MST530C-0010-FT-N0SN-NNNN Bosch Rexroth Indramat
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MPN: R911324221
The Bosch Rexroth Indramat MST530C-0010-FT-N0SN-NNNN is part of the MST Synchronous Torque Motors series and has a liquid cooling mode and thermal encapsulation. It features a rated torque of 1200 Nm, a maximum torque of 2700 Nm, and a rated power of 12.60 kW. The motor operates at a rated speed of 100 revolutions per minute and has a stator mass of 45 kg.
Internal Product Review
The MST530C-0010-FT-N0SN-NNNN is a Bosch Rexroth Indramat synchronous torque motor with liquid cooling and thermal encapsulation. Rated output is well balanced at 1200.0 Nm torque and 12.60 kW power, making the unit especially attractive for demanding direct-drive applications. Peak capability up to 2700.0 Nm highlights excellent torque reserve.
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Product Description:
The MST530C-0010-FT-N0SN-NNNN is a direct-drive torque motor produced by Bosch Rexroth Indramat within the MST Synchronous Torque Motors series. It is intended to deliver large continuous torque at very low rotational speeds so rotary tables, extrusion screws, or printing cylinders can be driven without gear reduction. In an automation cell, the motor replaces mechanical transmissions, reduces backlash, and allows precise force control because the stator’s three-phase windings interact directly with a permanent-magnet rotor. This direct-drive arrangement also removes coupling elements that can add wear, compliance, or positioning error in slow-speed applications.
Under steady operation, the motor develops a 1200.0 Nm rated torque while turning at 100 rpm, giving a mechanical output of 12.60 kW. With a torque constant of 38.50 Nm/A, the drive amplifier needs only a moderate current increase to reach working torque, which helps the axis respond smoothly to load changes. Liquid cooling is integrated into the stator housing so copper losses are removed close to the windings, and the thermal encapsulation fills internal gaps to guide heat toward the coolant channels. Electrical leads exit at the stator end with a small outside-diameter connection, reducing bending moment on the cables. The stator assembly weighs 45.0 kg, and its 1.9 Ω phase resistance helps limit idle losses.
For intermittent peaks, the drive can supply 2700.0 Nm, provided the inverter delivers up to 88.0 A of phase current; continuous production is supported by a rated current of 31.2 A. The design has no encoder, so external position feedback is required if closed-loop commutation or precise axis positioning is needed. A back electromotive force of 2.810 V/rpm links mechanical speed to line voltage, and the stator inductance of 23 mH helps smooth current ripple at low frequencies. The resulting electrical behavior supports stable regulation during start-up and rapid torque reversals, especially in applications that spend long periods at low speed.
