The R911309925 (MHD093C-024-PG0-AA), a component of the MHD synchronous motors series, is a highly efficient product manufactured by the globally recognized company, Bosch Rexroth Indramat. This model combines an electrical commutation mechanism with high repeat frequencies, allowing for seamless start-stop operations. Designed for maintaining a consistent speed of 2000 rpm, the R911309925 (MHD093C-024-PG0-AA) produces a constant torque of 1.79 Nm/A and has a winding resistance of 1.16 Ohms. It operates at a steady voltage of 320 – 339 V, generating rated power between 2.7 to 4.4 kW in natural cooling mode, and 6.7 kW in surface cooling mode. Equipped with 4 pole pairs, the R911309925 (MHD093C-024-PG0-AA) model utilizes natural convection to manage its temperature. In more demanding conditions, a radial/axial blower is added for additional surface cooling. Its maximum rated current span is 4.9 – 12.1 A, and it operates at a system frequency of 133 Hz. The motor has a voltage constant of 156 V/1000 rpm and can function in a temperature range of 0 to +40 degrees Celsius without degrading its performance. The model features a DSF with an integrated multiturn absolute encoder for advanced shaft position detection, and an A-side power connector placed at the top of the motor.
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