MST450D-0012-FT-N0RN-NNNN Bosch Rexroth Indramat
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MPN: R911318439
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The Bosch Rexroth Indramat MST450D-0012-FT-N0RN-NNNN is part of the MST Synchronous Torque Motors series and delivers a rated power of 16.10 kW with a rated speed of 190 min⁻¹. It provides a maximum torque of 2075 Nm and a rated torque of 810 Nm, while using an aluminum cooling jacket for encapsulation. The motor has a rated current of 31.0 A and a torque constant of 26.29 Nm/A, with a stator mass of 38.7 kg.
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Product Description:
The MST450D-0012-FT-N0RN-NNNN is a torque motor stator produced by Bosch Rexroth Indramat for the MST Synchronous Torque Motors series. As a direct-drive element, this model supplies high continuous torque at very low rotational speed. It is suitable for indexing tables, extruders, and similar automation stages that benefit from gearless transmission. This layout reduces the need for intermediate gear stages and supports smooth motion in compact rotary assemblies.
Under steady operation, the stator delivers a rated torque of 810 Nm while maintaining a shaft speed of 190 rpm. At that operating point, it produces a rated output of 16.10 kW and requires a phase current of 31.0 A, so the cabling must accommodate 6.0 mm² power conductors. During rapid acceleration or heavy load steps, the windings can be driven up to a maximum of 2075 Nm with a corresponding pulse current of 100.0 A, so the connected inverter must tolerate this peak demand. The aluminum cooling jacket removes heat from the laminated core during continuous duty, and the stator mass of 38.7 kg adds thermal buffering. A radial, large-diameter cable outlet simplifies routing inside rotary platforms, while a winding resistance of 1.4 Ω influences voltage drop and drive sizing.
The electromagnetic behavior is characterized by a torque constant of 26.29 Nm/A, so each ampere of phase current produces a predictable amount of torque. A back-EMF constant of 1.455 V/rpm assists the controller in estimating speed because this variant is supplied without an encoder. The 24-slot coil set carries an inductance of 11.2 mH, which shapes current ripple and helps the drive reject switching harmonics during operation. If direct position measurement is required, the axis must use a separate feedback device.
Frequently Asked Questions about MST450D-0012-FT-N0RN-NNNN:
Q: What type of electrical connection is provided on the MST450D-0012-FT-N0RN-NNNN torque motor?
A: The MST450D-0012-FT-N0RN-NNNN utilizes a radial cable with a large outer diameter for its electrical connection.
Q: What type of encapsulation does the MST450D-0012-FT-N0RN-NNNN use?
A: This model is equipped with an aluminum cooling jacket for encapsulation, aiding in efficient thermal management.
Q: Does the MST450D-0012-FT-N0RN-NNNN torque motor come with an encoder?
A: The MST450D-0012-FT-N0RN-NNNN operates without an encoder, so no position feedback is included on this unit.
Q: What is the maximum current supported by the MST450D-0012-FT-N0RN-NNNN?
A: This torque motor has a maximum current rating of 100.0 A, supporting high-torque applications.
Q: What is the rated torque output of the MST450D-0012-FT-N0RN-NNNN torque motor?
A: The rated torque output for the MST450D-0012-FT-N0RN-NNNN is 810 Nm, allowing significant force delivery for demanding tasks.
