TTR-4204-3070-E-05 Kollmorgen
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The Kollmorgen TTR-4204-3070-E-05 is part of the Inland Direct Drive Motors series and offers a continuous torque of 14.9 Nm with a maximum speed of 1400 rpm. This motor features a continuous current rating of 15.7 Amps, a peak current of 90 Amps, and uses tacho plus resolver feedback. It has a power rating of 2051 watts and a maximum terminal voltage of 140 volts.
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Product Description:
The TTR-4204-3070-E-05 is a permanent-magnet direct-drive motor built by Kollmorgen within the Inland Direct Drive Motors series. Engineered for tight coupling to the load, it is supplied as a frameless stator-and-rotor kit so the magnetic stack can be mounted directly in rotary tables, eliminating the need for belts or gearboxes. In industrial automation, the design supports precise velocity regulation and repeatable positioning while maintaining a compact envelope and low maintenance requirements.
During continuous duty, the motor delivers 14.9 Nm of torque while drawing 15.7 A from the drive. This operating point results from a torque constant of 0.949 Nm/A, which links stator current to mechanical output. Electrical behavior is characterized by a phase inductance of 2.68 mH and a DC winding resistance of 0.5 Ω; together, these values affect current rise time and steady-state copper losses. The back electromotive force constant is 99.4 V/krpm, indicating how much voltage the drive must supply to overcome the generated electromotive force at speed. Rotor position feedback is provided through a combined tachometer and resolver package, allowing both velocity and absolute angle information to support closed-loop control.
For transient moves, the motor tolerates 90 A of phase current and can generate 74.6 Nm of peak torque without demagnetization. The winding is insulated for terminal voltages up to 140 V, enabling operation with common 160 V DC-bus inverters while maintaining the rated electrical margin. Mechanical speed capability reaches 1400 rpm, which is the upper operating limit before centrifugal stresses increase. At that speed, the electromagnetic design supports a continuous power output of 2,051 W for moderate-inertia loads. The frameless configuration allows the surrounding machine structure to provide the housing, bearings, and thermal path required by the completed axis.
