MST450D-0006-FT-N0CN-D303 Bosch Rexroth Indramat
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MPN: R911403683
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The Bosch Rexroth Indramat MST450D-0006-FT-N0CN-D303 motor is part of the MST Synchronous Torque Motors series and features liquid cooling with thermal encapsulation. It provides a rated torque of 810 Nm at 60 rpm and a rated power of 5.1 kW, with a maximum torque output of 1800 Nm. The motor has a maximum current of 50 Amps and a stator mass of 38.7 kg.
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Product Description:
The MST450D-0006-FT-N0CN-D303 belongs to the MST Synchronous Torque Motors series produced by Bosch Rexroth Indramat. It is a frameless stator section intended for direct-drive rotary tables, extruders, or winders where slow, high-torque rotation replaces gearbox solutions. A liquid-cooled housing removes heat through an external coolant circuit, and thermal encapsulation helps keep winding temperature stable during continuous operation. Axial power and sensor leads exit on the large outside-diameter face, which can simplify cable routing in hollow-shaft installations. Because the motor is supplied without an encoder, closed-loop operation requires an external measuring system for position feedback.
Under nominal operating conditions, the motor reaches 60 rpm while delivering a continuous torque of 810 Nm. At that operating point, it converts electrical input to mechanical output at 5.1 kW. The electrical supply needed to sustain this load is 18.8 A RMS on the power leads, and the copper coils present an inductance of 31 mH. These electrical values affect current rise time and the voltage required from the drive inverter. The rated operating point is chosen so that copper loss, iron loss, and liquid-cooling capacity remain balanced during uninterrupted duty. This operating behavior suits applications that need steady torque at low speed without a mechanical transmission stage.
For short accelerations or load spikes, the torque rises to 1800 Nm and the phase current may climb to 50 A. During such overloads, the cooling jacket can dissipate up to 4.00 kW of heat to help keep internal temperatures within acceptable limits. The stator section weighs 38.7 kg, which adds thermal mass and mechanical stiffness while still allowing integration into rotating machinery supported by large-bore bearings. Required power wiring is 2.5 mm² to meet ampacity and voltage-drop needs, and the 3.95 Ω winding resistance affects the drive-side voltage needed for the commanded load. These characteristics make the motor suitable for direct-drive systems that must handle both continuous torque and brief overload demand.
Frequently Asked Questions about MST450D-0006-FT-N0CN-D303:
Q: Where is the cable exit positioned on the MST450D-0006-FT-N0CN-D303 motor?
A: The MST450D-0006-FT-N0CN-D303 is equipped with axial cable exit located on the large outer diameter side.
Q: What type of cooling system does the MST450D-0006-FT-N0CN-D303 use?
A: Liquid-cooling is used for this model to efficiently manage operating temperatures during high loads.
Q: What is the maximum torque output of the MST450D-0006-FT-N0CN-D303?
A: This motor is capable of producing a maximum torque of 1800 Nm, supporting demanding industrial applications.
Q: What is the rated current of the MST450D-0006-FT-N0CN-D303 torque motor?
A: The rated current for this motor is 18.8 A, which should be considered when selecting system components.
Q: Does the MST450D-0006-FT-N0CN-D303 come with a motor encoder?
A: No motor encoder is included on the MST450D-0006-FT-N0CN-D303.
