MST360D-0012-FH-N0KR-NNNN Bosch Rexroth Indramat
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MPN: R911330528
The Bosch Rexroth Indramat MST360D-0012-FH-N0KR-NNNN is part of the MST Synchronous Torque Motors series and uses liquid cooling with a cooling jacket in the housing. The motor delivers a maximum torque of 1150 Nm and a rated power of 6.30 kW, with a rated speed of 115 min⁻¹. It is equipped with a right-side terminal box, has a rated current of 15.7 A, and the winding resistance at 20 C is 5.4 Ohm.
Internal Product Review
The MST360D-0012-FH-N0KR-NNNN is a Bosch Rexroth synchronous torque motor with liquid cooling and a cooling jacket integrated into the housing. Rated torque of 525 Nm and maximum torque of 1150 Nm give this unit excellent low-speed torque density for demanding direct-drive axes. Rated power of 6.30 kW makes this motor a strong choice for precise, high-performance torque applications.
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Product Description:
The MST360D-0012-FH-N0KR-NNNN is a direct-drive torque motor produced by Bosch Rexroth Indramat for the MST Synchronous Torque Motors series. This frameless unit mounts directly to the load so it can generate high torque at low rotational speed without belts or gearboxes. In industrial automation settings it functions as the prime mover for rotary positioning tables, winders, and indexing fixtures where precise angular control, high stiffness, and compact axial length are critical system requirements.
It is built for continuous duty at a rated torque of 525 Nm; together with the rated speed of 115 min⁻¹ this produces a mechanical output of 6.30 kW that suits steadily loaded process axes. When rapid indexing or start-up surges occur, the electromagnetic stack can supply up to 1150 Nm without thermal derating. Heat generated during these peaks is removed by Liquid Cooling; a coolant stream travels through a 0.39 l duct that forms a jacket inside the housing, an arrangement referenced as encapsulation with a cooling jacket in housing. The right-side terminal box simplifies cable entry and accepts three-phase supply leads with a 2.5 mm² power-wire cross-section, keeping conductor losses low during full-load operation.
From the drive controller’s perspective the windings draw a peak phase current of 39.8 A while transient torque is commanded, and stabilize at 15.7 A at the nominal operating point. The electromagnetic conversion is linear, with a torque constant of 33.33 Nm/A, allowing the control loop to predict load behavior from current feedback alone. Response time is influenced by a winding inductance of 46.2 mH and a cold resistance of 5.4 Ω, factors that shape current rise and copper losses. Back-EMF grows proportionally to speed, following a voltage constant of 2.043 V per min⁻¹, so the selected inverter must provide sufficient DC link voltage for the 39-pole stator.
