from a 115 VAC, 50–60 Hz auxiliary supply moves cooling air through the heatsink; the fan consumes 30 VA and keeps semiconductor junctions within safe limits at ambient temperatures between +5 °C and +45 °C.
Installation parameters define the safe operating envelope. The unit maintains specified performance up to an ambient of 55 °C provided cabinet airflow is unobstructed. It may be mounted at heights up to 1000 m above sea level without derating, enabling use in most plant locations. The housing carries an IP10 rating, indicating finger protection for live parts but requiring enclosure mounting for dust or fluid exposure. With a mass of 10 kg, the drive can be handled by one technician and fits on DIN rails or rear panels without excessive structural reinforcement.
