TDM 1.2-50-300-W1-220 Bosch Rexroth Indramat
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MPN: R911219717
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The Bosch Rexroth Indramat TDM 1.2-50-300-W1-220 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 module provides 15 kW of continuous power, uses a built-in fan for cooling, and weighs 10 kilograms. It runs on a 300 V DC link voltage and has a protection rating of IP10.
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Product Description:
The TDM 1.2-50-300-W1-220 is a servo drive module manufactured by Bosch Rexroth Indramat for the TDM Servo Drive Modules series. It rectifies incoming three-phase AC, sustains a DC link, and generates phase-controlled outputs so connected motors follow velocity and position commands from higher-level controllers. This function makes the unit a core power interface for industrial axes in packaging equipment, machine tools, and material-handling stations where rapid and repeatable motion is required. It is suited to servo systems that need stable torque delivery during frequent starts, stops, and reversing cycles.
The drive’s continuous armature current is rated at 45 A, allowing it to deliver up to 15 kW of mechanical power without overheating. Inside the intermediate circuit, the voltage is held at 300 V, while application peaks can draw a momentary current of 50 A for acceleration events. This short-term current reserve helps the axis respond to brief load changes without immediately reducing commanded speed. Power that is turned into heat rather than motion totals 250 W, and this loss figure affects cabinet ventilation needs. For control electronics, the module sources 140 mA on the +15 V rail and 60 mA on the −15 V rail, supporting encoder supply and analog reference conditioning. With a mass of 10 kg, the housing can be mounted directly to panel sub-plates without additional reinforcement.
Thermal management relies on a built-in fan that draws 30 VA from a 220 V supply, ensuring airflow across heat-sink fins even when the main bus is disabled. This forced airflow helps move heat away from the power section and supports stable operation during extended duty cycles. The assembly operates at ambient temperatures up to 55 °C and maintains full ratings at installation heights not exceeding 1000 m above sea level. An IP10 protection class confirms that live parts are guarded against accidental contact, though the drive must be mounted in a closed electrical cabinet to exclude dust and liquid contaminants. Because the enclosure is open to the cabinet interior, surrounding panel protection remains necessary in dirty or wet environments.
Frequently Asked Questions about TDM 1.2-50-300-W1-220:
Q: What is the continuous output current rating for the TDM 1.2-50-300-W1-220 drive module?
A: The TDM 1.2-50-300-W1-220 servo drive module delivers a continuous output current of 45 A for sustained performance.
Q: What continuous power output does the TDM 1.2-50-300-W1-220 offer?
A: This servo drive module provides a continuous power output capacity of 15 kW.
Q: How is the TDM 1.2-50-300-W1-220 servo drive cooled during operation?
A: The TDM 1.2-50-300-W1-220 uses a built-in fan as its cooling method.
Q: What is the maximum ambient temperature allowed for the TDM 1.2-50-300-W1-220?
A: The module is rated for use in ambient temperatures up to 55 °C.
Q: What is the protection rating of the TDM 1.2-50-300-W1-220 servo drive?
A: The protection rating for this servo drive module is IP 10.
